• Arsenic is a naturally occurring element found in soils and groundwater. (environmental-expert.com)
  • Arsenic usually exists in two different forms, or valences, in a natural setting depending on the amount of oxygen available in groundwater. (environmental-expert.com)
  • Just like arsenic, some elements from rocks called radionuclides erode through rivers over time, polluting groundwater sources. (waterdefense.org)
  • most arsenic in groundwater comes from natural rock formations, and it's a deadly poison. (mytapscore.com)
  • Arsenic naturally occurs within the ground and is a byproduct of coal-burning, so it enters groundwater from existing deposits and pollution. (aqualiteus.com)
  • Nitrates naturally occur in surface and groundwater at lower levels. (aqualiteus.com)
  • Arsenic, for example, exists in high levels in the groundwater of the U.S., China, and India. (undark.org)
  • Arsenic can be then gradually accumulated in different food sources, such as vegetables, rice and other crops, but also in seafood, etc., and in water sources (mainly in groundwater, but also to a lesser extent in surface water), potentially used as drinking-water supplies, provoking their contamination and therefore potential health problems to the consumers. (encyclopedia.pub)
  • Contamination of water by arsenic, especially groundwater, due to arsenic's high toxicity, is considered a major health issue in various areas worldwide. (encyclopedia.pub)
  • Moderate to high levels of arsenic contamination occur in groundwater throughout eastern Wisconsin. (confex.com)
  • Previous studies have shown that oxidative dissolution of arsenic-bearing sulfide minerals is the mechanism controlling high levels of arsenic contamination in the Fox River valley in east-central Wisconsin (Schreiber, M.E., J.A. Simo, and P.G. Freiberg, Stratigraphic and geochemical controls on naturally occurring arsenic in groundwater, eastern Wisconsin, USA, Hydrogeol. (confex.com)
  • However, neither the source of arsenic nor the mechanism of arsenic release to the groundwater in this region has been determined. (confex.com)
  • Ongoing work includes efforts to identify geologic and hydrogeologic controls on arsenic concentrations by comparing groundwater chemistry data to information about well construction, lithology, bedrock topography, stratigraphy, and groundwater flow regimes. (confex.com)
  • Data sources for this analysis include existing groundwater chemistry data, archived core and cuttings samples, and well construction reports. (confex.com)
  • Extensive groundwater sampling in arsenic-impacted areas will provide additional chemistry data. (confex.com)
  • The Dartmouth program has been steadily working on research and public education about the arsenic that naturally appears in our groundwater for years, which is one of the reasons that the subject is taken seriously here. (concordmonitor.com)
  • Virtually all of the arsenic in our groundwater is natural. (concordmonitor.com)
  • Contact your Local Health Department to determine if arsenic has been detected in local groundwater. (ny.gov)
  • greater than 5 g/cm3 which are found naturally on the Chronic exposure to arsenic by drinking groundwater earth in very small amounts. (who.int)
  • On June 1, the government agency announced its limit of 10 parts per billion (ppb) for inorganic arsenic in apple juice. (eatthis.com)
  • In a 2018 test of 45 popular fruit juices, all but one of the juices had inorganic arsenic levels below 10 ppb, while 58% had levels below 3 ppb, which means the more rigorous standard is very much attainable. (eatthis.com)
  • Meanwhile, exposure to inorganic arsenic has been connected to a range of health issues, including cancer, diabetes, adverse birth outcomes, as well as cardiovascular and neurodevelopmental effects. (eatthis.com)
  • The agency wrote, "…if testing identifies inorganic arsenic in apple juice above 10 ppb, the FDA will consider this action level, in addition to other factors, to determine whether to take enforcement action. (eatthis.com)
  • Water sources in some parts of the United States have higher naturally occurring levels of inorganic arsenic than other areas. (latesting.com)
  • Other inorganic arsenic compounds may vary somewhat in relative toxicity, and organic arsenic compounds appear to be essentially nontoxic. (cdc.gov)
  • the guidelines for decontamination and medical treatment are applicable for exposure to arsenic and inorganic arsenic compounds, including arsenic trioxide. (cdc.gov)
  • Arsenic occurs naturally in soil and many kinds of rock (especially minerals and ores that contain copper and lead) as inorganic arsenic. (cdc.gov)
  • Inorganic arsenic compounds have been used as pesticides, but can no longer be used in agriculture. (cdc.gov)
  • OSHA PEL (permissible exposure limit) = 10 µg/m 3 as an 8-hour TWA concentration (as As) for inorganic arsenic (OSHA 2006). (cdc.gov)
