Water Quality & Infrastructure

Effluent Limitations Guidelines and Standards for the Steam Electric Power Generating Point Source Category: Unmanaged Combustion Residual Leachate

Extending the Compliance Deadline for the PFOA and PFOS Maximum Contaminant Levels; Notice of Public Hearing

Rescission of Regulatory Determinations and Removal of Related Provisions for Four PFAS Substances (PFHxS, PFNA, HFPO–DA (GenX), and the Mixture of These Three PFAS Plus PFBS)

Environmental Impact Statements; Availability, etc.

Clean Air Act Operating Permit Program: Petition for Objection to State Operating Permit for Lubrizol Corp., Harris County, TX

Air Quality State Implementation Plans; Approvals and Promulgations: Oregon; Update to Materials Incorporated by Reference

Clean Air Act Operating Permit Program: Petitions for Objection to State Operating Permit for TPC Group, LLC, Harris County, TX

Clean Air Act Operating Permit Program: Petition for Objection to State Operating Permit for ExxonMobil Corp., Harris County, TX

Clean Air Act Operating Permit Program: Petition for Objection to State Operating Permit for Intercontinental Terminals Co., LLC, Harris County, TX

Clean Air Act Operating Permit Program: Order on Petition for Objection to State Operating Permit for the Humboldt Redwood Co., LLC

Alaska Clean Water Alliance, Alaska Center for the Environment, and Trustees for Alaska v. EPA No. C96-1762R. United States District Court Western District of Washington at Seattle. Decided July 8, 1997. 10 pp. [W-99-05-I-B-1]

Alaska Clean Water Alliance, Alaska Center for the Environment, and Trustees for Alaska v. EPA. No. C96-1762-R. United States District Court Western District of Washington at Seattle. Notice of Settlement Agreement. June 30, 1999. 9pp. [W-99-05-I-B-2]