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76 FR 22817

SIP Approval: South Carolina (update of revisions).

76 FR 21807

SIP Approval: Nevada (nonattainment of the 24-hour NAAQS for PM for the Truckee Meadows area by December 31, 2001, but current attainment).

76 FR 23879

SIP Approval: Indiana (discontinuance of vehicle inspection and maintenance program in Clark and Floyd Counties.

76 FR 20846

SIP Approval: Indiana (sulfur dioxide (SO2) and PM limits).

76 FR 18650

SIP Approval: Georgia (attainment of the 1997 annual average fine PM NAAQS for the Rome nonattainment area.

76 FR 22036

SIP Approval: Colorado (partial approval of interstate transport of pollution plan)

76 FR 22038

SIP Approval: California (energy tracking system for the South Coast air quality management district).

76 FR 23876

EPA made final amendments to certain CAA regulations pertaining to Indian tribes.

76 FR 29528

EPA proposed revisions to the NESHAPs for the production of polyvinyl chloride and copolymers during periods of startup, shutdown, and malfunctions, including requirements on demonstration of initial and continuous compliance, continuous monitoring provisions, and recordkeeping and reporting.