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EnviroGroup Limited Vapor Intrusion News - May 2003
In This Issue:

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Suggestions for Newsletter Topics

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EPA Vapor Intrusion Guidance Comments

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EPA Request for Vapor Intrusion Site Data

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New Jersey Releases Guidance Document

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Wisconsin Releases Guidance Document

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Pennsylvania Draft Guidance

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Alaska Tech Memo on Diesel Vapors

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RCRA National Meeting


Featured Links:

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EnviroGroup Vapor Intrusion Links

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EnviroGroup Vapor Intrusion Publications

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EnviroGroup Vapor Intrusion Services
Suggestions for Newsletter Topics
Vapor Intrusion News is received by hundreds of subscribers across the country, including many EPA and state regulatory officials. Please let us know if you have news, new guidance documents, or technical information related to vapor intrusion that you would like us to announce in future issues of the newsletter. This is a great opportunity to share information and solicit comments from other professionals interested in vapor intrusion issues. Please contact us at:

Contact EnviroGroup Limited



EPA Vapor Intrusion Guidance Comments
On November 29, 2002 EPA published a notice in the Federal Register seeking comment on the draft guidance "Evaluating the Vapor Intrusion to Indoor Air Pathway from Groundwater and Soils". Comments were due February 27, 2003. Twenty seven comments were received electronically on the document and they are available on the EPA EDOCKET. Additional hard copy comments were received and have not yet been added to the docket. The comments can be reached through the EPA web site (click below). This sites takes a few minutes to load. Scroll down to the bottom of the page to see the entry for each comment received. Click on the Rendition icon on the for right to see the full text of each comment.

Comments were received from ten state agencies and a number of industrial groups including the American Petroleum Institute, American Chemistry Council, the RCRA Corrective Action Project, and the Utility Solid Waste Activities Group.


Comments on EPA Vapor Intrusion Guidance



EPA Request for Vapor Intrusion Site Data
EPA has created a data base to collect, store, and share site data to advance the state of knowledge regarding vapor intrusion. These data will be used by EPA to determine if the screening level predictions contained in the draft vapor intrusion guidance are appropriately protective of public health. Many of the industry comments received on the guidance express concern that the screening numbers are overly conservative. Ideally EPA would like high quality ground water, soil gas, and indoor air site data. The data can be preliminary at this time and updated later. The web site for the Vapor Intrusion Database, maintained by an EPA contractor, may be reached by clicking on the link below. If you are interested in contributing data the project manager, Jennifer Lloyd, can be contacted at: jml@rti.org.

EPA Vapor Intrusion Database



New Jersey Releases Guidance Document
The New Jersey Department of Environmental Protection Site Remediation Program released in April 2003 the document: "Indoor Air VOC Sampling and Analysis Requirements". It is available at the link below. Also available on that web site is the New Jersey Indoor Air Building Survey and Sampling Form and Instructions for Occupants - Indoor Air Sampling Events.


New Jersey Guidance Documents



Wisconsin Releases Guidance Document
The Wisconsin Department of Health and Family Services, Division of Public Health, released, on February 13, 2003, Guidance for Environmental Consultants and Contractors titled "Chemical Vapor Intrusion and Residential Indoor Air" It provides general orientation material in order to better understand this subject. It can be found at:

Wisconsin Guidance Document



Pennsylvania Draft Guidance
The Pennsylvania Department of Environmental Protection, Bureau of Land Recycling and Waste Management, has prepared a draft guidance document on "Vapor Intrusion Into Buildings from Groundwater and Soil under the Act 2 Statewide Health Standard". When finalized it will be incorporated into the Land Recycling Program Technical Guidance Manual. This detailed guidance includes tables of screening numbers for both ground water and soil. The draft document may be found at:

Pennsylvania Draft Guidance Document



Alaska Tech Memo on Diesel Vapors
The Alaska Department of Environmental Conservation, Contaminated Sites Remediation Program has issued a technical memorandum summarizing the approaches that various states take to diesel vapor in indoor air. It discusses approaches used by seven states and includes some useful references. The memorandum is available at:

Alaska Technical Memorandum on Diesel Vapors



RCRA National Meeting
This years RCRA National Meeting is titled "Putting Resource Conservation into RCRA" and is cosponsored by EPA and a number of professional organizations. It is scheduled for August 12-15 in Washington, DC. There will be several vapor intrusion related sessions included in this meeting. Registration information is on the Air and Waste Management Association web site at:

RCRA National Meeting Registration



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 informational purposes only. Users should independently verify the accuracy and applicability of this information for any specific sites or purposes. Copyright EnviroGroup Limited 2003.

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 is available at  EnviroGroup Limited Website
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