On December 7, 2023, the Environmental Protection Agency (EPA) disapproved the state implementation plan (SIP) revisions for the Baton Rouge ozone nonattainment area that Louisiana set forth in response to EPA’s 2015 SIP Call rule. This 2015 SIP Call rule focused on the treatment of excess emissions during periods of startup, shutdown, or malfunction (SSM).

EPA and the Army Corps published their new regulatory definition of “Waters of the United States” (WOTUS) today in response to the Supreme Court’s landmark Sackett decision from earlier this year. While the rule clearly narrows the scope of federally regulated wetlands, ambiguity remains as to certain types of wetlands.
Continue Reading EPA and Army Corps Release New WOTUS Rule

On September 14, 2022, the 19th Judicial District Court revoked air permits issued by the Louisiana Department of Environmental Quality (“LDEQ”) under Louisiana’s Prevention and Significant Deterioration (“PSD”) regulations[1] for a Formosa Plastics facility (“FG LA”) planned to be built in St. James Parish.[2] The court ruled that LDEQ erred in issuing

On September 30, 2021, the EPA once again signaled a policy change on what provisions a state can include in its Clean Air Act State Implementation Plan (“SIP”) for exemptions and affirmative defenses during periods of startup, shutdown, and malfunction (“SSM”). This most recent action revokes the EPA guidance issued nearly a year earlier in

On March 29, 2019, the U.S. Environmental Protection Agency (EPA) announced it had finalized a voluntary disclosure program for new owners of upstream oil and natural gas exploration and production facilities. Under the program, EPA will not impose any civil penalties on new owners of these facilities (which include well sites and associated tanks and vapor control systems) who find, self-disclose, and correct Clean Air Act violations pursuant to an audit program agreement with EPA. EPA is offering the program to such new owners because EPA and states have seen significant excess emissions and Clean Air Act noncompliance from vapor control systems at these facilities.Continue Reading EPA’s New Audit Program for New Owners of Upstream Oil and Natural Gas Facilities