  • In a recent paper , they found that rice plants treated with both inorganic arsenic, the element's more toxic form, and nanosulfur accumulated nearly a third less of the toxin in root tissue than plants exposed to inorganic arsenic alone. (undark.org)
  • The chemical speciation of arsenic influences its toxicity and many organic forms of arsenic are presumed to have lower toxicity, such as in certain types of seafood, but most of the arsenic found in drinking water and rice is inorganic-the most toxic form. (biomedcentral.com)
  • Arsenic trioxide (an odorless, tasteless, white or transparent, nonflammable solid) is one of the most toxic and prevalent forms of arsenic. (cdc.gov)
  • Eye exposure to arsenic pentoxide can cause irritation, but it is not associated with systemic toxicity. (cdc.gov)
  • Literature data was used to compare arsenic exposure from rice consumption relative to exposure arising from drinking water. (biomedcentral.com)
  • The exposure to arsenic from rice consumption can easily be equivalent to or greater than drinking water exposure that already exceeds standard risks and is based on feasibility and cost-benefit compromises. (biomedcentral.com)
  • Arsenic concentrations in rice should be regulated so as to roughly equate the risks and exposure levels observed from drinking water. (biomedcentral.com)
  • LA Testing provides analytical services and sampling supplies to identify environmental and occupational arsenic exposure hazards. (latesting.com)
  • Approved substances are naturally derived and quickly degrade by weather, or else they are easily broken down by microbes in the environment, lowering the chance of human exposure. (rodaleinstitute.org)
  • Ingestion is the most important route of acute exposure of arsenic trioxide. (cdc.gov)
  • Contaminated soil may also be a source of significant arsenic exposure in children, although it is not likely that children would ingest sufficient arsenic-contaminated soil to cause significant acute toxicity. (cdc.gov)
  • Kokkinos E, Khosravi-Darani K, Rehman Y, Katsoyiannis I, Zouboulis A. Arsenic Exposure via Contaminated Water and Food Sources. (encyclopedia.pub)
  • Arsenic Exposure via Contaminated Water and Food Sources" Encyclopedia , https://encyclopedia.pub/entry/24387 (accessed November 28, 2023). (encyclopedia.pub)
  • Relevant research showed that the long-term exposure to elevated concentrations of arsenic can threaten human health, causing a variety of health disorders, including skin lesions (e.g., keratosis, pigmentation) and various internal and skin cancers [ 4 ] . (encyclopedia.pub)
  • The continuous exposure of humans to arsenic via food and water consumption can lead to serious health damages, because this is a carcinogenic element with high affinity for thiols. (encyclopedia.pub)
  • Long-term exposure to high levels of arsenic can have harmful effects on health. (hormonelab.co.uk)
  • Arsenic may be also be found in water supplies worldwide, leading to exposure of shellfish, cod, and haddock. (kenrico.com)
  • Radon exposure is the second-leading cause of lung cancer.7 Radon is a colorless, odorless radioactive gas that exists naturally in soil. (hopefromwithin.org)
  • It can also exist due to the use of arsenic-based pesticides or from industrial activities. (eatthis.com)
  • In North America, DDT began to replace arsenic pesticides in the early 1950s. (biomedcentral.com)
  • The higher concentrations of arsenic in fruit juices are presumed to arise from the arsenic remaining in the soils of orchards where the As-pesticides were spread. (biomedcentral.com)
  • The residual arsenic from the pesticides in the soil is taken up by the plant roots and partly transferred to the fruit. (biomedcentral.com)
  • Some organic arsenic compounds may be used as pesticides or as additives in animal feed. (cdc.gov)
  • In the mid-20th century, arsenic was also widely used to produce pesticides, and for the production of wood preservatives [ 5 ] . (encyclopedia.pub)
  • Arsenic was part of pesticides once used on orchards and other farm sites, so some has entered the soil through human activity, but that appears to be a minor component. (concordmonitor.com)
  • Arsine gas is a common byproduct produced by the manufacturing of pesticides that contain arsenic. (kenrico.com)
  • An estimated 2 million people or more in the United States may be exposed to levels of arsenic above the federal limit of 10 parts per billion. (snexplores.org)
  • The 4 most common heavy metals concerning food consumption are lead, arsenic, mercury, and cadmium. (planetprotein.com)
  • Cadmium, lead, arsenic, and mercury… these metals are all components of the Earth's crust and exists naturally in soil. (hippieshine.com)
  • These flooded fields provide a cool, fertile environment for a healthy crop, but that same environment also allows contamination from toxic heavy metals, including arsenic , cadmium, lead, and mercury. (undark.org)
