SYNTHETIC ORGANIC CHEMICALS (SOCs) “are generally toxic and can have substantial health impacts from both acute (short-term) and chronic (long-term) exposure. Many are known carcinogens (cancer causing). EPA has set Maximum Contaminant Levels (MCL) for 30 SOCs under the Safe Drinking Water Act.”
http://www.nmenv.state.nm.us/dwb/contaminants/SOCs.htm