SubstancesSubstanceChlorine atomsCompoundsOrganicBiologicalExposureGuidelinesHydrocarbonsLaboratoryPotentiallyParticlesSolubility in waterContinuousPollutionContaminantsSoilWaste sitesHarmfulAnimalFormationAgentsIndustrialTechniquesEffectsMaterialDataReducePhysical or chemicalApplicationsProductsFuelHealthApplicationValuesSurfaceItemsUnit
Substances8
- 2001. Threshold limit values for chemical substances and physical agents and biological exposure indices. (cdc.gov)
- It is one in a series of Public Health Statements about hazardous substances and their health effects. (cdc.gov)
- Inhibitory characteristics of different substances are usually evaluated based on testing the impact of respective substance on activated sludge nitrification or oxygen uptake rates. (iwaponline.com)
- 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. (lookformedical.com)
- These discharged substances from industries contaminate waters, and the increase of normal concentrations of microorganism had raised concerns, leading to the generation of regulations that would enhance public health and improve water quality. (ncsu.edu)
- Specifically designed for low risk operations, it can be used in a variety of applications such as when taking measurements or transferring hazardous substances in non-explosive atmospheres. (draeger.com)
- Dräger protective suits can be used to protect for a large number of hazardous substances. (draeger.com)
- 99.75 % ) 13 2 propanol ip: 45 g / isopropanol, 1 propanol: 30 g / n propanol ethyl hexadecyl dimethyl ammonium ethylsulphate: 0.2 g emollient and moisturiser with skin protecting substances 500 ml bott with dispenser passes en 13727, en13624, en14476, en1500, en12791 standards, pack size: 500 ml bottle 14 4 methylumbelliferone ( 100gm ) ( purity ( hplc ) =98 %, mol. (jharkhandtenders.net)
Substance2
- The effects of exposure to any hazardous substance depend on the dose, the duration, how you are exposed, personal traits and habits, and whether other chemicals are present. (cdc.gov)
- The total amount of a chemical, metal or radioactive substance present at any time after absorption in the body of man or animal. (lookformedical.com)
Chlorine atoms2
- The CDD family is divided into eight groups of chemicals based on the number of chlorine atoms in the compound. (cdc.gov)
- Phenols substituted with one or more chlorine atoms in any position. (lookformedical.com)
Compounds4
- They synthesized MCPA from the corresponding phenol by exposing it to chloroacetic acid and dilute base in a straightforward substitution reaction: 2-methyl-4-chlorophenol + ClCH2CO2H + base → MCPA + base·HCl (hydrochloric acid) By the end of 1941 it was clear to the Templeman group that MCPA was one of the most active compounds tested but other auxin herbicides including 2,4-D were also effective. (wikipedia.org)
- The approach was designed to remove the lower molecular weight compounds, which are the more soluble and mobile fraction of the contamination, via chemical oxidation while cementing the remaining higher molecular weight fraction of the tar in place. (fmc.com)
- Furthermore, the rise in industrial activities, especially those that use secondary compounds and high amounts of water in their processes, has increased the concentration in water sources of pollutants, such as metals, radioactive materials, halogenated compounds, persistent organic pollutants, and bioaccumulative and toxic chemicals, such as pesticides. (ncsu.edu)
- 2020) Extraction and phytoanalysis of chemical compounds of Eucalyptus globulus leaf native to Dehloran, Ilam province, Iran by HS-SPME and GC-MS. Advances in Animal and Veterinary Sciences. (ac.ir)
Organic2
- CDDs occur as a contaminant in the manufacturing process of certain chlorinated organic chemicals, such as chlorinated phenols. (cdc.gov)
- Organic chemicals are now listed alphabetically, without categorization. (pdfslide.net)
Biological5
- Since MCPA is extensively used in the USA, the extensively dispersed MCPA and its biological and photochemical metabolites might be deemable as environmentally hazardous. (wikipedia.org)
- 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. (lookformedical.com)
- Bulk transport of the mass of discrete chemical or biological constituents by fluid flow within a receiving water. (itrcweb.org)
- The rate or movement of chemical or biological materials within a groundwater system per unit time in response to a concentration gradient or some advective force. (itrcweb.org)
