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| HUD Requires Vapor Intrusion Screens |
HUD Requires Vapor Intrusion Screens The U.S. Department of Housing and Urban Development (HUD) Office of Multifamily Housing has adopted Tier 1 vapor intrusion (VI) screens (the first of four tiers) under ASTM E 2600 as a mandatory component of Phase I environmental site assessments conducted under the agency's MAP (Multifamily Accelerated Processing) Guide. MAP is the procedure used by hundreds of MAP-approved lenders and HUD field offices throughout the country to process loan applications for Federal Housing Administration multifamily mortgage insurance. Under the revised policy, "The Phase I ESA must include an initial vapor (a.k.a. gas) intrusion screen to determine if there is a potential for vapors to occur in the subsurface below existing and/or proposed on-site structures from those hazardous substances, petroleum and petroleum products that consist of VOCs, SVOCs and inorganic volatile compounds."
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| Tuesday, 26 May 2009 20:32 |
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B & A scientists and engineers have managed major, multi-site environmental programs, as well as small projects, for a variety of government and private clients, including the following:
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| Last Updated on Wednesday, 27 May 2009 20:07 |