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The Environmental Protection Agency (EPA) is finalizing a program to further reduce air pollution, including ozone and particulate matter (PM), from heavy-duty engines and vehicles across the United States. The final program includes new emission sta...

With this direct final rule, the Environmental Protection Agency (EPA or the "Agency") is promulgating approval of revisions to the South Dakota operating permit program for stationary sources under Clean Air Act (CAA) title V (the "title V program")...

The Environmental Protection Agency (EPA or the "Agency") is proposing full approval of revisions to the South Dakota operating permit program for stationary sources under the Clean Air Act (CAA), title V (the "title V program") and a Clean Air Act (...

The Environmental Protection Agency (EPA) is proposing a rule that would reduce air pollution from highway heavy-duty vehicles and engines, including ozone, particulate matter, and greenhouse gases. This proposal would change the heavy-duty emission...

The Environmental Protection Agency (EPA) is amending the test procedures for heavy-duty engines and vehicles to improve accuracy and reduce testing burden. EPA is also making other regulatory amendments concerning light-duty vehicles, heavy-duty veh...

The U.S. Environmental Protection Agency (EPA or Agency) is initiating further data collection and analysis to support potential future rulemaking, under the Clean Water Act (CWA), relating to the effluent limitations guidelines, pretreatment standar...

The Environmental Protection Agency (EPA) is proposing changes to the test procedures for heavy-duty engines and vehicles to improve accuracy and reduce testing burden. EPA is also proposing other regulatory amendments concerning light-duty vehicles,...

The Environmental Protection Agency (EPA) is correcting the addresses and agencies names for EPA Region 4 State and local agencies in EPA regulations. The jurisdiction of EPA Region 4 includes the States of Alabama, Florida, Georgia, Kentucky, Missis...

This action informs the public that on February 27, 2014, the EPA authorized automatic delegation to implement and enforce Clean Air Act (CAA) New Source Performance Standards (NSPS) to the states of Colorado, Montana, North Dakota, South Dakota, Uta...

EPA is taking final action to approve the Southern Ute Indian Tribe's (SUIT) July 3, 2012 request for delegation of authority to implement and enforce National Emissions Standards for Hazardous Air Pollutants (NESHAP) and New Source Performance Stand...

EPA is amending its regulations to reflect a change in address for EPA's Region 7 office. This action is editorial in nature and is intended to provide accuracy and clarity to the Agency's regulations.

EPA is amending its regulations to reflect a change in address for EPA's Region 4 office as well as the state agencies for Georgia, Mississippi, North Carolina and local agencies for Forsyth County, Mecklenburg County Land Use & Environmental Service...

The Environmental Protection Agency (EPA) is amending its regulations to reflect a change in address for EPA's Region 1 office. This action is editorial in nature and is intended to provide accuracy and clarity to the agency's regulations.

EPA is approving a State Implementation Plan (SIP) revision submitted by the Governor of Utah on August 15, 2001. This SIP submittal deletes Utah's rules R307-102-3, "Administrative Procedures and Hearings," and R307-414-3, "Request for Review." EPA...

EPA is approving State Implementation Plan (SIP) revisions submitted by the State of Montana on August 20, 2003, except for revisions to three rules that EPA will act on at a later date. The revisions modify definitions and references to federal regu...

EPA is establishing the framework by which it will accept electronic reports from regulated entities in satisfaction of certain document submission requirements in EPA's regulations. EPA will provide public notice when the Agency is ready to receive...

EPA is approving certain revisions to the State Implementation Plan submitted by the Governor of North Dakota with a letter dated April 11, 2003. The revisions affect portions of air pollution control rules regarding general provisions and emissions...

EPA is proposing to partially approve and partially disapprove State Implementation Plan (SIP) revisions submitted by the State of Montana on April 18, 2003 and August 20, 2003. The revisions modify the open burning rules, definitions and references...

EPA is proposing to approve revisions to the State Implementation Plan submitted by the Governor of North Dakota with a letter dated April 11, 2003. The revisions affect portions of air pollution control rules regarding general provisions and emissio...

The Washington State Department of Ecology (Ecology), Benton Clean Air Authority (BCAA), Northwest Air Pollution Authority (NWAPA), Olympic Regional Clean Air Agency (ORCAA), Puget Sound Clean Air Agency (PSCAA), Spokane County Air Pollution Control...