Geosyntec VI Modeling Letter http://indoorairproject.files.wordpress.com/2009/09/geosyntec-vi-modeling-letter.pdf
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Letter from Geosyntec on Vapor Intrusion Modeling
Posted on September 3, 2009 by andrewfriedmann
LSPA Comments on 2009 Indoor Air Workgroup Progress
Posted on July 14, 2009 by massdepwsc
Carl Shapiro, LSPA President, and Wesley E. Stimpson, LSPA Executive Director, provided a comment letter to MassDEP on the progress of the Indoor Air Workgroup on June 17, 2009. Attached is a PDF copy of the comments: Letter_to_MassDEP_on_Indoor_Air_Workgroup.
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Compiled Draft Guidance for Summer Review
Posted on July 7, 2009 by massdepwsc
MassDEP has compiled the draft chapters from the three sub-Workgroups to provide a single DRAFT document for Workgroup review and comment during the summer meeting hiatus.
Word Document (111 pages, 712 KB): July 2009 Draft IA Guidance
Please submit comments by replying to this blog post or by email to Gerard.Martin@state.ma.us.
[MassDEP will accept comments throughout the summer, but comments submittede earlier in the summer will be more readily considered in the next draft that is currently being developed by MassDEP staff. Be reassured, however, that ALL comments received will be considered for either the next or subsequent drafts... we won't discard them.]
Filed under: Administrative, News, assessment, mitigation, modeling, regulatory framework | Tagged: assessment, conceptual site model, critical exposure pathway, draft guidance, draft policy, environmental assessment, indoor air, PCE, risk assessment, site assessment, SSDS, sub-slab depressurization system, TCE, tetrachloroethylene, trichloroethylene, vapor intrusion, VOCs, volatile organic compounds | 10 Comments »
Regulatory Framework Draft
Posted on June 17, 2009 by cgwanat
MassDEP welcomes your comments on the regulatory framework draft.
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Latest Assessment Section Draft
Posted on June 17, 2009 by andrewfriedmann
Here’s the latest. http://indoorairproject.files.wordpress.com/2009/06/vi-assessment-section-6-12-09.doc MassDEP welcomes your comments.
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Mitigation Draft 6-16-09
Posted on June 17, 2009 by pdoherty
MassDEP welcomes comments on the latest Draft of the Mitigation Section for the Vapor Intrsuion Guidance. Although there are no Subgroup meetings scheduled over the summer, comments are encouraged and may be posted to the blog.
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Mitigation Subgroup Meeting Agenda 6-4-09
Posted on June 3, 2009 by pdoherty
Below is the agenda for this month’s Mitigation Subgroup Meeting. Please review pages 17-19 of the “EPA Engineering Issue: Indoor Air Vapor Intrusion Mitigation Approaches” located below.
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Agenda for 6/2/09 Regulatory Framework Subgroup Meeting
Posted on June 1, 2009 by cgwanat
Draft Mitigation Guidance 5-28-09
Posted on May 29, 2009 by pdoherty
The 5-28-09 version of the Mitigation Section of the Vapor Intrusion Guidance is available for review. Please post comments to the blog or bring them to the next Vapor Intrusion Mitigation Meeting on June 4th at 1:00 p.m.
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Regulatory Framework draft for comments
Posted on May 28, 2009 by cgwanat
Please comment on the following 2 sections of the regulatory framework draft:
CEP Feasibility (significant changes to last draft):
CEP Feasibility 2 Option Draft May09
Note this is an updated, expanded version of the draft originally posted on 5/28.
Outline of Communication/Public Involvement Section (new):
Communication Section Outline May09
These will be discussed at the Regulatory Framework Subgroup meeting on Tuesday, 6/2/09 at 9AM in CERO/Boston.
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