Category Archives: Mass Contingency Plan (MCP)
The Beginning of the End for AULs?
In Springfield earlier this week we had a well attended and interesting breakfast seminar on the recent developments in vapor intrusion (VI). One topic that received a lot of discussion was the expanded use of Activity and Use Limitations (AULs) … Continue reading
PCE Toxicity: Will MassDEP Change its Position?
It was six years ago that growing concern about vapor intrusion collided with MassDEP’s conservative analysis of PCE toxicity (aka: perchloroethylene, perc and tetrachloroethylene) to produce a perfect storm in the Massachusetts waste site cleanup program. State environmental regulators initiated … Continue reading
How EPA’s New Take on PCE Changes Vapor Intrusion Risk
Several days ago the US Environmental Protection Agency issued its new findings on the toxicity of tetrachloroethene (also known as: PCE, perc, perchloroethylene and tetrachloroethylene). The new information was published on-line in EPA’s Integrated Risk Information System (IRIS) web site. … Continue reading
MassDEP AUL Audit Requirement Eliminated
Paul Locke, MassDEP’s acting head of the Bureau of Waste Site Cleanup, was the lead speaker at the September 13th Licensed Site Professional Association (LSPA) membership meeting. In his remarks, Locke repeatedly advised LSPs to be “on the lookout” for … Continue reading
Attention Homeowners: New Laws Apply to Your Heating Oil Tank
If you heat your home with oil, as so many of us in New England do, you should be aware of a new Massachusetts law regarding home heating oil tanks. The law requires certain upgrades that make leaks from your tank … Continue reading
Vapor Intrusion – Historic Perspectives, Current Considerations
As we all know, one of the hottest topics in the environmental industry right now is vapor intrusion. In Massachusetts, vapor intrusion considerations have been around for more than 20 years, since the beginning of the Massachusetts Contingency Plan (MCP) … Continue reading
