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

The President’s Climate Action Plan: What Might It Mean For Existing Coal-Fired Plants?

Earlier this summer, the President issued a Climate Action Plan (CAP) directing the U.S. Environmental Protection Agency (EPA) to issue final “standards, regulations, or guidelines, as appropriate,” pursuant to Sections...more

8/6/2013 - Barack Obama Clean Air Act Clean Energy Climate Action Plan Environmental Policies EPA

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

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

Disposing Of Pharmaceutical Waste: Some Progress

In 2008, the U.S. Environmental Protection Agency (EPA) seemed to be on the road to providing some much-needed clarity to hospitals and other medical facilities concerning the disposal of pharmaceuticals by proposing that...more

1/22/2013 - Controlled Substances DEA EPA FDA Hazardous Substances Pharmaceutical USDA Waste

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