  • Action plans for arsenic, cadmium, and mercury aren't scheduled to be completed until 2024 at the earliest. (undark.org)
  • A higher level of ambient nickel with allergic diseases of humans are arsenic, cadmium, was associated with increased respiratory symptoms lead, nickel, chromium and manganese ( 8,9 ). (who.int)
  • However, whether the arsenic in water and food originates from anthropogenic contamination or geochemical processes makes no difference to its toxicity. (biomedcentral.com)
  • These four compounds naturally occur in our soil, but also exist as a byproduct of industrial activity and environmental contamination. (planetprotein.com)
  • What will be done to manage the contamination of Antimony and Arsenic etc. (naturally) in the geology of the area? (saveourmacleayriver.com)
  • As a result of past and current uses, arsenic contamination is currently considered a problem of great concern for the scientific community, found mainly in water sources, but also in food, threatening the health of millions of people. (encyclopedia.pub)
  • This paper summarizes the status of an ongoing study, the objectives of which are 1) to identify the source(s) of arsenic contamination and 2) to determine the mechanism(s) controlling arsenic mobilization in southeast Wisconsin. (confex.com)
  • The results of this work will aid in developing guidelines for siting, constructing, and operating wells in a manner that prevents or reduces the likelihood of arsenic contamination. (confex.com)
  • Heavy metals such as lead and arsenic exist in drinking water sources worldwide, largely as a result of industrial spills, mining, and other environmental contamination events. (eku.edu)
  • Alternatively, contamination may be linked to naturally-occurring inorganic chemicals such as arsenic and fluoride, which cause cancer and tooth/skeletal damage, respectively. (who.int)
  • If it is mined from the earth, the potential exists for lead, arsenic and mercury among others. (rainbowskysnaturally.com)
  • Mercury (Hg) in Dried Urine Spot: Mercury is a heavy metal that exists in different forms and is highly toxic. (hormonelab.co.uk)
  • Mercury, arsenic, and formaldehyde are naturally occurring, but would you want those on your skin or in your body? (healthyway.com)
  • After all, the International Agency for Research on Cancer (IARC) has classified arsenic and arsenic compounds as carcinogenic to humans. (latesting.com)
  • Arsenic compounds exist in a number of inorganic and organic forms. (cdc.gov)
  • Physical and chemical properties vary among the various arsenic compounds of toxicological concern. (cdc.gov)
  • Some industrial chemicals associated with lung cancer include arsenic, chromium compounds, nickel compounds as well as dust and fumes. (hopefromwithin.org)
  • The gallium atoms naturally arrange themselves on the underside of each droplet, then arsenic molecules are introduced to the graphene sheet. (futuristicnews.com)
  • once inside a droplet, the arsenic travels to the bottom, where it combines with the gallium atoms and they form into a crystalline structure. (futuristicnews.com)
  • After some minutes the hybrid finished product is ready â a graphene substrate covered with an array of one-micrometer-tall gallium/arsenic nanowires , evenly distributed in a hexagonal layout. (futuristicnews.com)
  • Ultra-pure silicon can be doped with boron, gallium, phosphorus, or arsenic to produce silicon, which is used in transistors, solar cells, rectifiers, and other solid-state devices widely used in the electronics industry. (actionext.com)
  • Food safety regulations must be put in place to prevent higher concentrations of arsenic in various drinks than those allowed in drinking water. (biomedcentral.com)
  • High concentrations of arsenic may occur naturally (e.g., due to erosion of minerals) in several areas, which are therefore contaminated, and by anthropogenic activities (e.g., industrial production and uses). (encyclopedia.pub)
  • For example, a recent study has found that the health of many people has been put at risk due to the presence of naturally occurring arsenic in drinking water wells! (lifewater.ca)
  • Little did anyone know that the clean water from the new shallow dug wells contained naturally occurring arsenic. (salisburypost.com)
  • Arsenic is a concern for the two in every 15 U.S. residents who draw their drinking water from private wells instead of city water systems. (snexplores.org)
  • In northwest Minnesota, Winger, population 220, is getting $600,000 to spend on a new water tower, part of a $2.5 million project that also calls for new wells and removal of naturally occurring arsenic from its drinking water. (startribune.com)
  • That is, without new wells coming online to offset the declines from existing wells, overall production falls. (olduvai.ca)
  • Preliminary work in southeast Wisconsin indicates that geologic and hydrogeologic conditions leading to a cluster of arsenic-impacted wells in this part of the state differ from those in the Fox River valley. (confex.com)
