MassDEP will decide on January 28 whether to establish a strict drinking water standard for per- and polyfluoroalkyl substances, known as PFAS, and promulgate further regulations for the identification and remediation of PFAS...more
What are PFOA and PFOS? Remember when everyone was in a tizzy about using Teflon or other non-stick cookware? That had to do with the chemical PFOA (perfluorooctanoic acid), which is one of the most commonly found and...more
Trichloroethylene - A new MassDEP Technical Support Document confirms that the agency has screened almost 1,000 closed TCE sites and anticipates that about 200 sites require follow up due to the potential for human...more
The final answer to the critical issue raised by the recent Peterborough Oil Company decision is that MTBE is an additive and is not, in MassDEP’s view, subject to the “oil exemption” under the Massachusetts Contingency Plan....more
Since yesterday’s post on the Peterborough Oil case, a little birdie told me that MassDEP may be taking the position that MTBE is covered by the “oil exemption”, because it is a hydrocarbon. If so, that would be good news...more
MassDEP issued a fact sheet in June identifying special considerations for responding to releases of 1,4-dioxane (“dioxane”), which was primarily used as a stabilizer and corrosion inhibitor as an additive to chlorinated...more