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76 FR 43912
SIP Approval: South Dakota (1997 eight-hour ozone NAAQS and partial approval of PSD program).
76 FR 41111
SIP Approval: South Carolina (1997 eight-hour ozone NAAQS).
76 FR 45424
SIP Approval: Pennsylvania (attainment of the 1997 annual fine PM NAAQS for the Harrisburg, Johnstown, Lancaster, Reading, and York nonattainment areas).
76 FR 42558
SIP Approval: Pennsylvania (NOx emissions from Portland cement kilns).
76 FR 38997
SIP Approval: Oregon (eight-hour ozone and PM NAAQS).
76 FR 43149
SIP Approval: New Mexico (PSD thresholds for GHG emissions).
76 FR 41698
SIP Approval: New Mexico (1997 eight-hour ozone and fine PM NAAQS, full approval of PSD program, etc.).
76 FR 40258
SIP Approval: Nebraska (1997 revisions to NAAQS for ozone).