A 2015 EPA rulemaking required 36 states to revise their State Implementation Plans (“SIPs”) to eliminate provisions exempting air emission exceedances during periods of startup, shutdown, or malfunction (the “SSM SIP Call...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