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

How Are We Doing? The Mercury Story

The late Ed Koch (former mayor of New York) famously used to ask his constituents “How am I doing?” Answering this question is also prudent (if not required) in evaluating environmental policies. Probably the most relevant...more

2/15/2013 - Air Pollution Chemicals Coal EPA MATS Mercury National Emissions Standards

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