August 1, 2015
A regulatory team with the California State Water Resources Control Board has made a preliminary recommendation of a Maximum Contaminant Limit (“MCL”) for the chemical 1,2,3-trichloropropane (also referred to as “TCP” or “1,2,3-TCP”). The preliminary recommendation is to set the MCL at 5 parts per trillion, meaning that public water systems in California would be prohibited from serving drinking water containing more than 5 parts per trillion of TCP.