The maximum permissible concentration of an inorganic chemical or other contaminant that the EPA will allow in water supplied to any user of a public water system before declaring it unsafe for human consumption.
48) EPA defines maximum contaminant level goal as "the maximum level of a contaminant in drinking water at which no known or anticipated adverse effect on the health of persons would occur, and which allows an adequate margin of safety.
The bill calls for a study by the National Academy of Sciences (NAS) to determine an "appropriate maximum contaminant level goal for chromium 6," a substance used as a rust inhibitor and in paint pigment.
Designed to indicate the maximum contaminant level allowed in commercially marketed foods, the FDA levels -- set in the 1960s and '70s -- were never based on cancer risk assessments, notes National Wildlife Federation scientist Jeffery A.
The Environmental Protection Agency has set a maximum contaminant level for public drinking water, but private well water is not subject to regulation and Is the primary water source in many rural areas of the U.
Environmental Protection Agency (EPA) has set a maximum contaminant level of 10 ppb for total arsenic in public drinking water supplies--that includes both inorganic and the less toxic organic forms of arsenic.