William J. Walsh

William J. Walsh

Pepper Hamilton LLP

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The Complexity Associated with Setting Non-cancer Indoor Air Remediation Goals for Trichloroethylene Based on Short-term Exposure...

Over the last few years, there has been increasing consideration of vapor intrusion in groundwater investigations, groundwater remedy selection, periodic reviews of the continued safety of already implemented groundwater...more

6/25/2014 - ASTM Chemicals Contaminated Properties Contamination EPA Groundwater

EPA Draft Vapor Intrusion Guidance Is Now Subject To Public Comment

The Environmental Protection Agency (EPA) has released and is seeking comments on draft general guidance on methods of addressing indoor vapor intrusion (VI) from contaminated soil and groundwater plumes (Draft VI Guidance)...more

4/22/2013 - Air Pollution Contamination EPA Hydrocarbons Risk Management Vapor Intrusion Guidance

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