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Vapor
Intrusion News - June 2005 |
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In
This Issue:
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New
Jersey Draft Vapor Intrusion Guidance |
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Minnesota
Vapor Intrusion Assessment Guidance |
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New
Hampshire Draft Vapor Intrusion Guidance |
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RTI
Website |
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EPRI
VI Reference Handbook |
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STL
Seminar |
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EnviroGroup
Website Links Now Listed by both State and Topic |
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Featured
Links:
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New
Jersey Draft Vapor Intrusion Guidance
The
New Jersey Department of Environmental Protection has released its
draft Vapor Intrusion Guidance for comment. The comment period closes
July 8, 2005. The comprehensive document expresses a preference for
investigations to follow a stepwise approach beginning with ground
water, then soil gas and finally indoor air tests. The document
includes in Table 2 immediate action levels for indoor air for 13
compounds. It also includes in Table 1 generic screening levels for 56
compounds for ground water, soil gas and indoor air for both
residential and nonresidential land uses. Appendix F is a literature
review and summary of background VOC levels in homes. The document can
be found at:
Minnesota
Vapor Intrusion Assessment Guidance
The
Minnesota Pollution Control Agency released in April 2005 its guidance
for Vapor Intrusion Assessments Performed During Site Investigations at
petroleum release sites. It contains recommended field procedures for
soil gas, sub slab soil gas, and indoor air sampling. Action levels
referenced are Minnesota Department of Health Chronic Risk Values and
Interim Screening Concentrations and EPA Reference Concentrations. The
guidance document can be found at:
New
Hampshire Draft Vapor Intrusion Guidance
The
New Hampshire Department of Environmental Services also released in
April 2005 a draft Vapor Intrusion Guidance document. The screening
method proposed utilizes ground water, soil gas, and indoor air
screening values for 32 compounds. A site specific VI pathway
assessment is also discussed. The document includes soil gas and indoor
air sampling direction and also a discussion of the applicability of
OSHA PELS. The document is found at:
RTI
Website
RTI
International, an EPA contractor, has a useful VI website which
includes the papers presented at a number of VI related conferences
held over the past several years. It can be found at:
EPRI
VI Reference Handbook
The
Electric Power Research Institute has published a "Reference Handbook
for Site-Specific Assessment of Subsurface Vapor Intrusion to Indoor
Air". The document is a compilation of technical information,
procedures and resources related to this subject. Information on the
document can be found at:
STL
Seminar
Severn
Trent laboratories will present a seminar titled "Technical Guidance
for Indoor Air Vapor Intrusion" on August 10, 2005 in Edison, New
Jersey. Topics to be covered include NJDEP and EPA guidance, vapor
intrusion modeling, background sources, laboratory methods, quality
assurance and lessons learned. Information on this seminar will soon be
available on their website at:
EnviroGroup
Website Links Now Listed by both State and Topic
The
EnviroGroup Limited website links section has been expanded and updated
to include additional VI and remediation information. Links are now
organized by both State and topic, and can be found at:
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This
newsletter is issued periodically to provide our readers with
information on new regulatory and technical developments in the rapidly
changing field of vapor intrusion. While every effort is made to ensure
that the information and links presented in this newsletter are
accurate at the time of publication, they are presented for general
information purposes only. Users should independently verify the
accuracy and applicability of this information and seek professional
advice for any specific sites or purposes. Articles on or links to any
document or website do not imply endorsement of that document or
website by EnviroGroup. Copyright EnviroGroup Limited 2003. 7009 S.
Potomac Street, Centennial, CO 80112.
Please contact us if you have any questions about the topics presented
in this newsletter, or vapor intrusion in general. More information
about EnviroGroup Limited, including several useful links to vapor
intrusion websites, is available at: |
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