All posts by Bill

NHDES Releases Recommendation for Arsenic Maximum Contaminant Level

The New Hampshire Department of Environmental Services released a two-part report to the State Legislature detailing their rationale for reducing the state MCL (maximum contaminant level) for arsenic from the current federal standard of 10 parts per billion (ppb) to 5 ppb. More details are available in the reports and the press release and media coverage pertaining to Dartmouth Superfund input on the report is available here.