To take place for the next two weeks, MassDEP has scheduled Topic-Specific Discussions on its Regulatory Reform Initiatives (based on that title, I assume they really, really want the discussions to remain on topic).  The schedule is as follows:  

  • MCP Standards – Friday, February 3rd at 10 AM (to address EPA changes in Integrated Risk Information

Raising the interesting question, what does the oxymoron “Interim Final” mean?, MassDEP recently released its Interim Final Vapor Intrusion Policy (pdf).  According to MassDEP, “Final” means that the public can use the policy as a guidance document that can be cited.  However, be aware that the guidance is intended to serve as a transition document until MassDEP promulgates

Since changing its approach to vapor intrusion two years ago, the Massachusetts Department of Environmental Protection (DEP) has yet to finalize its vapor intrusion policy.  As reported here, based on new studies, DEP is concerned that vapor from chemicals in groundwater – which can rise through soils and make its way into buildings – is more harmful than previously

As predicted in this prior post, the Massachusetts Department of Environmental Protection (DEP) has extended – to May 1, 2011 – the public comment period for its newly proposed Activity and Use Limtation Guidance.  While this extension is helpful, many commenters had suggested that DEP extend the comment period until after DEP finalizes its proposed Vapor Intrusion

The Massachusetts Department of Environmental Protection (DEP) recently released for public comment a draft of its proposed Guidance on Activity and Use Limitations (“AULs”) (pdf).  Recognizing that in almost every waste site cleanup there is some residual contamination that is either impractical or impossible to remove, AULs provide a way of ensuring that human health is adequately protected over time and through future