Water pollutants. Medical search

Substances or organisms which pollute the water or bodies of water. Use for water pollutants in general or those for which there is no specific heading.

Pollutants, present in water or bodies of water, which exhibit radioactivity.

A clear, odorless, tasteless liquid that is essential for most animal and plant life and is an excellent solvent for many substances. The chemical formula is hydrogen oxide (H2O). (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)

Any substance in the air which could, if present in high enough concentration, harm humans, animals, vegetation or material. Substances include GASES; PARTICULATE MATTER; and volatile ORGANIC CHEMICALS.

Chemical compounds which pollute the water of rivers, streams, lakes, the sea, reservoirs, or other bodies of water.

Substances or energies, for example heat or light, which when introduced into the air, water, or land threaten life or health of individuals or ECOSYSTEMS.

Means or process of supplying water (as for a community) usually including reservoirs, tunnels, and pipelines and often the watershed from which the water is ultimately drawn. (Webster, 3d ed)

Nitrogen oxide (NO2). A highly poisonous gas. Exposure produces inflammation of lungs that may only cause slight pain or pass unnoticed, but resulting edema several days later may cause death. (From Merck, 11th ed) It is a major atmospheric pollutant that is able to absorb UV light that does not reach the earth's surface.

Water containing no significant amounts of salts, such as water from RIVERS and LAKES.

The unstable triatomic form of oxygen, O3. It is a powerful oxidant that is produced for various chemical and industrial uses. Its production is also catalyzed in the ATMOSPHERE by ULTRAVIOLET RAY irradiation of oxygen or other ozone precursors such as VOLATILE ORGANIC COMPOUNDS and NITROGEN OXIDES. About 90% of the ozone in the atmosphere exists in the stratosphere (STRATOSPHERIC OZONE).

The presence of contaminants or pollutant substances in the air (AIR POLLUTANTS) that interfere with human health or welfare, or produce other harmful environmental effects. The substances may include GASES; PARTICULATE MATTER; or volatile ORGANIC CHEMICALS.

A highly toxic, colorless, nonflammable gas. It is used as a pharmaceutical aid and antioxidant. It is also an environmental air pollutant.

Fluids composed mainly of water found within the body.

The monitoring of the level of toxins, chemical pollutants, microbial contaminants, or other harmful substances in the environment (soil, air, and water), workplace, or in the bodies of people and animals present in that environment.

Contamination of bodies of water (such as LAKES; RIVERS; SEAS; and GROUNDWATER.)

Particles of any solid substance, generally under 30 microns in size, often noted as PM30. There is special concern with PM1 which can get down to PULMONARY ALVEOLI and induce MACROPHAGE ACTIVATION and PHAGOCYTOSIS leading to FOREIGN BODY REACTION and LUNG DISEASES.

Any of several processes in which undesirable impurities in water are removed or neutralized; for example, chlorination, filtration, primary treatment, ion exchange, and distillation. It includes treatment of WASTE WATER to provide potable and hygienic water in a controlled or closed environment as well as provision of public drinking water supplies.

The exposure to potentially harmful chemical, physical, or biological agents in the environment or to environmental factors that may include ionizing radiation, pathogenic organisms, or toxic chemicals.

Substances which pollute the soil. Use for soil pollutants in general or for which there is no specific heading.

Gases, fumes, vapors, and odors escaping from the cylinders of a gasoline or diesel internal-combustion engine. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed & Random House Unabridged Dictionary, 2d ed)

Hydrocarbon compounds with one or more of the hydrogens replaced by CHLORINE.

Industrial products consisting of a mixture of chlorinated biphenyl congeners and isomers. These compounds are highly lipophilic and tend to accumulate in fat stores of animals. Many of these compounds are considered toxic and potential environmental pollutants.

The flow of water in enviromental bodies of water such as rivers, oceans, water supplies, aquariums, etc. It includes currents, tides, and waves.

The epizootiology and pathogenesis of thyroid hyperplasia in coho salmon (Oncorhynchus kisutch) in Lake Ontario. (1/492)

The thyroid glands of coho salmon collected at different stages of their anadromous migration exhibited progressive and extensive hyperplasia and hypertrophy. The incidence of overt nodule formation rose from 5% in fish collected in August to 24% in fish collected in October. The histological picture of the goiters was similar to that found in thiourea-treated teleosts and thiouracil-treated mammals. There was a concomitant, significant decrease in serum thyroxine and triiodothyronine values between September and October (thyroxine, 1.0+/-0.3 mug/100 ml and 0.4 mug/100 ml in September and October, respectively; triiodothyronine, 400.3+/-51.6 ng/100 ml and 80.2 ng/100 ml in September and October, respectively) and marked hypertrophy and hyperplasia of thyrotrophs. These data indicate a progressive hypothyroid condition which, although it may be linked to iodide deficiency, may well be enhanced by other environmental factors. The evidence for involvement of other factors is discussed. (+info)

A comparison of the reproductive physiology of largemouth bass, Micropterus salmoides, collected from the Escambia and Blackwater Rivers in Florida. (2/492)

Largemouth bass (LMB), Micropterus salmoides, were taken from the Escambia River (contaminated site) and the Blackwater River (reference site) near Pensacola, Florida. The Escambia River collection occurred downstream of the effluent from two identified point sources of pollution. These point sources included a coal-fired electric power plant and a chemical company. Conversely, the Blackwater River's headwaters and most of its length flow within a state park. Although there is some development on the lower part of the Blackwater River, fish were collected in the more pristine upper regions. Fish were captured by electroshocking and were maintained in aerated coolers. Physical measurements were obtained, blood was taken, and liver and gonads were removed. LMB plasma was assayed for the concentration of 17ss-estradiol (E2) and testosterone using validated radioimmunoassays. The presence of vitellogenin was determined by gel electrophoresis (SDS-PAGE) and Western blotting using a monoclonal antibody validated for largemouth bass vitellogenin. No differences in plasma concentrations of E2 or testosterone were observed in females from the two sites. Similarly, males exhibited no difference in plasma E2. However, plasma testosterone was lower in the males from the contaminated site, as compared to the reference site. Vitellogenic males occurred only at the contaminated site. Additionally, liver mass was proportionately higher in males from the contaminated site, as compared to males from the reference site. These data suggest that reproductive steroid levels may have been altered by increased hepatic enzyme activity, and the presence of vitellogenic males indicates that an exogenous source of estrogen was present in the Escambia River. (+info)

The role of humic substances in drinking water in Kashin-Beck disease in China. (3/492)

We conducted in vitro and in vivo assays in a selenium-deficient system to determine if organic matter (mainly fulvic acid; FA) is involved in a free radical mechanism of action for Kashin-Beck disease. Cartilage cell culture experiments indicated that the oxy or hydroxy functional groups in FA may interfere with the cell membrane and result in enhancement of lipid peroxidation. Experiments with rats demonstrated that toxicity from FA was reduced when the hydroxy group was blocked. Induction of lipid peroxidation by FA in liver and blood of rats was similar to that exhibited by acetyl phenyl hydrazine. FA accumulated in bone and cartilage, where selenium rarely concentrates. In addition, selenium supplementation in rats' drinking water inhibited the generation of oxy-free radicals in bone. We hypothesized that FA in drinking water is an etiological factor of Kashin-Beck disease and that the mechanism of action involves the oxy and hydroxy groups in FA for the generation of free radicals. Selenium was confirmed to be a preventive factor for Kashin-Beck disease. (+info)

Microbial communities associated with anaerobic benzene degradation in a petroleum-contaminated aquifer. (4/492)

Microbial community composition associated with benzene oxidation under in situ Fe(III)-reducing conditions in a petroleum-contaminated aquifer located in Bemidji, Minn., was investigated. Community structure associated with benzene degradation was compared to sediment communities that did not anaerobically oxidize benzene which were obtained from two adjacent Fe(III)-reducing sites and from methanogenic and uncontaminated zones. Denaturing gradient gel electrophoresis of 16S rDNA sequences amplified with bacterial or Geobacteraceae-specific primers indicated significant differences in the composition of the microbial communities at the different sites. Most notable was a selective enrichment of microorganisms in the Geobacter cluster seen in the benzene-degrading sediments. This finding was in accordance with phospholipid fatty acid analysis and most-probable-number-PCR enumeration, which indicated that members of the family Geobacteraceae were more numerous in these sediments. A benzene-oxidizing Fe(III)-reducing enrichment culture was established from benzene-degrading sediments and contained an organism closely related to the uncultivated Geobacter spp. This genus contains the only known organisms that can oxidize aromatic compounds with the reduction of Fe(III). Sequences closely related to the Fe(III) reducer Geothrix fermentans and the aerobe Variovorax paradoxus were also amplified from the benzene-degrading enrichment and were present in the benzene-degrading sediments. However, neither G. fermentans nor V. paradoxus is known to oxidize aromatic compounds with the reduction of Fe(III), and there was no apparent enrichment of these organisms in the benzene-degrading sediments. These results suggest that Geobacter spp. play an important role in the anaerobic oxidation of benzene in the Bemidji aquifer and that molecular community analysis may be a powerful tool for predicting a site's capacity for anaerobic benzene degradation. (+info)

Associations between stomach cancer incidence and drinking water contamination with atrazine and nitrate in Ontario (Canada) agroecosystems, 1987-1991. (5/492)

BACKGROUND: Nitrate and atrazine are two chemicals that are heavily used in certain sectors of agriculture. They are suspected to be associated with the development of certain types of tumours. METHODS: Existing data were obtained on the incidence of specific types of cancers, contamination of drinking water with atrazine and nitrate, and related agricultural practices for the 40 ecodistricts in the province of Ontario. The data were merged into a georelational database for geographical and statistical analyses. Weighted (by population size) least squares regression analyses were conducted while controlling for confounding socioeconomic and lifestyle factors. Maximum likelihood spatial error models were estimated when least square regression error terms were found to be spatially autocorrelated using the Moran's I statistic. RESULTS: Atrazine contamination levels (range 50-649 ng/l, maximum acceptable concentration [MAC] = 60000 ng/l) were positively associated (P < 0.05) with stomach cancer incidence and negatively associated with colon cancer incidence. Nitrate levels, (range 0-91 mg/l, MAC = 10 mg/l) were negatively associated with stomach cancer incidence. CONCLUSION: The associations found at the ecodistrict level, both positive and negative, if confirmed by other studies, raise serious questions about maximum allowable limits for atrazine, as well as possibilities of complex trade-offs among disease outcomes, and interactions of biophysical and social mechanisms which might explain them. Although the negative associations appear to have no direct biological explanations, such counter-intuitive outcomes may occur in complex systems where social and biological variables interact. (+info)

Effects of nonylphenol and 17beta-estradiol on vitellogenin synthesis and testis morphology in male platyfish Xiphophorus maculatus. (6/492)

Nonylphenol has been found to exert estrogenic effects in fish and may influence the fertility of male fish. In the present study, the effects of nonylphenol and 17beta-estradiol on vitellogenin synthesis and testis morphology in platyfish Xiphophorus maculatus were investigated. Vitellogenin was observed in the plasma of all fish exposed to nonylphenol or 17beta-estradiol. Exposure to 17beta-estradiol resulted in a significant reduction in the gonadosomatic index. A tendency for a dose-dependent reduction in the gonadosomatic index in the nonylphenol exposed groups was observed. Histological examination revealed dose-dependent effects of nonylphenol on the testis structure. The testes of control fish contained numerous cysts with spermatogenetic cells. The testes of fish exposed to nonylphenol or 17beta-estradiol showed a decrease in the number of cysts concomitant with an increase in the amount of hypertrophied Sertoli cells present. Formation of spermatozeugmata is compulsory for this species, but free spermatozoa were observed in the efferent ducts of the treated fish. The study indicates that nonylphenol has estrogenic potency, and that both nonylphenol and 17beta-estradiol have marked effects on the testis morphology of X. maculatus. The ambient concentration of nonylphenol was measured by high pressure liquid chromatography during the experiment. The measurements revealed that the actual concentrations of nonylphenol in the water were about 30-40 % of the nominal concentrations. (+info)

