Science news articles about 'drinking water standards'

... containing "smart elements" that can instantly detect the presence of mercury at or below the drinking water standard set by the U.S. Environmental Protection Agency, even when other metals are ...

... exposed to arsenic at federally-approved levels for drinking water, pores in liver blood vessels ... reduced from 50 ppb in 2006. The standard applies only to drinking water sources that serve more than 20 ...

... exposed to arsenic at federally-approved levels for drinking water, pores in liver blood vessels ... question current US Environmental Protection Agency standards that are based solely on risks for cancer ...

... irrigation. This high concentration of nitrates is a concern because it exceeds the federal safe drinking water standards as the aquifer is used as a municipal water source for the communities of ...

Scientists have puzzled for years about why uranium contamination in groundwater continues to exceed drinking water standards in an area located at the south end of the Hanford Site. The Department of ...

... about why uranium contamination in groundwater continues to exceed drinking water standards in an area located at the south end of the Hanford Site near Richland, Wash. The Department ...

... is nonrenewable. When a well cannot pass drinking water standards, it's shut down and another one is drilled. ... , where salt water mixed in ground water has made drinking water unpalatable. "Ground ...

... ,000 times below USEPA drinking-water standards. Of the 80 compounds studied, only six ... times lower than applicable USEPA drinking-water standards. Characterization of trends in pesticide occurrence ...