Approval and Promulgation of Air Quality Implementation Plans; District of Columbia; Revision of Regulations for Sulfur Content of Fuel Oil

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The Environmental Protection Agency (EPA) is taking direct final action to approve revisions to the District of Columbia state implementation plan (SIP). The revision pertains to the update of the District of Columbia Municipal Regulations (DCMR) to lower the sulfur content of fuel oil. This action is being taken under the Clean Air Act (CAA).