Drinking water turbidity and gastrointestinal illness in the elderly of Philadelphia. (7/492)

STUDY OBJECTIVE: To investigate the association between drinking water quality and gastrointestinal illness in the elderly of Philadelphia. DESIGN: Within the general population, children and the elderly are at highest risk for gastrointestinal disease. This study investigates the potential association between daily fluctuations in drinking water turbidity and subsequent hospital admissions for gastrointestinal illness of elderly persons, controlling for time trends, seasonal patterns, and temperature using Poisson regression analysis. SETTING AND PARTICIPANTS: All residents of Philadelphia aged 65 and older in 1992-1993 were studied through their MEDICARE records. MAIN RESULTS: For Philadelphia's population aged 65 and older, we found water quality 9 to 11 days before the visit was associated with hospital admissions for gastrointestinal illness, with an interquartile range increase in turbidity being associated with a 9% increase (95% CI 5.3%, 12.7%). In the Belmont service area, there was also an association evident at a lag of 4 to 6 days (9.1% increase, 95% CI 5.2, 13.3). Both associations were stronger in those over 75 than in the population aged 65-74. This association occurred in a filtered water supply in compliance with US standards. CONCLUSIONS: Elderly residents of Philadelphia remain at risk of waterborne gastrointestinal illness under current water treatment practices. Hospitalisations represent a very small percentage of total morbidity. (+info)

Lung function decline in 4-monthly repeated spirometric measurements: due to silt aerosol exposure or decreasing effort? (8/492)

BACKGROUND: Workers on dredgers and lighters on rivers are exposed to the inhalation of aerosols and dusts. OBJECTIVE: The aim of this study was to investigate effects of river silt aerosol and dust exposure on the respiratory health of dredging employees. METHODS: Six examinations were performed over a period of 2 years at 4-monthly intervals in 54 seamen with higher silt aerosol exposure and 36 controls of the same employer. RESULTS: No significant differences could be observed between the groups at any time of the study but there was an unexpected significant decrease in the age-corrected expiratory vital capacity (FVC), forced expiratory volume in 1 s (FEV(1)) and midexpiratory flow rate (MMEF(25/75)) over the six series in both groups. This may indicate a loss of effort of the participants in re-examinations since biological and technical influences were highly unlikely to be the cause of these findings. CONCLUSIONS: Ignoring this possible decline of effort in frequently repeated measurements may result in overestimating potential effects of occupational exposure. (+info)

Water pollutants refer to any substances or materials that contaminate water sources and make them unsafe or unsuitable for use. These pollutants can include a wide range of chemicals, microorganisms, and physical particles that can have harmful effects on human health, aquatic life, and the environment as a whole. Examples of water pollutants include heavy metals like lead and mercury, industrial chemicals such as polychlorinated biphenyls (PCBs) and dioxins, agricultural runoff containing pesticides and fertilizers, sewage and wastewater, oil spills, and microplastics. Exposure to water pollutants can cause a variety of health problems, ranging from minor irritations to serious illnesses or even death in extreme cases. Additionally, water pollution can have significant impacts on the environment, including harming or killing aquatic life, disrupting ecosystems, and reducing biodiversity.

Radioactive water pollutants refer to contaminants in water sources that contain radioactive materials. These materials can include substances such as radium, uranium, and cesium, which emit ionizing radiation. This type of pollution can occur through various means, including the disposal of radioactive waste from nuclear power plants, hospitals, and research facilities; oil and gas drilling operations; and mining activities.

Exposure to radioactive water pollutants can have serious health consequences, as ionizing radiation has been linked to an increased risk of cancer, genetic mutations, and other harmful effects. Therefore, it is essential to regulate and monitor radioactive water pollution to protect public health and the environment.

Medical definitions of water generally describe it as a colorless, odorless, tasteless liquid that is essential for all forms of life. It is a universal solvent, making it an excellent medium for transporting nutrients and waste products within the body. Water constitutes about 50-70% of an individual's body weight, depending on factors such as age, sex, and muscle mass.

In medical terms, water has several important functions in the human body:

1. Regulation of body temperature through perspiration and respiration.
2. Acting as a lubricant for joints and tissues.
3. Facilitating digestion by helping to break down food particles.
4. Transporting nutrients, oxygen, and waste products throughout the body.
5. Helping to maintain healthy skin and mucous membranes.
6. Assisting in the regulation of various bodily functions, such as blood pressure and heart rate.

Dehydration can occur when an individual does not consume enough water or loses too much fluid due to illness, exercise, or other factors. This can lead to a variety of symptoms, including dry mouth, fatigue, dizziness, and confusion. Severe dehydration can be life-threatening if left untreated.

Air pollutants are substances or mixtures of substances present in the air that can have negative effects on human health, the environment, and climate. These pollutants can come from a variety of sources, including industrial processes, transportation, residential heating and cooking, agricultural activities, and natural events. Some common examples of air pollutants include particulate matter, nitrogen dioxide, sulfur dioxide, ozone, carbon monoxide, and volatile organic compounds (VOCs).

Air pollutants can cause a range of health effects, from respiratory irritation and coughing to more serious conditions such as bronchitis, asthma, and cancer. They can also contribute to climate change by reacting with other chemicals in the atmosphere to form harmful ground-level ozone and by directly absorbing or scattering sunlight, which can affect temperature and precipitation patterns.

Air quality standards and regulations have been established to limit the amount of air pollutants that can be released into the environment, and efforts are ongoing to reduce emissions and improve air quality worldwide.

Chemical water pollutants refer to harmful chemicals or substances that contaminate bodies of water, making them unsafe for human use and harmful to aquatic life. These pollutants can come from various sources, including industrial and agricultural runoff, sewage and wastewater, oil spills, and improper disposal of hazardous materials.

Examples of chemical water pollutants include heavy metals (such as lead, mercury, and cadmium), pesticides and herbicides, volatile organic compounds (VOCs), polychlorinated biphenyls (PCBs), and petroleum products. These chemicals can have toxic effects on aquatic organisms, disrupt ecosystems, and pose risks to human health through exposure or consumption.

Regulations and standards are in place to monitor and limit the levels of chemical pollutants in water sources, with the aim of protecting public health and the environment.

Environmental pollutants are defined as any substances or energy (such as noise, heat, or light) that are present in the environment and can cause harm or discomfort to humans or other living organisms, or damage the natural ecosystems. These pollutants can come from a variety of sources, including industrial processes, transportation, agriculture, and household activities. They can be in the form of gases, liquids, solids, or radioactive materials, and can contaminate air, water, and soil. Examples include heavy metals, pesticides, volatile organic compounds (VOCs), particulate matter, and greenhouse gases.

It is important to note that the impact of environmental pollutants on human health and the environment can be acute (short-term) or chronic (long-term) and it depends on the type, concentration, duration and frequency of exposure. Some common effects of environmental pollutants include respiratory problems, cancer, neurological disorders, reproductive issues, and developmental delays in children.

It is important to monitor, control and reduce the emissions of these pollutants through regulations, technology advancements, and sustainable practices to protect human health and the environment.

I'm sorry for any confusion, but "water supply" is not a medical term per se. It is a general term used to describe the system or arrangement providing water for consumption or use, such as a public water supply system or a private well. However, in a medical context, it could refer to the source of water used in a healthcare facility for drinking, cooking, cleaning, and patient care, which must meet certain quality standards to prevent infection and ensure safety.

Nitrogen dioxide (NO2) is a gaseous air pollutant and respiratory irritant. It is a reddish-brown toxic gas with a pungent, choking odor. NO2 is a major component of smog and is produced from the combustion of fossil fuels in vehicles, power plants, and industrial processes.

Exposure to nitrogen dioxide can cause respiratory symptoms such as coughing, wheezing, and difficulty breathing, especially in people with asthma or other respiratory conditions. Long-term exposure has been linked to the development of chronic lung diseases, including bronchitis and emphysema. NO2 also contributes to the formation of fine particulate matter (PM2.5), which can penetrate deep into the lungs and cause additional health problems.

I'm sorry for any confusion, but "Fresh Water" is not a medical term. It is a term used to describe water that contains low concentrations of dissolved salts and other dissolved minerals. It is distinguished from saline water, which includes saltwater found in the ocean and brackish water found in estuaries. Fresh water is essential for many biological processes and is the primary source of water for human consumption, agriculture, and industrial use.

Ozone (O3) is not a substance that is typically considered a component of health or medicine in the context of human body or physiology. It's actually a form of oxygen, but with three atoms instead of two, making it unstable and reactive. Ozone is naturally present in the Earth's atmosphere, where it forms a protective layer in the stratosphere that absorbs harmful ultraviolet (UV) radiation from the sun.

However, ozone can have both beneficial and detrimental effects on human health depending on its location and concentration. At ground level or in indoor environments, ozone is considered an air pollutant that can irritate the respiratory system and aggravate asthma symptoms when inhaled at high concentrations. It's important to note that ozone should not be confused with oxygen (O2), which is essential for human life and breathing.

Air pollution is defined as the contamination of air due to the presence of substances or harmful elements that exceed the acceptable limits. These pollutants can be in the form of solid particles, liquid droplets, gases, or a combination of these. They can be released from various sources, including industrial processes, vehicle emissions, burning of fossil fuels, and natural events like volcanic eruptions.

Exposure to air pollution can have significant impacts on human health, contributing to respiratory diseases, cardiovascular issues, and even premature death. It can also harm the environment, damaging crops, forests, and wildlife populations. Stringent regulations and measures are necessary to control and reduce air pollution levels, thereby protecting public health and the environment.

Sulfur dioxide (SO2) is not a medical term per se, but it's an important chemical compound with implications in human health and medicine. Here's a brief definition:

Sulfur dioxide (SO2) is a colorless gas with a sharp, pungent odor. It is primarily released into the atmosphere as a result of human activities such as the burning of fossil fuels (like coal and oil) and the smelting of metals. SO2 is also produced naturally during volcanic eruptions and some biological processes.

In medical terms, exposure to high levels of sulfur dioxide can have adverse health effects, particularly for people with respiratory conditions like asthma or chronic obstructive pulmonary disease (COPD). SO2 can irritate the eyes, nose, throat, and lungs, causing coughing, wheezing, shortness of breath, and a tight feeling in the chest. Prolonged exposure to elevated levels of SO2 may exacerbate existing respiratory issues and lead to decreased lung function.

Regulations are in place to limit sulfur dioxide emissions from industrial sources to protect public health and reduce air pollution.

Body water refers to the total amount of water present in the human body. It is an essential component of life and makes up about 60-70% of an adult's body weight. Body water is distributed throughout various fluid compartments within the body, including intracellular fluid (water inside cells), extracellular fluid (water outside cells), and transcellular fluid (water found in specific bodily spaces such as the digestive tract, eyes, and joints). Maintaining proper hydration and balance of body water is crucial for various physiological processes, including temperature regulation, nutrient transportation, waste elimination, and overall health.

Environmental monitoring is the systematic and ongoing surveillance, measurement, and assessment of environmental parameters, pollutants, or other stressors in order to evaluate potential impacts on human health, ecological systems, or compliance with regulatory standards. This process typically involves collecting and analyzing data from various sources, such as air, water, soil, and biota, and using this information to inform decisions related to public health, environmental protection, and resource management.

In medical terms, environmental monitoring may refer specifically to the assessment of environmental factors that can impact human health, such as air quality, water contamination, or exposure to hazardous substances. This type of monitoring is often conducted in occupational settings, where workers may be exposed to potential health hazards, as well as in community-based settings, where environmental factors may contribute to public health issues. The goal of environmental monitoring in a medical context is to identify and mitigate potential health risks associated with environmental exposures, and to promote healthy and safe environments for individuals and communities.

Water pollution is defined medically as the contamination of water sources by harmful or sufficient amounts of foreign substances (pathogens, chemicals, toxic compounds, etc.) which tend to interfere with its normal functioning and can have negative effects on human health. Such pollutants can find their way into water bodies through various means including industrial waste disposal, agricultural runoff, oil spills, sewage and wastewater discharges, and accidental chemical releases, among others.

