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Maximum contaminant levels (MCLs) are standards that are set by the United States Environmental Protection Agency (EPA) for drinking water quality. [ 1 ] [ 2 ] An MCL is the legal threshold limit on the amount of a substance that is allowed in public water systems under the Safe Drinking Water Act (SDWA).
Prophylaxis with perchlorate-containing water at concentrations of 17 ppm, corresponding to 0.5 mg/(kg·d) intake for a person of 70 kg consuming 2 litres of water per day, was found to reduce the baseline of radioiodine uptake by 67% [10] This is equivalent to ingesting a total of just 35 mg of perchlorate ions per day. In another related ...
[92] [95]: 21 In 2004 eight states had non-binding advisories for perchlorate in drinking water, ranging from 1 to 18 ppb. Only two states—Massachusetts and California—set legally binding maximum contaminant levels on the allowable amount of perchlorate in drinking water, at 2 ppb and 6 ppb respectively. [94] [96]
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In 2009, Governor Jennifer Granholm moved to merge the DNR and the DEQ into a new Department of Natural Resources and Environment (DNRE). [3] The state Senate passed a resolution to stop the merger. [6] However, Granholm's Executive Order No. 2009-45 combined the two over the objections of the Senate. [3]
Along with those big fluctuations, there will likely be an overall long-term increase in Lake Michigan's water levels, according to a peer-reviewed University of Michigan study published in 2022 ...
The Safe Drinking Water Act (SDWA) is the primary federal law in the United States intended to ensure safe drinking water for the public. [3] Pursuant to the act, the Environmental Protection Agency (EPA) is required to set standards for drinking water quality and oversee all states, localities, and water suppliers that implement the standards.
This is a list of Superfund sites in Michigan designated under the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) environmental law.The CERCLA federal law of 1980 authorized the United States Environmental Protection Agency (EPA) to create a list of polluted locations requiring a long-term response to clean up hazardous material contaminations. [1]