  • Water quality testing is important for new drinking water wells in addition to periodic evaluation of existing wells. (ny.gov)
  • In an internal EPA PowerPoint presentation obtained by the Tribune/Los Angeles Times Washington Bureau, staff members warned their superiors that several wells had been contaminated with methane and substances such as manganese and arsenic, most likely because of local natural gas production. (latimes.com)
  • CONCLUSION: In this largest epidemiologic study of arsenic and birth outcomes to date, we did not observe associations of modeled arsenic estimates in private wells with gestational age and found modest inverse associations with term birth weight. (cdc.gov)
  • Arsenic is a trace element that occurs naturally in rocks and is present in soils and water. (biomedcentral.com)
  • Arsenic occurs naturally. (snexplores.org)
  • It has existed for hundreds of years and still occurs naturally in both animals and humans in many parts of the world, including Asia, southern Europe, sub-Sahelian Africa and parts of Australia. (who.int)
  • Arsenic trioxide is produced during the smelting of ores that contain arsenic. (cdc.gov)
  • The presence of arsenic in ecosystems can originate from several natural or anthropogenic activities. (encyclopedia.pub)
  • Drinking-water, or water used for agricultural or recreational activities, can be polluted by naturally occurring carcinogenic contaminants, such as arsenic, or by anthropogenic pollutants, including chlorinated agents, perfluorinated alkylated substances, and metals. (who.int)
  • Many of these HMs, such contaminated with low levels of arsenic can be harmful as copper, chromium, iron, manganese and zinc, are es- for the respiratory system ( 10 ), and a high blood level of sential to health. (who.int)
  • Water: Arsenic pentoxide can be used to contaminate water. (cdc.gov)
  • When arsenic levels are found to be too high at a specific location, it may be necessary to treat water to remove it. (environmental-expert.com)
  • Arsenic is a naturally occurring element that can be found in the soil, air, or water. (eatthis.com)
  • Current arsenic regulations focus on drinking water without due consideration for dietary uptake and thus seem incoherent with respect to the risks arising from rice consumption. (biomedcentral.com)
  • Standard risk assessment paradigms show that arsenic regulations for drinking water should target a maximum concentration of nearly zero to prevent excessive lung and bladder cancer risks (among others). (biomedcentral.com)
  • If the existing water treatment plant were to have been rehabilitated, it would have been necessary to keep the plant in operation throughout construction. (mylongview.com)
  • The hazardous waste involved arsenic-contaminated wastewater which was the result of filtering spring water to remove naturally occurring arsenic. (latesting.com)
  • According to the Centers for Disease Control and Prevention (CDC), arsenic can enter the water supply from natural deposits in the earth or from industrial and agricultural pollution. (latesting.com)
  • This court ruling is a reminder that elevated levels of arsenic can be found in many water sources and that water utilities and companies that produce bottled water and beverages need to be sure they are following existing regulations," said Joseph Frasca, Senior Vice President of Marketing at LA Testing. (latesting.com)
  • It's also important that private well owners in many parts of California test their water for arsenic. (latesting.com)
  • Their water quality experts provide arsenic and other contaminant testing services in their laboratories across the state. (latesting.com)
  • The water solubility of arsenic salts varies depending on the salt. (cdc.gov)
  • Overexposure may result from relatively high levels of arsenic in drinking water and foods. (cdc.gov)
  • Pure water, often defined as water containing no minerals or chemicals, does not exist naturally in the environment. (lifewater.ca)
  • Safe drinking water, on the other hand, may retain naturally occurring minerals and chemicals such as calcium, potassium, sodium or fluoride which are actually beneficial to human health. (lifewater.ca)
  • Using and drinking clean well water that contains arsenic is deadly. (salisburypost.com)
  • Based on water samples taken in Bellbrook by Arthur on behalf of SOMR over several years, it clearly shows how the presence of antimony and arsenic levels in the river are impacted by rain and fire events. (saveourmacleayriver.com)
  • To our good fortune, water treatment plants and engineers exist to actively clean and monitor this water before it gets to your tap. (mytapscore.com)
  • SimpleLab, the maker of Tap Score, exists because untreated water can also carry a number of long term health risks. (mytapscore.com)