Exposure to polluted water can lead to a range of health issues, from minor problems like skin irritation or stomach upset, to severe conditions such as neurological disorders, reproductive issues, cancer, and even death in extreme cases. It also poses significant risks to aquatic life, disrupting ecosystems and leading to the decline or extinction of various species. Therefore, maintaining clean and safe water supplies is critical for both human health and environmental preservation.

Particulate Matter (PM) refers to the mixture of tiny particles and droplets in the air that are solid or liquid in nature. These particles vary in size, with some being visible to the naked eye while others can only be seen under a microscope. PM is classified based on its diameter:

* PM10 includes particles with a diameter of 10 micrometers or smaller. These particles are often found in dust, pollen, and smoke.
* PM2.5 includes particles with a diameter of 2.5 micrometers or smaller. These fine particles are produced from sources such as power plants, industrial processes, and vehicle emissions. They can also come from natural sources like wildfires.

Exposure to particulate matter has been linked to various health problems, including respiratory issues, cardiovascular disease, and premature death. The smaller the particle, the deeper it can penetrate into the lungs, making PM2.5 particularly harmful to human health.

Water purification is the process of removing or reducing contaminants in water to make it safe and suitable for specific uses, such as drinking, cooking, irrigation, or medical purposes. This is typically achieved through physical, chemical, or biological methods, or a combination thereof. The goal is to eliminate or reduce harmful substances like bacteria, viruses, parasites, heavy metals, pesticides, and other pollutants that can cause illness or negatively impact human health, aquatic life, or the environment.

The specific purification methods used may vary depending on the nature of the contaminants and the desired level of purity for the intended use. Common techniques include filtration (using various types of filters like activated carbon, ceramic, or reverse osmosis), disinfection (using chemicals like chlorine or UV light to kill microorganisms), sedimentation (allowing particles to settle and be removed), and distillation (heating water to create steam, which is then condensed back into pure water).

Environmental exposure refers to the contact of an individual with any chemical, physical, or biological agent in the environment that can cause a harmful effect on health. These exposures can occur through various pathways such as inhalation, ingestion, or skin contact. Examples of environmental exposures include air pollution, water contamination, occupational chemicals, and allergens. The duration and level of exposure, as well as the susceptibility of the individual, can all contribute to the risk of developing an adverse health effect.

I'm sorry for any confusion, but "soil pollutants" is not a term typically used in medical definitions. Soil pollution refers to the presence or accumulation of hazardous substances, chemicals, or other pollutants in soil that can have negative effects on plant life, human health, and the environment.

However, if you're asking about potential health effects of exposure to soil pollutants, it could include a variety of symptoms or diseases, depending on the specific pollutant. For example, exposure to lead-contaminated soil can lead to developmental delays in children, while exposure to certain pesticides or industrial chemicals can cause neurological problems, respiratory issues, and even cancer.

If you have more specific information about a particular substance or context, I may be able to provide a more precise answer.

'Vehicle Emissions' is not a term typically used in medical definitions. However, in a broader context, it refers to the gases and particles released into the atmosphere by vehicles such as cars, trucks, buses, and airplanes. The main pollutants found in vehicle emissions include carbon monoxide (CO), nitrogen oxides (NOx), particulate matter (PM), and volatile organic compounds (VOCs). Exposure to these pollutants can have negative health effects, including respiratory symptoms, cardiovascular disease, and cancer. Therefore, vehicle emissions are a significant public health concern.

Chlorinated hydrocarbons are a group of organic compounds that contain carbon (C), hydrogen (H), and chlorine (Cl) atoms. These chemicals are formed by replacing one or more hydrogen atoms in a hydrocarbon molecule with chlorine atoms. The properties of chlorinated hydrocarbons can vary widely, depending on the number and arrangement of chlorine and hydrogen atoms in the molecule.

Chlorinated hydrocarbons have been widely used in various industrial applications, including as solvents, refrigerants, pesticides, and chemical intermediates. Some well-known examples of chlorinated hydrocarbons are:

1. Methylene chloride (dichloromethane) - a colorless liquid with a mild sweet odor, used as a solvent in various industrial applications, including the production of pharmaceuticals and photographic films.
2. Chloroform - a heavy, volatile, and sweet-smelling liquid, used as an anesthetic in the past but now mainly used in chemical synthesis.
3. Carbon tetrachloride - a colorless, heavy, and nonflammable liquid with a mildly sweet odor, once widely used as a solvent and fire extinguishing agent but now largely phased out due to its ozone-depleting properties.
4. Vinyl chloride - a flammable, colorless gas, used primarily in the production of polyvinyl chloride (PVC) plastic and other synthetic materials.
5. Polychlorinated biphenyls (PCBs) - a group of highly stable and persistent organic compounds that were widely used as coolants and insulating fluids in electrical equipment but are now banned due to their toxicity and environmental persistence.

Exposure to chlorinated hydrocarbons can occur through inhalation, skin contact, or ingestion, depending on the specific compound and its physical state. Some chlorinated hydrocarbons have been linked to various health effects, including liver and kidney damage, neurological disorders, reproductive issues, and cancer. Therefore, proper handling, use, and disposal of these chemicals are essential to minimize potential health risks.

Polychlorinated biphenyls (PCBs) are a group of man-made organic chemicals consisting of 209 individual compounds, known as congeners. The congeners are formed by the combination of two benzene rings with varying numbers and positions of chlorine atoms.

PCBs were widely used in electrical equipment, such as transformers and capacitors, due to their non-flammability, chemical stability, and insulating properties. They were also used in other applications, including coolants and lubricants, plasticizers, pigments, and copy oils. Although PCBs were banned in many countries in the 1970s and 1980s due to their toxicity and environmental persistence, they still pose significant health and environmental concerns because of their continued presence in the environment and in products manufactured before the ban.

PCBs are known to have various adverse health effects on humans and animals, including cancer, immune system suppression, reproductive and developmental toxicity, and endocrine disruption. They can also cause neurological damage and learning and memory impairment in both human and animal populations. PCBs are highly persistent in the environment and can accumulate in the food chain, leading to higher concentrations in animals at the top of the food chain, including humans.

I'm not aware of a medical definition for the term "water movements." It is possible that it could be used in a specific context within a certain medical specialty or procedure. However, I can provide some general information about how the term "water" is used in a medical context.

In medicine, "water" often refers to the fluid component of the body, which includes all the fluids inside and outside of cells. The movement of water within the body is regulated by various physiological processes, such as osmosis and hydrostatic pressure. Disorders that affect the regulation of water balance can lead to dehydration or overhydration, which can have serious consequences for health.

If you could provide more context or clarify what you mean by "water movements," I may be able to give a more specific answer.

London (2013). Chapter 7 - Adsorption techniques for the removal of persistent organic pollutants from water and wastewater. ... Harrad, S., "Persistent Organic Pollutants" (2010). Walker, C.H., "Organic Pollutants: An Ecotoxicological Perspective" (2001) ... Stockholm Convention on Persistent Organic Pollutants Resources on Persistent Organic Pollutants (POPs) Monarpop.at, POP ... α-HCH and β-HCH are highly persistent in the water of colder regions. α-HCH and β-HCH has been linked Parkinson's and ...

https://en.wikipedia.org/wiki/Persistent_organic_pollutant

Secondary treatment Water quality Criteria pollutants, a similar list of pollutants of air United States. Clean Water Act, sec ... A conventional pollutant is a term used in the USA to describe a water pollutant that is amenable to treatment by a municipal ... A basic list of conventional pollutants is defined in the U.S. Clean Water Act. The list has been amended in regulations issued ... v t e (Environmental engineering, Water pollution, Water quality indicators, All stub articles, Environment stubs). ...

https://en.wikipedia.org/wiki/Conventional_pollutant

"Primer - Legacy Pollutants , Poisoned Waters , FRONTLINE , PBS". www.pbs.org. Retrieved 2023-03-10. Khwaja, Mahmood A. (2020-11 ... health and civic infrastructure to address the impact of the pollutants. The impact of legacy pollutants can be visible many ... Sites for legacy pollutants include mining sites, industrial parks, waterways contaminated by industry, and other dump sites. ... Notable legacy pollutants include mercury, PCBs, Dioxins and other chemicals that are widespread health and environmental ...

https://en.wikipedia.org/wiki/Legacy_pollution

Petr Hlavinek; Ongjen Bonacci; Jiri Marsalek, Ivana Mahrikova (16 December 2007). Dangerous Pollutants (Xenobiotics) in Urban ... Water Cycle. Springer Science & Business Media. pp. 216-. ISBN 978-1-4020-6795-2. "Intramural CME on Encephalitis". Sanjay ...

https://en.wikipedia.org/wiki/U._C._Chaturvedi

Lichtfouse, Eric; Schwarzbauer, Jan; Robert, Didier (2015). Pollutants in Buildings, Water and Living Organisms. Springer. ISBN ... non-spore-forming and motile bacterium from the genus of Stenotrophomonas which has been isolated from industrial waste water ...

https://en.wikipedia.org/wiki/Stenotrophomonas_acidaminiphila

Hlavinek, Petr (2008). Dangerous pollutants (xenobiotics) in urban waters cycle. Springer. p. 37. ISBN 978-1-4020-6800-3. ... Articles using infobox body of water without alt, Articles using infobox body of water without image bathymetry, Commons ... During the rainy season, its excess water discharges into the Kura River. It is an important bird habitat; it holds one of the ...

https://en.wikipedia.org/wiki/Kartsakhi_Lake

... oxygen and pollutant transport in rivers, analysing the mixing processes of pollutants in rivers and the impact of water-air ... Books Czernuszenko, Włodzimierz; Rowiński, Paweł M. (2005). Water Quality Hazards and Dispersion of Pollutants. Springer. doi: ... "Turbulence at water-vegetation interface in open channel flow: Experiments with natural-like plants", Advances in Water ... the Committee for Research on Water-Related Hazards of the Polish Academy of Sciences (2011-2014), the Committee for Water ...

https://en.wikipedia.org/wiki/Paweł_Rowiński

Crabtree, B.; Moy, F.; Whitehead, M.; Roe, A. (2006). "Monitoring pollutants in highway runoff". Water and Environment Journal ... Floating water crowfoot Ranunculus, Desmoulin's whorl snail, the sedge Carex and the reeds Phragmitesand Glyceria maxima. In ...

https://en.wikipedia.org/wiki/Brinkworth_Brook

The dams slow water, trapping silt and pollutants. Conowingo Dam is credited with preventing much of the silt from Pennsylvania ... The dam spillways can add oxygen to the water. The down stream side of dams is favored by aquatic birds, possibly because the ... The dams also raise the water level, altering the riparian environment. The upstream pools can become environmentally unsound ...

https://en.wikipedia.org/wiki/List_of_dams_and_reservoirs_of_the_Susquehanna_River

Too much pollution, water, salt or other variables can kill the plants in the system. Water solubility of the pollutants ... The oxygen and water transported by the roots allows for greater growth of beneficial soil microorganisms. This allows for ... For instance a constructed wetland may attempt to maximize the cooling properties of the system to treat water from a ... The designed benefit is a reduction of water temperature for the river system while the constructed wetland itself provides ...

https://en.wikipedia.org/wiki/Phytotechnology

Environment portal Conventional pollutant - U.S. Clean Water Act List of environmental issues Pollutant Standards Index ... The damage they cause increases as more pollutant is emitted, and persists as the pollutant accumulates. Stock pollutants can ... Local pollutants cause damage near the emission source. Regional pollutants cause damage further from the emission source. The ... Clean Water Act standards. Under the Clean Water Act, EPA promulgated national standards for municipal sewage treatment plants ...

https://en.wikipedia.org/wiki/Pollutant

1979). "Sorption of Hyrdophobic Pollutants on Natural Sediments". Water Research. 13 (3): 241-248. Bibcode:1979WatRe..13..241K ... It does not dissolve readily in water, so it is mixed with a petroleum-based fluid and sprayed, or used as a dust. Sprayed ... Human exposure to methoxychlor occurs via air, soil, and water, primarily in people who work with the substance or who are ... The 2023 Conference of the Parties of the United Nations Stockholm Convention on Persistent Organic Pollutants took the ...