- Hexadecane is removed from soil and water by various methods, such as physical, thermal, chemical and, biological methods. (shuibiao001.com)
Exposure1
- Uncontrolled release of a chemical from its containment that either threatens to, or does, cause exposure to a chemical hazard. (lookformedical.com)
Guidelines3
- This information is distributed solely for the purpose of pre-dissemination peer review under applicable information quality guidelines. (cdc.gov)
- Schedule XIII: Guidelines for Hazardous Waste Management/Techniques for Treating Wastewater. (lawnigeria.com)
- The World Health Organization (WHO) has provided recommendations for the levels of each contaminant, and these can be found in the Guidelines for Drinking-water Quality, 2011 (World Health Organization 2014). (ncsu.edu)
Hydrocarbons5
- A chemical by-product that results from burning or incinerating chlorinated industrial chemicals and other hydrocarbons. (lookformedical.com)
- AH receptors are identified by their high-affinity binding to several carcinogenic or teratogenic environmental chemicals including polycyclic aromatic hydrocarbons found in cigarette smoke and smog, heterocyclic amines found in cooked foods, and halogenated hydrocarbons including dioxins and polychlorinated biphenyls. (lookformedical.com)
- A group of chemicals (also known as paraffins or aliphatic hydrocarbons) for which the carbon atoms are all linked by single covalent bonds. (itrcweb.org)
- A group of chemicals (also known as paraffins or aliphatic hydrocarbons) for which the carbon atoms contain at least one double bond. (itrcweb.org)
- Klozur® SP is the oxidant of choice for in situ chemical oxidation (ISCO), because of its ability to treat a wide range of contaminants including chlorinated solvents, petroleum hydrocarbons and PAHs. (fmc.com)
Laboratory2
- Hydrazine (N 2 H 4 ) is a vital laboratory and manufacturing chemical discovered by German scientists. (jchemrev.com)
- 0.01 ( 1000 ppm ) 28 absolute alcohol 500 ml 29 ace control level 1 100 ml 30 acetamide agar 500 gm 31 acetic acid 500ml ( laboratory chemical ) only for industrial, institutional and research purposes, not for drug 32 acetic acid 2.5 ltrs 33 acetic acid 200 ml 34 acetic acid 250 ml 35 acetone 25 ml 36 acetone 5 l mol. (jharkhandtenders.net)
Potentially2
- For this reason, the skin is often exposed to potentially hazardous agents, including chemicals, which may contribute to the onset of a spectrum of adverse health effects ranging from localized damage (e.g., irritant contact dermatitis and corrosion) to induction of immune-mediated responses (e.g., allergic contact dermatitis and pulmonary responses), or systemic toxicity (e.g., neurotoxicity and hepatoxicity). (cdc.gov)
- In meeting this objective, this Skin Notation Profile intends to inform the audience--mostly occupational health practitioners, researchers, policy- and decision-makers, employers, and workers in potentially hazardous workplaces--so that improved risk-management practices may be developed to better protect workers from the risks of skin contact with the chemicals of interest. (cdc.gov)
Particles2
- Additionally, Adsorption is defined as the process by which nutrients such as inorganic phosphorous adhere to particles via a loose chemical bond with the surface of clay particles. (itrcweb.org)
- Where complete protection against hazardous gases, liquids and particles is of the utmost priority, this lightweight garment is the suit of choice. (draeger.com)
Solubility in water1
- It is a yellowish green gas with high solubility in water and is a very powerful oxidizing chemical. (ionic.co.in)
Continuous2
- They are designed to meet the requirements of national, regional and state-specific accreditation bodies (TNI, USEPA, UKAS) for quality assurance and continuous improvement. (sigmaaldrich.com)
- For surface water samples, because releases from hazardous waste sites are often continuous and long-term, concentrations are most often compared directly with chronic benchmarks, when available. (pdfslide.net)
Pollution2
- Thus, treatment approaches to reduce the hazardous effects of hexadecane pollution are needed. (shuibiao001.com)
- As water quality is a global concern, the use of natural and sustainable materials is fundamental to obtain high value products that can remediate water systems without generating other pollution sources or require extra energy inputs or high side costs. (ncsu.edu)
Contaminants1
