US EPA issues benchmarks for water
The US EPA has issued human health benchmarks for about 350 pesticides to help state authorities interpret drinking water monitoring data. Exceedances of the benchmarks do not necessarily indicate a health risk, but will enable states to prioritise resources, the EPA points out. The EPA has calculated benchmarks for acute (one-day) and chronic (lifetime) exposures for the most sensitive populations to pesticides that may be found in surface or ground water sources of drinking water. The list covers active ingredients for which health advisories or maximum contaminant levels have not been established.