76 FR 12587
SIP Approvals: Tennessee (attainment of the 1997 eight-hour ozone NAAQS for the Knoxville nonattainment area).
SIP Approvals: Tennessee (attainment of the 1997 eight-hour ozone NAAQS for the Knoxville nonattainment area).
SIP Approvals: Ohio (Nitrogen Oxides Budget Trading Program).
SIP Approvals: New Hampshire (attainment of the 1997 eight-hour ozone NAAQS for the Boston-Manchester-Portsmouth, New Hampshire, moderate nonattainment area).
SIP Approvals: Nevada (attainment of the 1997 eight-hour ozone NAAQS for the Clark County nonattainment area)
SIP Approvals: Nebraska (PSD preconstruction permitting program).
SIP Approvals: Montana (attainment of the 1997 annual fine PM NAAQS for the Libby nonattainment area)
SIP Approvals: Missouri (idling of heavy-duty diesel vehicles).
SIP Approvals: Indiana/Kentucky (attainment of the annual average 1997 fine PM NAAQS for the bi-state nonattainment area).
SIP Approval: California (nitrogen oxide, carbon monoxide, sulfur dioxide (SO2), and particulate matter (PM) emissions for the San Joaquin Valley unified air pollution control district)
SIP Approvals: California (definition of terms for the Imperial County, Kern County, and Ventura County air pollution control districts).