https://en.wikipedia.org/wiki/Methoxychlor

Chemicals, waste, microorganisms, and parasites are examples of pollutants. All types of pollutants eventually end up in water ... Water pollution is a major problem that disrupts ecosystems and harms human health and the economy. To keep a clean water ... Given that water is a universal solvent and a necessity for life, water contamination is a serious problem. Industrial waste, ... When chemicals contaminate water sources, the water becomes unsafe for use in drinking, cooking, cleaning, swimming, and other ...

https://en.wikipedia.org/wiki/Escravos_River

... and the other related to potential contaminants the water is carrying (water pollution). In addition to the pollutants carried ... "Water Sensitive Urban Design - Melbourne Water". Wsud.melbournewater.com.au. Retrieved 2011-12-05. United States. Federal Water ... polluted runoff results in large enough quantities of pollutants to impair receiving waters. In addition to the pollutants ... While there is some attenuation of these pollutants before entering receiving waters, ...

https://en.wikipedia.org/wiki/Stormwater

... the depth of this running water also needs to be somewhere between 0.4 and 2.0 meters. The water must be free of pollutants and ... The males release their sperm into the water, then as the females siphon in water the sperm fertilizes the eggs which are ... This can also change the flow of the river, causing erosion and a change in water levels. The winged mapleleaf needs to be in a ... Upstream dam operations also cause changes in the water level, which is another issue that the U.S. Fish and Wildlife Service ...

https://en.wikipedia.org/wiki/Winged_mapleleaf

"Toxic and Priority Pollutants Under the Clean Water Act". Washington, D.C.: U.S. Environmental Protection Agency (EPA). April 8 ... Wyche, Bradford W. (1983). "The Regulation of Toxic Pollutants Under the Clean Water Act: EPA's Ten Year Rulemaking Nears ... rather than by singular pollutants. This decree went on to shape the regulations and administration procedures of water policy ... EPA dealt with harmful substances by requiring the agency to list and regulate 65 toxic pollutants and to regulate pollutant ...

https://en.wikipedia.org/wiki/Consent_decree

These standards specify maximum concentrations for specific water pollutants. If even one such concentration is exceeded, the ... The Directive aims for 'good status' for all ground and surface waters (rivers, lakes, transitional waters, and coastal waters ... The Directive's aim for 'good status' for all water bodies will not be achieved, with 47% of EU water bodies covered by the ... The Water Environment (Water Framework Directive) (England and Wales) Regulations 2017 updated the 2003 framework in England ...

https://en.wikipedia.org/wiki/Water_Framework_Directive

Wright, Laura (2017). "Billions of plastic pollutants being dragged into Arctic waters". CBC. Minister McKenna with Wildlife ... She was then interviewed in 2017 for CBC reports on the billions of plastic particles brought into Arctic waters through the ...

https://en.wikipedia.org/wiki/Jennifer_Provencher

"Pollutants and Their Effect on the Water and Radiation Budgets". Archived from the original on 16 December 2008. "Australian ... wet debris with water before it is dumped into a debris chute, have water sprayed on the facade surface before and during ... The pollutants, abundant in urban areas, are less than 0.18 micrometers in size and cause four times more artery buildup than ... The failure of the Indian monsoon has been linked to the suppression of evaporation of water from the Indian Ocean due to the ...

https://en.wikipedia.org/wiki/Particulates

... oily bilge water, ballast water, and solid waste. They also emit air pollutants to the air and water. These wastes, if not ... However, they have added amenities to cater to water tourists, with recent vessels being described as "balcony-laden floating ... Causes of E. coli infection include the consumption of contaminated food or water contaminated by human waste. News outlets ... Visitor volume is represented by overall visitors entering Alaskan waters and/or airspace. Between October 2016 and September ...

https://en.wikipedia.org/wiki/Cruise_ship

... oily bilge water, ballast water, and solid waste. They also emit air pollutants to the air and water. These wastes, if not ... navigable waters, or into or upon the waters of the contiguous zone, or which may affect natural resources in the U.S. EEZ ( ... waters. Beyond U.S. waters, no MPRSA permit is required for a cruise ship to discharge solid waste. The routine discharge of ... oily bilge water; ballast water; and air pollution. The waste streams generated by cruise ships are governed by a number of ...

https://en.wikipedia.org/wiki/Cruise_ship_pollution_in_the_United_States

Microorganisms build up "consortia" that consume pollutants and purify water. Thus, the use of these technologies in the food ... Effects of murta (Ugni molinae Turcz) extract on gas and water vapor permeability of carboxymethylcellulose-based edible films ... Garcia, María A.; Pinotti, Adriana; Zaritzky, Noemí E. (1 September 2006). "Physicochemical, Water Vapor Barrier and Mechanical ... which are capable of decontaminating waters with chromium, a carcinogen. In recognition of her research, especially in the ...

https://en.wikipedia.org/wiki/Noemí_Zaritzky

She later received the Paul L. Busch award for technology to clean water of pollutants. The next year, Mahendra received a 2018 ... "Shaily Mahendra receives Paul L. Busch award for technology to clean water of pollutants". cee.ucla.edu. October 12, 2017. ... Shaily Mahendra Leads Research in Removing Pollutants from Water". cee.ucla.edu. November 23, 2015. Retrieved December 3, 2019 ... Mahendra teamed up with Leonard Rom to develop a new technique that uses enzymes to remove pollutants from water which also ...

https://en.wikipedia.org/wiki/Shaily_Mahendra

Water is the main transmitter of oil shale industry pollutants. One environmental issue is to prevent noxious materials ... At the same time, the thermal processing of oil shale needs water for quenching hot products and the control of dust. Water ... The oil shale processing is accompanied by the formation of process waters and waste waters containing phenols, tar and several ... Mining influences the water runoff pattern of the area affected. In some cases it requires the lowering of groundwater levels ...

https://en.wikipedia.org/wiki/Environmental_impact_of_the_oil_shale_industry

It also precipitates and absorbs water and pollutants, easing eutrophication. Yangjaecheon has a tale related to the Guryongsan ... Water purification facility: located between Yeongdong bridges 2 and 3. It uses gravel contact oxidation to maintain the BOD 1~ ... It can purify 32,000 m3 of water per day. Rivers of Korea "미래유산 찾아보기 상세보기 - 미래유산 둘러보기". 서울미래유산 (in Korean). Retrieved 2022-01- ... From 1995 to 2000, organizations restored water quality to more than 2 grade by removing concrete from both shores for and ...

https://en.wikipedia.org/wiki/Yangjaecheon

"Water fern (Salvinia molesta) shows potentials in removing water pollutants". Pchrd.dost.gov.ph. "Giant Salvinia Detected on ... It prefers nutrient-rich waters such as those found in eutrophic water or those polluted by waste water. It does not usually ... S. molesta has been used to extract nutrients and pollutants from the water. When this plant is dried out, it is used as ... thereby deoxygenating the water. As it dies and decays, decomposers use up the oxygen in the water. It also prevents the ...

https://en.wikipedia.org/wiki/Salvinia_molesta

Outlawing of any pollutant being released anywhere that would lead to large bodies of water. Regulation of pollutants entering ... conditions before the privatization of water Water portal Drainage law Water management Water exports International waters, ... Territorial waters, Internal waters Hydropolitics in the Nile Basin Mekong River Commission Water scarcity in Africa Water ... The Clean Water Act: The Clean Water Act was signed into law in 1948 under the name Federal Water Pollution Control Act, with ...

https://en.wikipedia.org/wiki/Water_politics

This helps to immobilize microbes and pollutants from the water. Heavy metals- such as lead, copper, manganese, magnesium, zinc ... Furthermore, the pH and other conditions of the water may be less than optimal for biofilm growth. Researchers are working on ... Electrodes can become corroded, depending on the makeup of the water, and an accumulation of solids can lead to biofouling thus ... Both of these effects help further remove contaminants from the water. Biofilms can also be used for early monitoring of ...

https://en.wikipedia.org/wiki/Application_of_biofilms_in_industry

They are edible, but since they are so efficient at filtering water, they tend to accumulate pollutants and toxins, so most ... This cleansing also increases water visibility and filters out pollutants. Each quagga and zebra mussel filters about 1 litre ( ... Water-treatment plants are most affected because the water intakes bring the microscopic, free-swimming larvae directly into ... Many water companies are reporting having problems with their water-treatment plants with the mussels attaching themselves to ...

https://en.wikipedia.org/wiki/Zebra_mussel

All of these industries emitted substantial water and airborne pollutants. Chemical fertilizers were manufactured along the ... Previously, water from the canal had gone westward into the Buttermilk Channel, but now water from the channel went into the ... Although water was circulating through the tunnel, tidal forces meant it could only be pumped 11 hours a day. The water quality ... Overall, the water is considered unsafe to drink or swim in, and contact with the canal's water is discouraged. The Gowanus ...

https://en.wikipedia.org/wiki/Gowanus_Canal

Exposure to common air and water pollutants can disrupt the structure and function of the mucosal system, according to a new ... 10 (UPI) -- Exposure to common air and water pollutants can disrupt the structure and function of the mucosal system, according ... Research suggests exposure to air and water contaminants can cause cells to produce too much or too little mucus, impeding ... Pollutant particles can also serve as transport vehicles for invading pathogens and toxins. ...

https://www.upi.com/Science_News/2021/08/10/germany-particle-pollution-mucus/2921628604301/

You dont need complex filters and laser systems to destroy persistent pollutants in water. Chemists have developed a new ... The result: the pollutants were eliminated in a small sample of water even when there was only a moderate amount of sunshine. ... Mere sunlight can be used to eradicate pollutants in water. Chemists present new process to produce hydrated electrons. Date:. ... "Mere sunlight can be used to eradicate pollutants in water." ScienceDaily. www.sciencedaily.com. /. releases. /. 2018. /. 11. / ...

https://www.sciencedaily.com/releases/2018/11/181126123309.htm

Water. Oregon Department of Agriculture / Programs / Pesticides and PARC / Water National Pollutant Discharge Elimination ... The National Pollutant Discharge Elimination System (NPDES) permit program controls water pollution into waters of the United ... It does this by controlling sources that discharge pollutants. The permit program is authorized by the Federal Clean Water Act ... An Oregon NPDES pesticide general permit is required for some pesticide applications, in, over, or near waters of the state. It ...

https://www.oregon.gov/ODA/programs/Pesticides/Water/Pages/NPDES.aspx

Releases of water pollutants and gross value added (GVA) for industry (EEA-33) This website has limited functionality with ... 01 Dec 2017 - Releases of water pollutants and gross value added (GVA) for industry (EEA-33) ... www.eea.europa.eu/data-and-maps/daviz/releases-of-water-pollutants-and-1 or scan the QR code. ... European Pollutant Release and Transfer Register provided by Directorate-General for Environment (DG ENV) National Accounts ...

https://www.eea.europa.eu/data-and-maps/daviz/releases-of-water-pollutants-and-1

Persistent organic pollutants (POPs) including legacy POPs (PCBs, chlordanes, mirex, DDTs, HCB, and dieldrin) and ... Bottlenose Dolphins as Indicators of Persistent Organic Pollutants in Waters Along the US East and Gulf of Mexico Coasts. ... Bottlenose Dolphins as Indicators of Persistent Organic Pollutants in Waters Along the US East and Gulf of Mexico Coasts, ... www.nist.gov/publications/bottlenose-dolphins-indicators-persistent-organic-pollutants-waters-along-us-east-and ...

https://www.nist.gov/publications/bottlenose-dolphins-indicators-persistent-organic-pollutants-waters-along-us-east-and

