by OmniEnvGroup | Oct 23, 2020 | Drinking Water, Environmental Due Diligence, EPA, Licensed Site Professional, Massachusetts Contingency Plan, MassDEP, Phase I and 21E, Reportable Conditions, Risk Mitigation, Site Assessment
What are PFAS? Per- and polyfluoroalkyl substances (PFAS) are man-made chemicals, consisting of 4,000+ fluorinated organic compounds in use since the 1940s. They are colorless, odorless, and resistant to heat, oil, and water. Due to their strong bonds, these...
by OmniEnvGroup | Sep 30, 2014 | Licensed Site Professional, LSP, Massachusetts Contingency Plan, MassDEP, Site Assessment
In the new and improved June 2014 version of the Massachusetts Contingency Plan(MCP), the Massachusetts Department of Environmental Protection (MassDEP) revised the definition of “background”. Background is now defined as “those levels of oil and hazardous material...
by OmniEnvGroup | Jun 14, 2014 | EPA, Site Assessment, Vapor Intrusion
Vapor intrusion has been a hot topic lately with many states as well as the federal Environmental Protection Agency (EPA) adopting or proposing new policies. We would like to take credit for the following simple explanation of the basics of vapor intrusion but it was...
by OmniEnvGroup | Apr 22, 2014 | Environmental Due Diligence, Phase I and 21E, Site Assessment
Who should perform (and who should pay for) the Phase I environmental site assessment? Is it the buyer of the property? Or is it the seller? Or is it the lender? Omni Environmental Group gets this question all the time. The answer is…it depends. Any of these 3...
by OmniEnvGroup | Apr 25, 2013 | EPA, Site Assessment, Vapor Intrusion
The EPA has issued 2 (long awaited) draft final vapor intrusion documents for public comment. These guidance documents are intended to help ensure vapor intrusion assessment and mitigation actions to protect human health are undertaken in a technically,...
by OmniEnvGroup | Mar 1, 2013 | Massachusetts Contingency Plan, Site Assessment
We recently came across a short article entitled The Importance of Sample Collection on the Pollution Engineering website. While the article is fairly simplistic, it illustrates an important concept – namely that all of the real estate due diligence and site...
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