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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 27271

EPA suspended the next submission period for the TSCA §8(a) Inventory Update Reporting regulations.

. 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 27908

SIP Approval: Massachusetts (carbon monoxide maintenance plan for Lowell)

76 FR 27610

SIP Approval: Maryland (VOC emissions from large appliance coating facilities)

75 FR 81471

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

76 FR 18064

EPA approved California's airborne toxic control measure for perchloroethylene emissions from dry cleaning and water-repelling operations in place of the national standards

76 FR 29652

SIP Approval: Illinois/Missouri (attainment of the 1997 annual PM NAAQS for the Saint Louis nonattainment area)

75 FR 82536

EPA finalized rulemaking that narrows thresholds of SIP PSD programs in 24 states that apply to GHG-emitting sources.