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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 30894

SIP Proposal: Colorado (permit program fees and definition of nitrogen dioxide)

76 FR 28707

SIP Proposal: Colorado (attainment of the 1997 ozone NAAQS).

76 FR 23879

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

76 FR 31263

SIP Proposal: California (limited approval of interstate transport plan)

76 FR 20846

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