By: Matt B. Smith and Maureen N. Harbourt

On September 30, 2019, the United States District Court for the Eastern District of Missouri, Eastern Division, issued an Opinion and Order setting forth the remedy required for Ameren Missouri’s violation of the Clean Air Act’s Prevention of Significant Deterioration (“PSD”) program. United States v. Ameren Missouri

By Tokesha Collins-Wright

On December 7, 2017, the Environmental Protection Agency (“EPA”) released a memorandum entitled, “New Source Review Preconstruction Permitting Requirements: Enforceability and Use of the Actual-to-Projected-Actual Applicability Test in Determining Major Modification Applicability.”[1] In the NSR memo, EPA announced its intention to drop its long-standing position that the Agency can

By R. Lee Vail, P.E., Ph.D. and Lauren J. Rucinski

On August 30, 2017 the D.C. Circuit denied environmental and labor groups’ request to stay the Tump EPA’s final rule delaying the Obama-era amendments to the EPA’s Risk Management Program (“RMP”) rule. The RMP rule implements Section 112(r) of the Clean Air Act and requires

EPA

By Brittany Buckley Salup

The Environmental Protection Agency (EPA) announced in March that it is in the process of developing new regulations to curb methane emissions from existing oil and gas facilities.  The EPA will formally require companies operating existing oil and gas sources to provide information to assist in the development of comprehensive regulations

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By Lee Vail

Both OSHA’s Process Safety Management (“PSM”) and EPA’s Chemical Accident Prevention regulations are regulatory programs developed to address process safety in the “Process Industry.” A “Process” is defined broadly and includes any activity that uses, stores, manufactures, handles or moves hazardous chemicals. Since the definition is broad, it includes much more than