The Water Wise House - Factsheet. Explore this Article. There are many things we can do around the house to help improve ... At Water by Design we are always looking to improve the service we provide to the stormwater industry. We rely on your valuable ... Subscribe to Water by Design. Sign up today to get the latest South East Queensland environment news and events straight to ... 2020 Healthy Land & Water. A suite of programs that fill knowledge gaps with evidence-based resources and tools, promoting ...

https://waterbydesign.com.au/download-category/meet-the-pollutants

... they can produce special types of electrons that reliably destroy the pollutants in the water. ... Chemists have found out how stubborn pollutants in water can be disintegrated easily and cost-effectively. To do so researchers ... Chemists have discovered a method to easily and cost-effectively break down persistent pollutants in water using a green LED ... Chemists Develop Simple, Cost-Effective Method to Break Down Water Pollutants TOPICS:BiochemistryEnvironmental ScienceMartin ...

https://scitechdaily.com/chemists-develop-simple-cost-effective-method-to-break-down-water-pollutants/

Characteristics of Water Quality and Pollutant Runoff in Sub-Watersheds. 3.1.1. Runoff Water Quality. The stormwater runoff ... The water quality characteristics of each rainfall event were evaluated via storm water flow and water quality measurements at ... Water 2016, 8, 320. [Google Scholar] [CrossRef]. *Dominik, L.; Dirk, M.; Mathias, U. Stormwater Pollutant Process Analysis with ... Water Sci. Technol. 1996, 33, 101-108. [Google Scholar]. *Deletic, A. The first flush load of urban surface runoff. Water Res. ...

https://www.mdpi.com/2073-4441/9/10/784/htm

... added in water were observed. The study found correlations between diversity indices of genera with metal and nutrient ... Urbanization results in higher stormwater loadings of pollutants such as metals and nutrients into surface waters. This ... with pollutants added to the microcosms on day 0 as well as the water changed, and pollutants were re-introduced in 7 day ... Contrasts in pollutant concentrations among treatment levels and the experimental timeline for water nutrients (WN), water ...

https://www.mdpi.com/2073-4441/14/2/251?utm_campaign=releaseissue_waterutm_medium=emailutm_source=releaseissueutm_term=doilink98

The result: the pollutants were eliminated in a small sample of water even when there was only a moderate amount of sunshine. ... Mere sunlight can be used to eradicate pollutants in water Chemists present new process to produce hydrated electrons ... The chemists at MLU rely on electrons moving freely in water, so-called hydrated electrons, to degrade dissolved pollutants. " ... You dont need complex filters and laser systems to destroy persistent pollutants in water. Chemists at Martin Luther ...

https://www.sonnenseite.com/en/science/mere-sunlight-can-be-used-to-eradicate-pollutants-in-water/

DEFINITION: Organic water pollutant (BOD) emissions (kg per day). Emissions of organic water pollutants are measured by ... Environment , Pollution , Organic water pollutant , BOD emissions , Kg per day: Countries Compared *Home ... Environment , Pollution , Organic water pollutant , BOD emissions , Kg per day: Countries Compared Map ... Interesting observations about Environment , Pollution , Organic water pollutant , BOD emissions , Kg per day. ...

https://www.nationmaster.com/country-info/stats/Environment/Pollution/Organic-water-pollutant/BOD-emissions/Kg-per-day

"A good water quality is of enormous importance to society. But high pollutant concentrations threaten drinking water resources ... Smart Buoy for Measuring Water Pollutants. Innovative Monitoring System Combines Water Analysis with Remote Sensing Methods - ... Hence, extensive water monitoring is indispensable for drinking water supply and water protection. Researchers of Karlsruhe ... The new multi-sensor system will determine water quality at various depths. Based on this depth profile of water bodies, ...

https://www.kit.edu/kit/english/pi_2016_117_smart-buoy-for-measuring-water-pollutants.php

State Water Board) and nine semiautonomous Regional Water Quality Control Boards (Regional Water Boards) protect water quality ... The California Water Boards include the State Water Resources Control Board and nine Regional Boards. The State Water Board is ... Each Regional Water Board develops the regulatory program it uses for CAFs. Most of the commercial CAFs are in the Central ... Water is a precious resource in California, and maintaining its quality is of utmost importance to safeguard the health of the ...

https://www.waterboards.ca.gov/water_issues/programs/npdes/cafo.html

Processes for the removal of organic micro-pollutants (OMPs) from wastewater treatment plants (WWTPs) effluents have been ... Organic Pollutants in the Water Cycle - Properties, Occurence, Analysis and Enviromental Relevance of Polar Compounds ... Identifying technical synergy effects for organic micro-pollutants removal T. Fundneider; T. Fundneider * ... Furthermore, conventional water chemical parameters are listed, which show higher PEC/PNEC ratios (e.g. sP: 28.57) and are ...

https://iwaponline.com/wpt/article/13/2/346/38727/Identifying-technical-synergy-effects-for-organic

Water Research Guide : Pollutants. Books, journals, databases, and other resources on water, science and the Great Lakes. ... The following databases are useful for research on any water pollutant, including arsenic, mercury, microplastics, and others. ... For information on pollutant effects on aquatic ecosystems and other biological creatures ... Wisconsin Water Library. 1975 Willow Drive, 2nd Floor. Madison, WI 53706-1177 ...

https://researchguides.library.wisc.edu/c.php?g=177645&p=1170769

Effect of Some Water Pollutants on the Biology of the Nile Bolti, Oreochromis niloticus ... Effect of Some Water Pollutants on the Biology of the Nile Bolti, Oreochromis niloticus . Pakistan Journal of Biological ... Effect of Some Water Pollutants on the Biology of the Nile Bolti, Oreochromis niloticus table, th, td { border: 0px solid # ...

https://scialert.net/fulltext/citedby.php?doi=pjbs.2004.305.308

... water crises, digitalisation, sector coupling and urbanisation with dedicated research, practical solutions and innovative ... Treatment of Emerging Pollutants in Water and Wastewater (DEMEAU). Mobilisation of the experience with MAR-systems and ... The scope of KWBs research activities primarily involves water management issues focussing on managed aquifer recharge (MAR) ... is to further develop and demonstrate technologies which are suitable to eliminate trace organics from both surface waters and ...

https://kompetenz-wasser.de/en/forschung/projekte/demeau

Multi-pollutant assessment and solutions for clean water in Three Gorges Reservoir area in China. ... This project will focus on 1) quantifying the flux of multi-pollutants from the typical cropping systems to the surface water ... establishing antibiotics and fungicides model and applying GloWPa and MARINA model for simulating multi-pollutants hotspots and ... evaluating the potentials of manure replacement technologies and multi-pollutants control technologies; and designing the ...

https://sense.nl/research/multi-pollutant-assessment-and-solutions-for-clean-water-in-three-gorges-reservoir-area-in-china/

At UN meeting, governments agree to a global ban on PFOA - a toxic water pollutant. ... "Water is a precious resource and clean water a fundamental human right. Now is the time to fulfill the Stockholm Conventions ... Out of Sight, Out of Mind: Exporting U.S. Leaded Water Pipes and Solutions to This Environmental Justice Problem ... IPEN (International Pollutants Elimination Network) is a global network of public interest organizations improving chemical ...

https://ipen.org/news/un-meeting-governments-agree-global-ban-pfoa-%E2%80%93-toxic-water-pollutant

Reissuance of the Pesticide General Permit for Discharge of Pesticide Pollutants into Waters of the United States July 29, 2021 ... EPAs PGP regulates the discharge of pesticide residues directly to waters of the United States where EPA is the permitting ... issued under the Clean Water Act. In addition to registering or reregistering pesticides under the Federal Insecticide, ...

https://www.fisheries.noaa.gov/resource/document/reissuance-pesticide-general-permit-discharge-pesticide-pollutants-waters-united

Carbon-cryogel hierarchical composites as effective and scalable filters for removal of trace organic pollutants from water ... Carbon-cryogel hierarchical composites as effective and scalable filters for removal of trace organic pollutants from water ... Carbon-cryogel hierarchical composites as effective and scalable filters for removal of trace organic pollutants from water ... Over 400 bed volumes of water contaminated with 32 mg atrazine/L, and over 27,400 bed volumes of water contaminated with 2 ?g ...

https://eprints.soton.ac.uk/399214/

PCBs: Banned, Toxic Pollutant is Still Being Found in UK waters. by Sophie Hadley Europe Feb 19th 20218 mins ... There are only eight remaining orcas residing in UK waters. Paul Jepson of Zoological Society of London expressed his doubts ... However, marine life in US waters arent without risk to PCB exposure. Ocean Wise marine mammal toxicologist, Peter Ross, ... 746 of these toxic dump sites are within 500 metres of water bodies. The severity of ingesting PCBs for animals and humans ...

https://earth.org/pcbs/

Computer modeling and experimental evidence help determine when public drinking water is at risk ... Nanoparticles, pH play roles in clearing water of pollutants. Computer modeling and experimental evidence help determine when ... pH and other factors affected the ability of engineered nanoparticles to clear water of hexavalent chromium, a pollutant which ... Using computer modeling as well as experimental evidence from waters with environmentally relevant compositions, the team found ...

https://engineering.wustl.edu/news/2019/Nanoparticles-pH-play-roles-in-clearing-water-of-pollutants.html

Agriculture production is extensively water-dependent and a significant polluter of water resources. So, this work investigated ... Water is the most essential natural resource for the future development. ... The Impact of Inoculum Preparation Media on Pollutant Removal through Phycoremediation of Agricultural Drainage Water by ... 2023). The Impact of Inoculum Preparation Media on Pollutant Removal through Phycoremediation of Agricultural Drainage Water by ...

https://www.techscience.com/phyton/v92n10/54192

Experimental analysis on the optimal excitation wavelength for fine-grained identification of refined oil pollutants on water ... Sea water and various types of oil samples were prepared for the purpose of the experiment. Seawater samples were collected in ... Since the oil samples used in this study are refined oil and relatively easy to spread on water surface, they did not need to ... The collected fluorometric spectra of oil samples are corrected with those of the sea water sample in order to eliminate the ...

https://www.researchsquare.com/article/rs-756586/v2

Releases to air and water as well as transfers of waste from different sectors, both aggregated and at facility level.. ...

https://www.norskeutslipp.no/en/Components/Emission/Suspended-Particles-PM10/?ComponentType=utslipp&ComponentPageID=160&SectorID=90

Releases to air and water as well as transfers of waste from different sectors, both aggregated and at facility level.. ...

https://www.norskeutslipp.no/en/Components/Emission/Offshore-override/Carbon-dioxide/?ComponentType=utslipp&ComponentPageID=1162&SectorID=700

Electrochemically Removing Pollutants from Water. Posted on May 11, 2017 by Amanda Staller ... Current scientific methods that work to remove small and diluted pollutants from water tend to be either energy or chemical ... Access to clean drinking water remains an issues around the globe, with 663 million people lacking access to safe water sources ...

https://www.electrochem.org/ecsnews/tag/pollutants/

Functionalised mesoporous biosorbents for efficient removal of hazardous pollutants from water environment ... Functionalised mesoporous biosorbents for efficient removal of hazardous pollutants from water environment" ... Functionalised mesoporous biosorbents for efficient removal of hazardous pollutants from water environment" ... Functionalised mesoporous biosorbents for efficient removal of hazardous pollutants from water environment", of authors Jasmina ...

https://unsa.ba/index.php/en/novosti/functionalised-mesoporous-biosorbents-efficient-removal-hazardous-pollutants-water