  • H Heavy metals are naturally present in the Earth's crust and make their way into aquifers and rivers when water travels through underground rock formations and dissolves the toxic elements. (undark.org)
  • The U.S. has led the world in the use of arsenic for agriculture and industry, and while insecticides with lead and arsenic were banned in the 1980s, soil, paddy water, and rice grains still have detectable levels of the toxins. (undark.org)
  • The World Health Organization (WHO) recommended the regulation limit (as imposed by the respective legislation) of arsenic concentration in drinking water at 10 μg/L [ 3 ] . (encyclopedia.pub)
  • This is also the limit of arsenic in drinking water imposed by the European Commission, the United States Environmental Protection Agency and other inter/national organizations. (encyclopedia.pub)
  • One of those times happened Friday when Gov. Chris Sununu signed a law lowering the amount of arsenic allowed in drinking water, putting New Hampshire in the unusual position of being way ahead of the pack on environmental regulation. (concordmonitor.com)
  • It seeps out of our bedrock into aquifers, and when we stick a straw into those underground water supplies we get the arsenic along with it. (concordmonitor.com)
  • Arsenic in water has long been shown to cause increased rates of bladder cancer and lung cancer, and it seems to be correlated with cardiovascular disease. (concordmonitor.com)
  • Water samples from older existing residences or residences with corrosive water (i.e., pH less than 6.5) should be tested for lead and copper. (ny.gov)
  • Building on the work of Marei et al, 2019, here we describe advances in using an electrochemical method for detection and quantification of lead and arsenic in water sources, in pursuit of an affordable, remotely-operated measurement platform. (eku.edu)
  • Arsenic in private well water and birth outcomes in the United States. (cdc.gov)
  • Study limitations may have obscured true associations, including measurement error stemming from a lack of individual-level information on primary water sources, water arsenic concentrations, and water consumption patterns. (cdc.gov)
  • Arsenic is a poisonous metalloid that naturally occurs in the Earth's crust, although it may also exist in trace amounts of minerals. (healeo.in)
  • Arsenic is a ubiquitous toxic metal, belonging in the metalloid group of the periodic table, found naturally in the lithosphere, hydrosphere, and atmosphere, as well as generally in the biosphere [ 1 ] . (encyclopedia.pub)
  • Arsenic (As) in Dried Urine Spot: Arsenic is a toxic metalloid that can be found naturally in the environment. (hormonelab.co.uk)
  • Though you can find cobalt just about everywhere-in the soil, in mineral deposits, and even in crusts on the seafloor-it's always combined with other elements like nickel, copper, iron, or arsenic, such as in the bright crimson arsenate mineral erythrite . (mentalfloss.com)
  • However, when it comes to herbal extracts, the chances of lead content are more.Lead content is naturally present in the soil and will thus be present in the plants and herbs from which we take the extracts. (healeo.in)
  • Natural chemical pollutants include nitrogen, arsenic, and toxins produced by bacteria. (waterdefense.org)
  • With super-strong chemical bonds between their carbon and fluorine atoms, these pollutants won't break down naturally in the environment. (snexplores.org)
  • Though the vapors actually arose from the arsenic also contained in the ores, when chemists later extracted cobalt from these minerals, the name stuck. (mentalfloss.com)
  • It was not until the 1730s that Swedish chemist George Brandt purified and identified cobalt from arsenic-containing ores, then another 50 years until Torbern Bergman, another Swede, verified Brandt's new element. (mentalfloss.com)
  • The toxicity of arsenic is well known: given its prominence in fiction and historical poisonings, it may be the most recognized toxic element in the periodic table. (biomedcentral.com)
  • The toxicity of a particular arsenic compound depends in part on its solubility. (cdc.gov)
  • Arsenic trioxide dust is readily absorbed from the lungs, but inhaled quantities are usually insufficient to cause acute systemic toxicity. (cdc.gov)
  • Future work will include sequential extraction experiments on arsenic rich core samples to characterize the solid phases with which arsenic is associated. (confex.com)
  • Arsenic is released into the environment by the smelting process of copper, zinc, and lead, as well as by the manufacturing of chemicals and glasses. (kenrico.com)
  • Arsenic is an element that is widely distributed in the earth's crust. (latesting.com)
  • Heavy Metals are naturally occurring elements and part of the Earth's crust. (planetprotein.com)
  • The FDA's new arsenic limit is not a requirement for manufacturers, though the FDA says it will continue to monitor arsenic levels in apple juice samples. (eatthis.com)
