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76 FR 20237

SIP Approval: District of Columbia (1997 eight-hour ozone and 1997/2006 fine particulate matter (PM) NAAQS).

. 76 FR 30027

EPA withdrew rulemaking that granted a site-specific treatment variance to U.S. Ecology Nevada in Beatty, Nevada, and withdrew an existing site-specific treatment variance issued to Chemical Waste Management, Inc. in Kettleman Hills, California, due to adverse comment.

76 FR 26616

EPA approved revisions to Wisconsin's hazardous waste management program.

75 FR 79300

SIP Approval: Mississippi (incorporation of nitrogen oxide (NOx) as a precursor to ozone).

76 FR 31241

SIP Approval: Massachusetts (delegation of authority for PSD program)

75 FR 81471

SIP Approval: Minnesota (sulfur dioxide (SO2) emissions).

76 FR 27904

SIP Approval: Indiana (updates to definitions)

75 FR 81868

SIP Approval: Kentucky (Greenhouse Gas Tailoring Rule revision).

75 FR 74624

SIP Approval: Georgia (Stage II gasoline vapor recovery rule).