New research suggests common pollutants, including airborne particle pollution, can damage the body's mucosal system. (upi.com)
The National Pollutant Discharge Elimination System (NPDES) permit program controls water pollution into waters of the United States. (oregon.gov)
Governments placed special controls on PFOA-containing firefighting foams, prohibiting production, export or import and not permitting their use in training - a large source of water pollution. (ipen.org)
Water pollution , the release of substances into subsurface groundwater or into lakes , streams, rivers , estuaries , and oceans to the point where the substances interfere with beneficial use of the water or with the natural functioning of ecosystems . (britannica.com)
In addition to the release of substances, such as chemicals or microorganisms, water pollution may also include the release of energy , in the form of radioactivity or heat , into bodies of water. (britannica.com)
This book examines a wide range of emerging sources off water pollution. (benthambooks.com)
Students, professionals and postgraduate researchers involved in environmental science, water purification, pollution control and waste management. (benthambooks.com)
"As part of a government-wide effort to confront PFAS pollution, EPA is making available $1 billion in grant funding through President Biden's Bipartisan Infrastructure Law to help communities that are on the frontlines of PFAS contamination, the first of $5 billion through the Law that can be used to reduce PFAS in drinking water in communities facing disproportionate impacts," states EPA on their news release. (gopurepod.com)
As cities expand and people become more involved in their communities, the pollution in stormwater runoff increases, posing a serious risk to water supplies. (sweetsofties.com)
This article focuses on understanding the importance of concrete stormwater pits in reducing pollution and improving water quality. (sweetsofties.com)
If not controlled, this runoff would swiftly infiltrate water bodies, greatly increasing pollution levels and disturbing aquatic habitats. (sweetsofties.com)
Concrete stormwater pits use these techniques to greatly enhance water quality and lessen the negative effects of pollution on aquatic ecosystems and human health. (sweetsofties.com)
The water pollution is the process of contamination of water bodies such as rivers, lakes, ponds, oceans and more. (articlecube.com)
These byproducts are linked to cancer and reproductive problems and form when disinfectants react with residual pollution in the water. (ewg.org)
This pollution may be linked to a lack of proper management of urban and industrial wastewater or agricultural run-off water, with potentially long-term exposure to pollutants, resulting in a range of serious health implications. (who.int)
EHHE has core programs in the focus areas of air pollution and respiratory health, environmental public health tracking, radiation and health, climate and health, and health studies related to safe water. (cdc.gov)

The effect of POPs on human and environmental health was discussed, with intention to eliminate or severely restrict their production, by the international community at the Stockholm Convention on Persistent Organic Pollutants in 2001. (wikipedia.org)

Advances in environmental technology: You don't need complex filters and laser systems to destroy persistent pollutants in water. (sciencedaily.com)
Chemists have discovered a method to easily and cost-effectively break down persistent pollutants in water using a green LED light, a catalyst, and vitamin C. (scitechdaily.com)

Research suggests exposure to air and water contaminants can cause cells to produce too much or too little mucus, impeding proper cellular function. (upi.com)
A novel hierarchical composite filter material for rapid and effective removal of polar organic contaminants from water was developed. (soton.ac.uk)
Water spiked with organic contaminants, both at environmentally relevant concentrations and at high levels of contamination, was used to determine the purification limits of the filter. (soton.ac.uk)
When some Americans drink a glass of tap water, the pollutants can be harmful as you are potentially getting a dose of contaminants that negatively affect your health. (gopurepod.com)
These contaminants are still found in water systems all over the U.S. today. (gopurepod.com)
You might be thinking: "Wait, even though I replace all the products in my house, PFAS, microplastics, and other contaminants are found IN our drinking water! (gopurepod.com)
Whether or not you think you are safe from contaminants in your water, you can never be too safe. (gopurepod.com)
WASHINGTON, Oct. 3, 2013 -When you shine ultraviolet light (UV) through water polluted with certain organic chemicals and bacteria, the contaminants measurably absorb the UV light and then re-emit it as visible light. (opli.net)
Fluorescent light from contaminants in the water is carried away to be detected and analyzed. (opli.net)
But the laser light that illuminates bacteria and chemicals in the water also shines on the channel walls, where it scatters and obscures the distinction between the fluorescing contaminants and their background. (opli.net)
The researchers tested their device with varying amounts of some of the main pollutants of ground water - soil contaminants such as benzene, toluene, and xylene (together called BTX), and polycyclic aromatic hydrocarbons (PAH), which are hazardous, carcinogenic chemicals found in tar and petroleum. (opli.net)
To provide cleaner water for the environment and society, they are an essential part of contemporary stormwater management methods because of their ability to remove silt, heavy metals, oils, nutrients, and other contaminants. (sweetsofties.com)
The bottled water industry promotes an image of purity, but comprehensive testing by the Environmental Working Group (EWG) reveals a surprising array of chemical contaminants in every bottled water brand analyzed, including toxic byproducts of chlorination in Walmart's Sam's Choice and Giant Supermarket's Acadia brands, at levels no different than routinely found in tap water. (ewg.org)
Several Sam's Choice samples purchased in California exceeded legal limits for bottled water contaminants in that state. (ewg.org)
Cancer-causing contaminants in bottled water purchased in 5 states (North Carolina, California, Virginia, Delaware and Maryland) and the District of Columbia substantially exceeded the voluntary standards established by the bottled water industry. (ewg.org)
Laboratory tests conducted for EWG at one of the country's leading water quality laboratories found that 10 popular brands of bottled water, purchased from grocery stores and other retailers in 9 states and the District of Columbia, contained 38 chemical pollutants altogether, with an average of 8 contaminants in each brand. (ewg.org)
Moreover, millions of people are exposed to unsafe concentrations of chemical contaminants in their drinking-water. (who.int)

But high pollutant concentrations threaten drinking water resources, protection zones, or aquafarms worldwide. (kit.edu)
The concentrations of naturally occurring chemicals dissolved in water (such as sodium, chloride or sulphate) varies between locations. (futurelearn.com)
Phosphates and nitrates used as agricultural fertilisers can subsequently leach into rivers and lakes downstream, dramatically increasing fluxes above natural background concentrations with consequences for algal production (' cultural eutrophication ') and water supply or safety. (futurelearn.com)
The effect of EPs on aquatic organisms, humans and wildlife has not been fully elucidated, as the majority of PPCPs detected in surface water are usually below the concentrations that cause acute effects (Wong and MacLeod 2009 ). (springer.com)
We conservatively estimate an increase of up to 100% background PO 4 3− concentrations (0.12 µmol L -1 over a background level of 0.06 µmol L -1 ) in nearshore waters during low water renewal conditions in a populated beach in Majorca island. (gicapc.es)

Layered over natural variations in water quality, however, are the effects of a very wide range of pollutants that arise entirely from human activities. (futurelearn.com)

Components of floating emergent macrophyte treatment wetlands influencing removal of storm water pollutants. (bvsalud.org)

Researchers suggest microplastics in water can also disrupt the body's natural lubrication system. (upi.com)
The top pollutants in your tap water include lead, chlorine, arsenic, microplastics and PFAS chemicals. (gopurepod.com)
A study published in Environmental Science and Technology found those who drink their recommended daily intake of water from plastic bottles only, may be ingesting "an additional 90,000 microplastics annually, compared to 4000 microplastics for those who consume only tap water. (gopurepod.com)
Our portable water filter's advanced technology filters out PFAS/PFOS chemicals, microplastics, fluoride, and more. (gopurepod.com)
The average size of microplastics found in drinking water are 0.3 microns. (gopurepod.com)

In addition to registering or reregistering pesticides under the Federal Insecticide, Fungicide, and Rodenticide Act, EPA's PGP regulates the discharge of pesticide residues directly to waters of the United States where EPA is the permitting authority. (noaa.gov)
Flow through tests using water spiked with the pesticides atrazine (32 mg/L) and malathion (16 mg/L) indicated maximum adsorptive capacities of 641 and 591 mg pollutant/g carbon, respectively. (soton.ac.uk)
Oils, heavy metals, silt, pesticides, and nutrients are pollutants that find their way into stormwater as it travels over impervious surfaces like roads, sidewalks, and rooftops. (sweetsofties.com)

Fluorinated firefighting foams are a leading cause of water contamination with toxic chemicals that pollute breast milk and are associated with cancer, endocrine disruption, and harm to fetal development. (ipen.org)
Water contamination is largely caused by stormwater runoff. (sweetsofties.com)
This method also reduces the potential for flooding, soil erosion, and water contamination. (sweetsofties.com)
They include contamination of drinking-water catchment areas (by human and animal faeces) and sources (through inadequate disposal of human or animal waste). (who.int)
Transmission can also result from contamination in the distribution system (through "leaky" pipes, obsolete infrastructure, and inadequate treatment and storage) and unhygienic handling of stored household water. (who.int)

It does this by controlling sources that discharge pollutants. (oregon.gov)
The Central Valley Water Board is now developing a general Waste Discharge Requirements (WDR) Order to regulate the dairies. (ca.gov)
Discharge of some types of pollutants such as yard waste and fertilizers into local waterways serves to increase the amount of phosphorus in the water which leads to large algae blooms in the warm summer months. (ledgeviewwisconsin.com)
Persons discharging pollutants directly from point sources into surface waters of the state must obtain an NPDES discharge permit from the Tennessee Division of Water Resources. (tn.gov)
EPA Application Form 2E - This form is for facilities that discharge only non-process wastewater (e.g., discharges of sanitary wastes, cafeteria wastes and noncontact cooling water). (tn.gov)
The form requires information concerning the receiving waters, discharge date, type of waste, effluent characteristics, an indication of whether the discharge will be intermittent or seasonal and the treatment system. (tn.gov)
The form requires outfall location information, a narrative description of pollutant sources, a site drainage map, information on significant leaks or spills, discharge information, biological toxicity testing data, existing best management practices, and certification that the discharge contains only stormwater. (tn.gov)

The new paper -- a review of the scientific literature, published Tuesday in the journal Biophysics Reviews -- highlights important links between common pollutants and human health problems. (upi.com)
Here are the most common pollutants and how you can help make sure they end up where they belong - properly disposed of and not in our waterways. (projectcleanwater.org)

Therefore, combining remediation of drainage water with microalgae mass production can achieve the sustainability of agriculture. (techscience.com)
Leading Cities , a global non-profit organization that drives resilience and sustainability in communities around the world, opened applications for local governments to compete for a no-cost pilot project to properly treat water and remove relevant organic pollutants. (thesmartcityjournal.com)

To study larger water areas, the researchers additionally use hyperspectral remote sensing data: Aircraft, such as drones, airplanes or satellites, record spectral data, e.g. characteristics of reflected radiation, of water, suspended particles, algae, and other substances with very high sensitivity. (kit.edu)
OMPs are characterized by their critical substance properties: (high) polarity, (low) sorption tendency and (high) biological and chemical persistence, whereby these substances can even be detected in drinking water ( Frimmel & Müller 2006 ). (iwaponline.com)
By removing hazardous organic pollutants from water, Pharem Biotech can help water treatment plants and industrial water treatment processes to target unwanted organic substances like pharmaceutical residues that enters rivers, lakes and drinking water. (thesmartcityjournal.com)
Read about water quality, naturally occurring chemicals dissolved in water and the different substances classed as water pollutants. (futurelearn.com)
Intriguingly, some of the substances classed as pollutants, such as nutrient and sediments, also vary naturally in freshwater environments. (futurelearn.com)
Many substances (~ 180) being detected for the first time in surface water in South Africa. (springer.com)
Estimation of characteristics of water drift stocks and dissolved substances for different hydrological conditions. (iwlearn.org)
Substances or energies, for example heat or light, which when introduced into the air, water, or land threaten life or health of individuals or ECOSYSTEMS. (bvsalud.org)

We are proud to be offering the opportunity for any water treatment facility or process to apply for a free pilot installation of this award-winning, revolutionary solution to rid our water supplies of these harmful pollutants once and for all. (thesmartcityjournal.com)
*2 Many scientists have warned that these nitrogen pollutants not only increase harmful algae bloom in the coastal waters, but also lead to deterioration of water quality and changes in the formation of marine ecosystem species. (postech.ac.kr)
Pet waste is a major source of bacteria and high levels of nutrients in our waterways, which can lead to toxic Harmful Algae Blooms in both inland and coastal waters. (projectcleanwater.org)
Pollutants from AFOs can be harmful to human and animal life. (cdc.gov)
Includes nitrogen, ammonia, and phosphorus which can reduce oxygen in surface waters, encourage the growth of harmful algal blooms, and contaminate drinking water. (cdc.gov)

