76 FR 40237
SIP Approval: Montana (partial approval of revisions to air quality permits).
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76 FR 43598
SIP Approval: Missouri (nitrogen oxide (NOx) waiver for the St. Louis metropolitan eight-hour ozone nonattainment area).
76 FR 40619
SIP Approval: Missouri (1997 NAAQS for ozone).
76 FR 41123
SIP Approval: Mississippi (1997 eight-hour ozone NAAQS).
76 FR 42549
SIP Approval: Louisiana (PSD program and 1997 eight-hour ozone and fine PM NAAQS).
76 FR 38977
SIP Approval: Louisiana (rule revisions from 1996-2006).
76 FR 41088
SIP Approval: Kentucky (1997 eight-hour ozone NAAQS).
76 FR 41086
SIP Approval: Ohio (VOC emissions from reinforced plastic composites production operations).
76 FR 40624
SIP Approval: Kansas (1997 NAAQS for ozone).
76 FR 41424
SIP Approval: Iowa (substantially inadequate finding for the 2006 24-hour fine PM NAAQS in Muscatine County).