William J. Walsh

William J. Walsh

Pepper Hamilton LLP

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Latest Publications


Six Things the Private Sector Should Know About EPA's Final Vapor Intrusion Guidance

The cumulative impact of the EPA guidance is to require the generation of more data, which means more sampling and analysis, more frequent and stringent remediation, and potentially higher remediation costs. At long...more

8/24/2015 - Compliance DOD EPA Final Guidance Groundwater OSHA Preemption Sewer Systems Underground Storage Tanks Utility Sector Vapor Intrusion VOC Volatile Organic Compounds (VOC)

Beyond Ebola: Environmental Regulatory Issues Creating Business Risks for Health Care Providers

Business and legal risks to health care companies reach far beyond scientific uncertainties in the prevention protocols for infectious diseases due to lack of clarity among regulators with public health...more

6/25/2015 - ADA CDC Chemicals Compliance Ebola EPA FDA FIFRA Healthcare Infectious Diseases NLRA OSHA Public Health State Regulators

Recent Developments Regarding Disposal of Pharmaceutical Products

Recent environmental developments may impact the health care industry and should continue to be monitored. Several environmental developments related to the discarding of pharmaceutical products (including veterinary...more

6/23/2015 - Enforcement Actions Environmental Liability EPA Healthcare Facilities Local Ordinance Pharmaceutical Industry Regulatory Agenda Waste Disposal

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

D.C. Circuit Rules A Provision Of The SEC Conflict Minerals Rule Violates The First Amendment

On April 14, 2014, the D.C. Circuit Court of Appeals in Nat'l Ass'n of Mfrs. v. SEC, 2014 BL 102614, D.C. Cir., No. 13-5252, 4/14/14) upheld all aspects of the Securities and Exchange Commission (SEC)’s conflict mineral rule,...more

4/18/2014 - Conflict Mineral Rules First Amendment Natural Resources SEC

DTSC Announces Initial Proposed Priority Products List Under The Safer Consumer Products Program – The First Green Chemistry Shoe...

Today, March 13, 2014, the California Department of Toxic Substances Control (DTSC) issued its Initial Proposed Priority Products list under the Safer Consumer Products (SCP) Program. The products are: paint and varnish...more


Destroying Chemical Weapons*

The destruction of chemical warfare material is prominent in the news today due to the documented use of sarin (i.e., isopropyl methyl phosphonofluoridate) by the Syrian government against its own citizens and the United...more

10/14/2013 - Chemical Weapons Foreign Policy Middle East

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

Court To Decide Whether FDA Regulation Of Lead In Baby Food Pre-empts California Proposition 65

One of the rare California Proposition 65 trials began on April 8, 2013 – the Environmental Law Foundation (ELF) suit in Alameda County, CA Superior Court (ELF Lead In Food Case, available at...more

6/10/2013 - Baby Products FDA Food Contamination Lead Preemption

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 Industry USDA Waste

National Academy of Sciences Group Recommending Methods to Facilitate Transition of Cleanup Programs from Problem Identification...

The National Research Council, an arm of the National Academy of Sciences (NAS), today released a report, “Alternatives for Managing the Nation’s Complex Contaminated Groundwater Sites” (available from the National Academies...more


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