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The California Legislature in 2001 called for the state to develop a drinking water standard for hexavalent chromium. But the path to finalizing a standard involved years of debates over the ...
It gets into drinking water as industrial pollution or through erosion of soil and rock. There is still no national standard for chromium-6 in drinking water, as the EPA’s safety review of the ...
Drinking water quality standards describes the quality parameters set for drinking water. Water may contain many harmful constituents, yet there are no universally recognized and accepted international standards for drinking water. Even where standards do exist, the permitted concentration of individual constituents may vary by as much as ten ...
California was the first state to put into effect an MCL for hexavalent chromium (chromium 6) in drinking water in July 2014, setting a limit of 10 ppb. A 2015 United States Geological Survey (USGS) report, based on the EPA's 2010 review of the health effects of chromium 6 in drinking water, re-examined related federal regulations.
EPA published standards in 1991 to ensure that total chromium is limited to 0.1 milligrams per liter or 100 parts per billion in drinking water. It is an odorless and tasteless metal that can be naturally occurring in rocks, plants, soil and volcanic dust, and animals.
The Biden administration finalized the first national standard to limit dangerous “forever chemicals” found in nearly half of the drinking water in the United States. Some environmentalists ...
In Chicago's first ever testing for the toxic metal contaminant, results show that the city's local drinking water contains levels of hexavalent chromium more than 11 times higher than the health standard set in California in July 2011. The results of the test showed that the water which is sent to over 7 million residents had average levels of ...
The final rule will affect 6% and 10% of the 66,000 public drinking water systems in the United States and is projected reduce exposure to the group of 15,000 chemical US sets first standard to ...