Water bodies often are not homogeneously mixed, but have a depth-depending stratification of physical, chemical, and biological parameters. (kit.edu)
Current scientific methods that work to remove small and diluted pollutants from water tend to be either energy or chemical intensive. (electrochem.org)
Persistent organic pollutants (POPs) are organic compounds that are resistant to degradation through chemical, biological, and photolytic processes. (wikipedia.org)
PFAS is a man-made chemical created to infuse into nonstick cookware, stain-resistant fabrics and carpets, water-repellent clothing, and many other products that we use on a daily basis. (gopurepod.com)
An investigation of the chemical composition of Norwegian drinking water and its possible relationships with the epidemiology of some diseases / Trond Peder Flaten. (who.int)
In 2013 a description of expert-analytical system of chemical element transfer down the Selenga River (based on WEAP and HEC-RAS) and a report on water balance of the Selenga River Basin were developed. (iwlearn.org)
Two of 10 brands tested, Walmart's and Giant's store brands, bore the chemical signature of standard municipal water treatment - a cocktail of chlorine disinfection byproducts, and for Giant water, even fluoride. (ewg.org)
Also in Walmart's Sam's Choice brand, lab tests found a cancer-causing chemical called bromodichloromethane at levels that exceed safety standards for cancer-causing chemicals under California's Safe Drinking Water and Toxic Enforcement Act of 1986 (Proposition 65, OEHHA 2008). (ewg.org)
CDC is a long-term leader in environmental management of asthma, radiation exposure, chemical exposures, climate change, natural disasters, environmental pollutants in water, and other key environmental concerns, and has worked with states, cities, and international partners for decades in these fields. (cdc.gov)

Follow-up studies will examine whether the method developed by the chemists in Halle can also be used for large-scale removal of pollutants. (sciencedaily.com)
Processes for the removal of organic micro-pollutants (OMPs) from wastewater treatment plant's (WWTPs) effluents have been tested over decades, and have recently found their way into practice. (iwaponline.com)
There is no information available which technology is best suited for removal of OMPs and other conventional pollutants for good conditions in waterbodies. (iwaponline.com)
In recent years, various processes, which are established in drinking water treatment for OMP removal have been investigated for their potential application in WWTPs. (iwaponline.com)
The Impact of Inoculum Preparation Media on Pollutant Removal through Phycoremediation of Agricultural Drainage Water by Desmodesmus sp. (techscience.com)

Pollutant particles can also serve as transport vehicles for invading pathogens and toxins. (upi.com)
As well as the dissolved pollutants, organic wastes often contain solid particles of waste and pathogenic organisms such as bacteria. (futurelearn.com)
POPs have low solubility in water but are easily captured by solid particles, and are soluble in organic fluids (oils, fats, and liquid fuels). (wikipedia.org)
The carbon water filters you probably have in your home right now are simple filters that only filter out large particles. (gopurepod.com)

Urbanization results in higher stormwater loadings of pollutants such as metals and nutrients into surface waters. (mdpi.com)
Effluents of municipal wastewater treatment plants (WWTPs) represent the main pathway for organic micro-pollutants (OMP), micro-plastics and antibiotic resistant bacteria into waterbodies, such as surface waters. (iwaponline.com)
The aim of the project consortium coordinated by KWR Watercycle Research Institute (NL) is to further develop and demonstrate technologies which are suitable to eliminate trace organics from both surface waters and wastewaters and to analyse their performance. (kompetenz-wasser.de)
Solid matter such as feed and feathers, which can limit the growth of desirable aquatic plants in surface waters and protect disease-causing microorganisms. (cdc.gov)
Includes arsenic and copper, which can contaminate surface waters and possibly harm human health. (cdc.gov)

An excessively high level of nutrients in plankton as pollutants, including nitrogen, enter the sea from land. (postech.ac.kr)

Nitrate or phosphates from waste-waters or fertilizers causes eutrophication. (kit.edu)
Nitrates, which are transformed from nitrogen in manure or from fertilizers, are the most commonly found contaminant in drinking water wells. (cdc.gov)

Organic water pollutant (BOD) emissions (kg per day). (nationmaster.com)
Emissions of organic water pollutants are measured by biochemical oxygen demand, which refers to the amount of oxygen that bacteria in water will consume in breaking down waste. (nationmaster.com)
The first five chapters present an analysis of the emerging water pollutants, their toxicities, legislations available to monitor and regulate their emissions. (benthambooks.com)
He added, "The findings can be used as important scientific evidence for establishing environmental policies, such as setting nitrogen pollutant emissions. (postech.ac.kr)
This dataset Contains Saudi Arabia Emissions of Air or Water Pollutants for the period 2010-2018. (kapsarc.org)

All over the world, lakes, rivers, and coastal waters are threatened by high nutrient inputs. (kit.edu)
There has been frequent occurrence of red tide in coastal waters around Korea where the sea turns red. (postech.ac.kr)
The researchers analyzed the nutrient *3 concentration data and the occurrence of red tide in the East China seas and coastal waters of the Korean Peninsula in the past 40 years since the 1980s. (postech.ac.kr)
In particular, it has been confirmed that the major phytoplankton in Korea's coastal waters are also changing from diatoms to dinoflagellates. (postech.ac.kr)
Since the changes in the waters near Ieodo Ocean Research Station will soon occur in the waters near the Korean Peninsula, long-term observation of the concentration of nutrient in the coastal waters and changes in the ecosystem are necessary," proposed Professor Kitack Lee who led the study. (postech.ac.kr)

So, this work investigated the effect of two different preparation media [Bold's Basal Medium (BBM) and Domiati cheese whey (DCW)] for agricultural drainage water (ADW) remediation. (techscience.com)
This reference is equally suitable for academia, industry professionals and students, presenting state-of-the-art learnings on emerging water pollutants and their remediation methods. (benthambooks.com)

This work provides the largest available high-quality dataset of emerging pollutants detected in South African urban waters. (springer.com)

They combine various technologies in a depth profile-measuring multi-sensor buoy for monitoring water bodies and in particular algae growth. (kit.edu)
The buoy will be used to measure a number of parameters, such as temperature, oxygen concentration, algae content, and greenhouse gases, at the point of interest (in situ) as well as for remote water sampling. (kit.edu)
Excess nitrates and phosphates in water promote the growth of algae , sometimes causing unusually dense and rapid growths known as algal blooms . (britannica.com)
Nitrogen and phosphorus make algae grow and can turn water green. (medlineplus.gov)

At Water by Design we are always looking to improve the service we provide to the stormwater industry. (waterbydesign.com.au)
Stormwater detention basins, retention basins, and concrete stormwater pits are vital in keeping pollutants from accessing water sources. (sweetsofties.com)
Stormwater runoff can be temporarily contained and managed by these structures, allowing sediments and impurities to settle before the water is released. (sweetsofties.com)
Concrete stormwater pits are the most effective in cleaning runoff of pollutants. (sweetsofties.com)
Concrete stormwater pits encourage water resilience and appropriate land use by balancing urban growth and environmental conservation. (sweetsofties.com)
The ecological health of communities is improved, water quality is protected, and ecosystems are preserved thanks to this sustainable approach to stormwater management. (sweetsofties.com)
Concrete stormwater pits are a practical method of collecting and storing runoff water. (sweetsofties.com)

From steep slopes with turbulent, fast-flowing water eroding sediment through to slow moving rivers on plains depositing sediment on river beds and river banks. (futurelearn.com)

Persistent organic pollutants (POPs) including legacy POPs (PCBs, chlordanes, mirex, DDTs, HCB, and dieldrin) and polybrominated diphenyl ether (PBDE) flame retardants were determined in 300 blubber biopsy samples from coastal and near shore/estuarine male bottlenose dolphins (Tursiops truncatus) sampled along the US East and Gulf of Mexico coasts. (nist.gov)

As organics are decomposed naturally in the sewage by bacteria and other microorganisms, the dissolved oxygen content of the water is depleted. (britannica.com)
The fluorescent light produced by the pollutants and bacteria bounces around and is trapped inside the jet, which acts as a waveguide, a tunnel that channels light through the stream. (opli.net)
Bacteria, often from sewage spills, can pollute fresh or salt water. (medlineplus.gov)

and designing the agriculture-livestock scenarios with low environmental costs in the Three gorges reservoir area by introducing pollutants emission reduction technologies and policies. (sense.nl)
On July 29, 2021, NOAA Fisheries gave the U.S. Environmental Protection Agency (EPA) its final biological and conference opinion on EPA's Pesticide General Permit (PGP) issued under the Clean Water Act. (noaa.gov)
In a paper published in Environmental Science & Technology, a team led by Dan Giammar, the Walter E. Browne Professor of Environmental Engineering, looked at if -and if so, how - pH and other factors affected the ability of engineered nanoparticles to clear water of hexavalent chromium, a pollutant which poses a public safety risk when found in drinking water. (wustl.edu)
POPs enter the gas phase under certain environmental temperatures and volatilize from soils, vegetation, and bodies of water into the atmosphere, resisting breakdown reactions in the air, to travel long distances before being re-deposited. (wikipedia.org)
Urban waters are under increasing environmental threat from emerging pollutants (EPs) originating from inputs of pharmaceuticals and personal care products (PPCPs) as well as household, agricultural and industrial chemicals (Archer et al. (springer.com)
Professor Kitack Lee and Ph.D. candidate Ji-Young Moon (first author) of POSTECH's Division of Environmental Science and Engineering have confirmed that the inflow of nitrogen pollutants since the 1980s has disturbed the nutrient balance in the northeast Asian waters and is changing the species of phytoplankton responsible for red tide. (postech.ac.kr)
There is slightly good news as the EPA (Environmental Protection Agency) announced new drinking water health advisories for PFAS and PFOS chemicals in June. (gopurepod.com)
Persichetti and his colleagues found that the device was extremely sensitive: it could detect pollutant levels even lower than those allowed by the Environmental Protection Agency (EPA). (opli.net)
Protecting landscapes from erosion, avoiding siltation of water bodies, and bolstering environmental resilience are all benefits of erosion control. (sweetsofties.com)
The quality of drinking-water is a powerful environmental determinant of health. (who.int)
EHHE partnerships and programs, which include climate and health, environmental public health tracking, clean water for health, radiation and health, and air quality and asthma. (cdc.gov)

An Oregon NPDES pesticide general permit is required for some pesticide applications, in, over, or near waters of the state. (oregon.gov)

Using computer modeling as well as experimental evidence from waters with environmentally relevant compositions, the team found that the nanoparticles collected more hexavalent chromium as the pH decreased and that the presence of certain other chemicals also affected the efficacy of the nanoparticles. (wustl.edu)
Instead, they are releasing water that still contains everything from drugs and antibiotics to toxic chemicals into our ecosystem," said Michael Lake, President and CEO of Leading Cities . (thesmartcityjournal.com)
In some instances, the illegally discharged chemicals can find their way into private and public drinking water supplies. (ledgeviewwisconsin.com)
What Chemicals and Pollutants Affect Water Quality? (futurelearn.com)
Home / Nature & Environment / Climate Change / The Challenge of Global Water Security / What Chemicals and Pollutants Affect Water Quality? (futurelearn.com)
Even more substantial changes occur when hydrological events such as snowmelt, rainfall events or drought dilute or concentrate the amount of chemicals dissolved in the water. (futurelearn.com)
Even though the manufacturing industry has replaced PFAS and PFOS chemicals, they are named as "forever chemicals" because they've already contaminated our water systems and last thousands of years. (gopurepod.com)
In addition to water-safety applications, Persichetti says, future instruments can be designed with more sophisticated sensors to distinguish between a variety of chemicals or bacterial cells for biological and medical research. (opli.net)
However, rainwater and irrigation runoff wash pollutants, trash and chemicals into our storm drains. (projectcleanwater.org)
These "forever chemicals" pollute water, don't break down, and remain in the environment and people for decades. (ewg.org)
More than one-third of the chemicals found are not regulated in bottled water. (ewg.org)

Typical microfluidic detectors rely on narrow channels to hold and control the water samples with their fluorescing organic compounds. (opli.net)