- In situ chemical oxidation (ISCO) is the introduction of an oxidant into the subsurface for the purpose of oxidizing contaminants in soil and groundwater. (fmc.com)
Soil2
- Bridged Nucleic Acids (BNAs) in Soil - PT proficiency testing material is produced in accordance with ISO/IEC 17043:2010. (sigmaaldrich.com)
- BNAs in Soil - PT is a soil/hazardous waste (soil/HW BNAs) proficiency testing material, suitable for testing the BNAs in soil samples. (sigmaaldrich.com)
Waste sites1
- The Environmental Protection Agency (EPA) identifies the most serious hazardous waste sites in the nation. (cdc.gov)
Harmful1
- As a result, people are exposed to harmful chemicals through several sources [4, 5]. (jchemrev.com)
Animal1
- Animal test alternatives: Refinement, reduction, replacement. (cdc.gov)
Formation1
- No chlorophenol formation - Chlorine combines with phenols to form chlorophenols, causing taste and odor problems. (ionic.co.in)
Agents1
- The CPS 5900 provides excellent protection against a broad range of industrial chemicals as well as warfare agents. (draeger.com)
Industrial1
- A common source of the contaminant in drinking water is from the discharge from industrial chemical factories. (fmc.com)
Techniques1
- Yet, the dependency on energy and chemical-intensive activation techniques, such as ultraviolet radiation and transition metal ions, constrains their widespread adoption. (bvsalud.org)
Effects1
- This document provides the scientific rationale and framework for the assignment of multiple hazard-specific skin notations (SK) that clearly distinguish between the systemic effects, direct (localized) effects, and immune-mediated responses caused by skin contact with chemicals. (cdc.gov)
Material2
- ICI's decision to commercialize MCPA (rather than 2,4-D, for example) was influenced by the fact that ICI had access to 2-methyl-4-chlorophenol and following extensive field trials the material was first made available to UK farmers in 1946, as a 1% dust. (wikipedia.org)
- The material and production quality allow for a ten-year shelf life. (draeger.com)
Data1
- The PT portfolio allows our test components to offer significant performance data to monitor and prove competency to customers, accreditation bodies or both. (sigmaaldrich.com)
Reduce1
- In water and waste water treatment, we can reduce Capex by intelligent and innovative solutions, reduce water consumption, reduce power, reduce chemicals, reduce consumables and maintenance, increase productivity and reduce waste discharge. (ionic.co.in)
Physical or chemical2
- 32. Spot Sampling for physical or Chemical parameters. (lawnigeria.com)
- 33. Composite sampling for physical or chemical parameters. (lawnigeria.com)
Applications1
- Because it is inexpensive, MCPA is used in various chemical applications. (wikipedia.org)
Products1
- Supelco ® is a global proficiency testing (PT) provider that manufactures best-in-class environmental and pharmaceutical PT products. (sigmaaldrich.com)
Fuel2
- 16. Management of Chemicals, Oil Station and Fuel Dumps site. (lawnigeria.com)
- Hydrazine is commonly used in numerous fields, such as catalysis, medical, chemical, fabric dyes, farming industries, and as a monopropellant and bipropellant rocket fuel in aerospace industries [9-11]. (jchemrev.com)
Health2
Application1
- Whether taking pre entry measurements, transferring liquids, or responding to emergencies: Dräger offers a large range of chemical protective suits - tailor-made for a large variety of application areas. (draeger.com)
Values1
- Also, some local authorities have generated their own standards, such as the European Union's Directives on the Quality of Water intended for Human Consumption (The European Commission 2015), where they considered the WHO recommendations and some other ISO standards to set the parameters values that should be followed by all of their members for 5 microorganisms and 35 principal components. (ncsu.edu)
Surface2
- Non-covalent bonding of a chemical to a solid surface. (itrcweb.org)
- Preference for surface water and groundwater benchmarks is given to U.S. EPA Ambient Water Quality Criteria (AWQC). (pdfslide.net)
Items1
- 40861669 tender for supply of chemical items at rims, ranchi 1 list of chemicall items : 2 20*c mini cooler ( it should be made up of polycarbonate and non toxic gel, must contain atleast 12 places for 1.5ml tube. (jharkhandtenders.net)
Unit1
- Following a successful bench test, a full-scale remotely controlled injection unit was used for implementation of alkaline activated Klozur® persulfate. (fmc.com)