In 2015, the United States Environmental Protection Agency (EPA) took the policy position that state implementation plans, or SIPs, cannot provide for relaxed air emission standards during Startup, Shutdown, and Malfunction...more
Why is the legal challenge of EPA’s approval of the affirmative defense provisions in Texas’ state implementation plan (SIP) the subject of a venue battle? Why did the Sierra Club and eight other environmental groups...more
Affirmative defenses commonly relied upon by facility operators to avoid civil and administrative penalties for violations of air emissions limitations during periods of facility startup, shutdown or malfunction (“SSM”) may...more
EPA has issued a final rule that requires 36 states to revise their State Implementation Plans to eliminate a well-known and often-used Clean Air Act defense for excess emissions. While specific elements of the defense...more
In response to a petition for final rule-making filed by the Sierra Club, the U.S. Environmental Protection Agency issued on May 22, 2015, its final action requiring 36 states to revise their state implementation plans...more
Last week, EPA finally responded to the Sierra Club’s petition requesting that it eliminate exemptions and defenses for excess emissions resulting from startup, shutdown, or malfunction events. EPA concluded that it needed to...more
Action Item: In response to pressure from environmental groups, EPA has removed Clean Air Act affirmative defenses previously available to the regulated community for startups, shutdowns, or malfunctions (SSM Rule). The...more
EPA proposes eliminating all startup, shutdown and malfunction affirmative defense provisions from SIPS. On September 17, 2014, the United States Environmental Protection Agency (EPA) issued a supplemental notice of...more
The U.S. Environmental Protection Agency (EPA) issued a proposed rule on September 5, 2014 that would prevent states from including affirmative defenses in their Clean Air Act state implementation plans (SIPs) for emissions...more