The Central Valley Regional Water Quality Control Board was developing a general NPDES permit for dairies, but stopped when the Second Circuit Court of Appeals ruled that only facilities discharging to a water of the United States need a permit. (ca.gov)

These so-called 'hydrated electrons' are extremely reactive and can, for example, help break down pollutants. (scitechdaily.com)

The State Water Resources Control Board (State Water Board) and nine semiautonomous Regional Water Quality Control Boards (Regional Water Boards) protect water quality in California by regulating wastes including manure at CAFs. (ca.gov)

Aug. 10 (UPI) -- Exposure to common air and water pollutants can disrupt the structure and function of the mucosal system, according to a new study, the body's natural lubricant and first line of defense against infection. (upi.com)
PCB exposure is particularly rife in European waters. (earth.org)

Mar. 2, 2022 Membrane filters don't require much energy to purify water, making them popular for wastewater treatment. (sciencedaily.com)

The research team explained that this is direct evidence that the nutrient regime in the northeast Asian marginal sea is changing as the amount of nitrogen pollutants is increasing, which is further creating phytoplankton species and disrupting the marine ecosystem. (postech.ac.kr)

With only 1% of the world's water available for human consumption, the threat of pollutants entering our water supplies is dangerous to human health and the environment. (thesmartcityjournal.com)
The health of the world's water supplies is critically important to the planet's biodiversity, human prosperity, and ecological stability. (sweetsofties.com)

These disparities are also important in terms of health risks associated with poor water safety and may be further aggravated by the impact of climate change. (who.int)

Based on this depth profile of water bodies, comprehensive analysis of the processes influencing water quality is possible. (kit.edu)
Metals such as lead, nickel, cadmium, zinc, copper, mercury or aluminium enter freshwater ecosystems from a wide range of industrial processes, water leaching from landfills, some agricultural processes, and from activities such as mining. (futurelearn.com)

A review of pharmaceuticals occurring in water bodies worldwide indicated that non-steroidal anti-inflammatory drugs (NSAIDs), antibiotics and carbamazepine occur widely in Europe, Hong Kong and the USA (Fekadu et al. (springer.com)

The chemists at MLU rely on electrons moving freely in water, so-called hydrated electrons, to degrade dissolved pollutants. (sciencedaily.com)
To do so researchers only need a green LED light, a catalyst, and vitamin C. In this way, they can produce special types of electrons that reliably destroy the pollutants in the water. (scitechdaily.com)
Of particular interest are electrons, which are released by the light energy from their molecular compound in vitamin C and then exist freely in the water. (scitechdaily.com)

Assessment Part What are the trends in releases to water from industry? (europa.eu)
The scope of KWB's research activities primarily involves water management issues focussing on managed aquifer recharge (MAR) and Life Cycle Assessment (LCA). (kompetenz-wasser.de)
This introduction is followed by 3 chapters that cover risk assessment of emerging pollutants, their fate and life cycle assessment. (benthambooks.com)
WHO is the implementing agency for the Global Annual Assessment of Sanitation and Drinking-Water, a UN-Water initiative. (who.int)

A good water quality is of enormous importance to society. (kit.edu)
The new multi-sensor system will determine water quality at various depths. (kit.edu)
Water is a precious resource in California, and maintaining its quality is of utmost importance to safeguard the health of the public and the environment. (ca.gov)
Putrescible organic matter presents a different sort of threat to water quality. (britannica.com)
Water quality varies naturally. (futurelearn.com)
Natural freshwater ecosystems vary widely in water quality. (futurelearn.com)
Physical factors that affect water quality, such as temperature, also vary. (futurelearn.com)
Natural variations in water quality also happen through time. (futurelearn.com)
They provide a systematic strategy for removing impurities and raising water quality. (sweetsofties.com)
Assurance of drinking-water quality has been a pillar of primary prevention for more than 150 years and continues to be the foundation for the prevention and control of waterborne diseases. (who.int)
The effects include higher levels of certain air pollutants, increased transmission of diseases from poor water quality, increased vector-borne diseases, disruption of health services, mass casualties and death. (who.int)

can grow in drainage water without dilution. (techscience.com)

Eventually those pollutants can be deposited in local waterways. (ledgeviewwisconsin.com)

Compounds that make up POPs are also classed as PBTs (persistent, bioaccumulative and toxic) or TOMPs (toxic organic micro pollutants). (wikipedia.org)
Plastic water bottles need to be replaced with reusable water bottles made with non-toxic materials. (gopurepod.com)

The team also found that the fastest change in the oceanic conditions *1 caused by this inflow of nitrogen pollutants is happening in the waters near the Ieodo Ocean Research Station, located downstream of the Changjiang River of China. (postech.ac.kr)
The Northeast Asia region, including Korea, China, and Japan, has seen an increase of nitrogen pollutants because of the rapid population growth and industrialization in modern times. (postech.ac.kr)
As the nitrogen pollutant flows into the sea as a result of floods and monsoons, northeast Asian waters have experienced an unexpected massive fertilization. (postech.ac.kr)
At the same time, the team verified that the fastest place to see these oceanic changes due to the inflow of nitrogen pollutants was in the waters around Ieodo Ocean Research Station. (postech.ac.kr)

Yet, promoting access to safe drinking-water and basic sanitation for large population groups also has a potentially substantial impact on progress towards meeting the targets of the health-related Goals 4 (Reduce child mortality), 5 (Improve maternal health) and 6 (Combat HIV/AIDS, malaria and other diseases). (who.int)

These pollutants have devastating effects on underwater wildlife as well as human health. (thesmartcityjournal.com)
Because they can be transported by wind and water, most POPs generated in one country can and do affect people and wildlife far from where they are used and released. (wikipedia.org)

The main objective is to facilitate the authorization of new MAR sites taking into account the requirements of the European Water Framework Directive as well as of the European Groundwater Directive. (kompetenz-wasser.de)
You may already know about the first four on the list, but the main pollutant that the U.S. government is focused on battling today is PFAS. (gopurepod.com)

It is important to ensure that AFOs are positioned correctly so that runoff does not impact nearby waterways, wells or other water sources. (cdc.gov)

Access to clean drinking water remains an issues around the globe, with 663 million people lacking access to safe water sources. (electrochem.org)
As a result, erosion in the area downstream is reduced, and sediment is kept out of water sources. (sweetsofties.com)
Depending on water sources, AFOs can pose a potential risk for contaminating agricultural crops. (cdc.gov)
Other disparities are observed, between different socioeconomic strata and, within the group that has access to improved sources of drinking-water, between those with minimum service levels and those receiving piped water on their premises. (who.int)

In the definitive host, the cercariae mature to adults and lay eggs that are discharged with the host feces into the environment and surrounding bodies of water. (cdc.gov)

Open to any wastewater treatment plant or industrial water processor, AcceliGOV is accepting applications until mid-March for this pilot, worth $100,000. (thesmartcityjournal.com)

The purpose statement of the agreement is "to protect human health and the environment from persistent organic pollutants. (wikipedia.org)

You may know all about what happens to water aboveground, but what do you know about groundwater? (britannica.com)

Anatomy1

Chemicals and Drugs14

Phenomena and Processes2

Disciplines and Occupations1

Health Care7

The epizootiology and pathogenesis of thyroid hyperplasia in coho salmon (Oncorhynchus kisutch) in Lake Ontario. (1/492)

A comparison of the reproductive physiology of largemouth bass, Micropterus salmoides, collected from the Escambia and Blackwater Rivers in Florida. (2/492)

The role of humic substances in drinking water in Kashin-Beck disease in China. (3/492)

Microbial communities associated with anaerobic benzene degradation in a petroleum-contaminated aquifer. (4/492)

Associations between stomach cancer incidence and drinking water contamination with atrazine and nitrate in Ontario (Canada) agroecosystems, 1987-1991. (5/492)

Effects of nonylphenol and 17beta-estradiol on vitellogenin synthesis and testis morphology in male platyfish Xiphophorus maculatus. (6/492)

Drinking water turbidity and gastrointestinal illness in the elderly of Philadelphia. (7/492)

Lung function decline in 4-monthly repeated spirometric measurements: due to silt aerosol exposure or decreasing effort? (8/492)

Water Pollutants

Water Pollutants, Radioactive

Water

Air Pollutants

Water Pollutants, Chemical

Environmental Pollutants

Water Supply

Nitrogen Dioxide

Fresh Water

Ozone

Air Pollution

Sulfur Dioxide

Body Water

Environmental Monitoring

Water Pollution

Particulate Matter

Water Purification

Environmental Exposure

Soil Pollutants

Vehicle Emissions

Hydrocarbons, Chlorinated

Polychlorinated Biphenyls

Water Movements

The epizootiology and pathogenesis of thyroid hyperplasia in coho salmon (Oncorhynchus kisutch) in Lake Ontario. (1/492)

A comparison of the reproductive physiology of largemouth bass, Micropterus salmoides, collected from the Escambia and Blackwater Rivers in Florida. (2/492)

The role of humic substances in drinking water in Kashin-Beck disease in China. (3/492)

Microbial communities associated with anaerobic benzene degradation in a petroleum-contaminated aquifer. (4/492)

Associations between stomach cancer incidence and drinking water contamination with atrazine and nitrate in Ontario (Canada) agroecosystems, 1987-1991. (5/492)

Effects of nonylphenol and 17beta-estradiol on vitellogenin synthesis and testis morphology in male platyfish Xiphophorus maculatus. (6/492)

Drinking water turbidity and gastrointestinal illness in the elderly of Philadelphia. (7/492)

Lung function decline in 4-monthly repeated spirometric measurements: due to silt aerosol exposure or decreasing effort? (8/492)

Persistent organic pollutant

Conventional pollutant

Legacy pollution

U. C. Chaturvedi

Stenotrophomonas acidaminiphila

Kartsakhi Lake

Paweł Rowiński

Brinkworth Brook

List of dams and reservoirs of the Susquehanna River

Phytotechnology

Pollutant

Methoxychlor

Escravos River

Stormwater

Winged mapleleaf

Consent decree

Water Framework Directive

Jennifer Provencher

Particulates

Cruise ship

Cruise ship pollution in the United States

Noemí Zaritzky

Shaily Mahendra

Environmental impact of the oil shale industry

Yangjaecheon

Salvinia molesta

Water politics

Application of biofilms in industry

Zebra mussel

Gowanus Canal

Common air, water pollutants disrupt mucus structure, function - UPI.com

Mere sunlight can be used to eradicate pollutants in water | ScienceDaily

State of Oregon: Water - National Pollutant Discharge Elimination System (NPDES)

Releases of water pollutants and gross value added (GVA) for industry (EEA-33) - European Environment Agency

Bottlenose Dolphins as Indicators of Persistent Organic Pollutants in Waters Along the US East and Gulf of Mexico Coasts | NIST

Meet the Pollutants - Water by Design

Chemists Develop Simple Method to Break Down Water Pollutants

Water | Free Full-Text | Stormwater Runoff Characteristics and Effective Management of Nonpoint Source Pollutants from a...

Water | Free Full-Text | Responses of Bacterial Taxonomical Diversity Indicators to Pollutant Loadings in Experimental Wetland...

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Countries Compared by Environment | Pollution | Organic water pollutant | BOD emissions | Kg per day. International Statistics...

KIT - KIT - Media - Press Releases - Archive Press Releases - Smart Buoy for Measuring Water Pollutants

National Pollutant Discharge Elimination System (NPDES) | California State Water Quality Control Board

Identifying technical synergy effects for organic micro-pollutants removal | Water Practice & Technology | IWA Publishing

Pollutants - Water Research Guide - Research Guides at University of Wisconsin-Madison

Citations: Effect of Some Water Pollutants on the Biology of the Nile Bolti, Oreochromis niloticus

Treatment of Emerging Pollutants in Water and Wastewater (DEMEAU) | Kompetenzzentrum Wasser Berlin

Multi-pollutant assessment and solutions for clean water in Three Gorges Reservoir area in China - SENSE

At UN meeting, governments agree to a global ban on PFOA - a toxic water pollutant | IPEN