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Arsenic | Safewater Home | Water | EPA Home
State Guidance Funding Sources Publications Research Arsenic Rule at a Glance Maximum Contaminant Level in parts per million (ppm) MCL = 0.010 ppm Maximum Contaminant Level Goal MCLG = 0 ppm Health Effects Skin damage or problems ...
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Arsenic Rule | Arsenic | Safewater Home | Water | EPA Home
NPDWR on June 22, 2000 (65 FR 38888), which proposed a Maximum Contaminant Level (MCL) of 0.005 mg/L (5 μg/L). The October 2000 appropriations bill ...
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Our Stolen Future: Herbicide mixture causes fetal loss
They found the largest reductions in litter size at the lowest dosage level used, which corresponded to EPA's "reference dose," the concentration calculated on the ... be sufficiently low to avoid adverse health effects. This was one-seventh of the "maximum contaminant level" allowed in drinking water by EPA standards. Developed using traditional toxicological approaches, current EPA ...
www.ourstolenfuture.org

Suburban Water Testing Labs: Water Tests
Reliability • Technical Assistance • Safety As of January 1, 2006, the EPA has revised the Arsenic maximum contaminant level from 50 ppb to 10 ppb. Home | Catalog | About Us | Contact Us | FAQ | Learn More ...
h2otest.com

Basic Information | Arsenic | Safewater Home | Water | EPA Home
Can my small public water system (PWS) receive an extension of the compliance date to complete needed capital improvements? Is the maximum contaminant level ... an exemption to complete needed capital improvement projects. Top of page Is the maximum contaminant level of 10 parts per billion based on total arsenic or inorganic arsenic? The ...
epa.gov

Groundwater Glossary: The Groundwater Foundation
Maximum contaminant level (MCL): Designation given by the U.S. Environmental Protection Agency (EPA) to drinking water standards promulgated under the Safe Drinking Water Act. A MCL is the greatest amount of a contaminant ... for a particular use. Water quality standards: Recommended or enforceable maximum contaminant levels of chemicals or materials (such as chlorobenzene, nitrate, iron, arsenic) ...
groundwater.org

Suburban Water Testing Labs: MTBE Fact Sheet
Health Services (DHS) has established an interim action level of 35 ppb. The interim action level is an advisory indicator level which, if exceeded triggers the water supplier to notify customers of the presence of MTBE in the drinking water. Currently, there is no regulatory maximum contaminant level ...
h2otest.com

Brain control of the masses via pollutants
In the light of these studies, why is it that the EPA's maximum contaminant level for fluoride in drinking water fails to take into account the additional fluoride ingested from ... in the vicinity of heavy vehicle traffic are more susceptible to low level CO poisoning. Long term exposure to low level CO poisoning can cause worsening of symptoms, sometimes leading to violence ...
culturechange.org

www.ELULS.org - Section Reporter
Maximum Contaminant Level (MCL). The time and cost required to complete TCE remediation will increase dramatically if a ... techniques actively break down TCE in the subsurface and are capable of dealing with low level TCE contamination over a wide area. EPA currently projects to issue a draft TCE potency ...
eluls.org

Pollutants/Toxics > Multimedia Pollutants > Mercury | Browse EPA Topics | US EPA
The Agency also sets a maximum contaminant level for mercury in drinking water and works with the states to issue consumption ... Air Pollutants Aerosols, Asbestos, Carbon Monoxide, Chlorofluorocarbons (CFCs), Criteria Air Pollutants, Ground Level Ozone, Hazardous Air Pollutants (HAPs), Lead, Mercury, Methane, Nitrogen Oxides (NOx), Particulate Matter ...
epa.gov