  • Organic arsenic is mainly found in seafood and shellfish and isn't thought to be harmful to humans, according to the Centers for Disease Control and Prevention (CDC) . (eatthis.com)
  • Arsenic poisoning constitutes a major threat to humans, causing various health problems. (encyclopedia.pub)
  • Simple observation of the working conditions and the illness and deaths of the workers readily proved that harmful exposures existed. (cdc.gov)
  • This Medical Management Guideline focuses on arsenic trioxide (As 2 O 3 ), one of the most toxic and prevalent forms. (cdc.gov)
  • About 120 years ago, along with mention of some useful, but potentially toxic, drugs such as aspirin and digitalis, THE MANUAL mentioned cocaine as a treatment for alcoholism, arsenic and tobacco smoke as treatments for asthma, and sulfuric acid nasal spray as a treatment for colds. (msdmanuals.com)
  • Agricultural: If arsenic pentoxide is released into the air as fine particles (aerosol), it has the potential to contaminate agricultural products. (cdc.gov)
  • Persons whose clothing or skin is contaminated with arsenic may secondarily contaminate others by direct contact or through release of inhalable dust. (cdc.gov)
  • Arsenic pentoxide dissolves and becomes liquid by absorbing moisture from the air (deliquescent) and is odorless. (cdc.gov)
  • Small quantities of arsenic metal are used in alloys in products such as lead-acid batteries. (cdc.gov)
  • To be useful, a platform must be sensitive and specific, having an appropriately low limit of detection and accurately distinguishing lead and arsenic from other naturally occurring, benign species. (eku.edu)
  • By controlling the voltage, the researchers found that they could make an electron go to either end of the molecule or exist in an intermediate, quantum, state. (scienceblog.com)
  • Contaminants (Table 2) are often chemicals found in the environment in amounts higher than what would be there naturally. (pressbooks.pub)
  • It does not occur as a free element naturally, but instead it is found combined with other substances. (healeo.in)
  • These elements, or some form of them, are commonly found naturally in foodstuffs, in fruits and vegetables, and in commercially available multivitamin products. (kenrico.com)
  • Given that some children drink up to half a litre of fruit juice per day [ 3 ] and that lactose-intolerant people may consume significant amounts of rice milk drinks, the resulting dose of arsenic would be higher than the level considered safe. (biomedcentral.com)
  • For many existing substances, approved specifications are provided by the pharmacopoeias in various regions of the world. (pharmamanufacturing.com)
  • For many existing substances, approved specifications are provided by the pharmacopoeias in each region, such as the European Pharmacopoeia, United States Pharmacopeia and the Japanese Pharmacopoeia. (pharmamanufacturing.com)
  • Does plague occur naturally? (cdc.gov)
  • Arsenic pentoxide is readily absorbed into the body via ingestion, inhalation, and through mucosal membranes. (cdc.gov)
  • Arsenic trioxide is readily absorbed if ingested or inhaled, but only slowly absorbed through the skin. (cdc.gov)
  • It forms readily when elemental metallic arsenic is heated to high temperatures or burned. (cdc.gov)
  • Arsenic is the most common cause of acute heavy metal poisoning in adults. (kenrico.com)
  • As the plant grows, arsenic travels from the roots into the leaves and grains. (undark.org)
  • It must also be emphasized that many may disagree with the implications for their own health given the abnormally high cancer odds expected at the cost-benefit arsenic threshold. (biomedcentral.com)
  • Arsenic trioxide has no odor and thus provides no warning of hazardous airborne concentrations. (cdc.gov)
  • Ingested arsenic trioxide is quickly absorbed and can be extremely hazardous. (cdc.gov)
  • Often these impacts occur in rural and/or agricultural communities, exacerbating existing equity issues. (eku.edu)
  • These metals rarely exist in pure crystal form and are usually made from an iron-silicon alloy called ferrosilicon. (actionext.com)
  • Direct contact with arsenic trioxide dust can cause localized skin irritation, but systemic absorption through the skin is negligible. (cdc.gov)
  • Existing arsenic guidelines are a cost-benefit compromise and, as such, they should be periodically re-evaluated. (biomedcentral.com)
  • One end comprised the arsenic atom embedded in the silicon, while the 'artificial' end of the molecule forms near the silicon surface of the transistor. (scienceblog.com)
  • Arsenics, including arsenic pentoxide, naturally exist at low concentrations in the environment and the body. (cdc.gov)
  • Some researchers have recently suggested that any hypothesized toxicant should be compatible with current existing models of development and should include cumulative risk. (medscape.com)