89 FR 49120
SIP Proposal: Michigan (removal of redundant definition for "used oil").
SIP Proposal: Michigan (removal of redundant definition for "used oil").
EPA designated one new equivalent method for measuring concentrations of ozone in ambient air.
SIP Approval: California (revisions to meet extreme area requirements for the 1997 eight-hour ozone NAAQS in the Riverside Co. nonattainment area).
SIP Approval: Michigan (removal of redundant definition for "used oil").
SIP Proposal: Pennsylvania (revisions to attainment plan for the Indiana, Pennsylvania 2010 one-hour sulfur dioxide nonattainment area).
SIP Proposal: Connecticut (removal of State Order Nos. 7002B and 2087 and addition of Consent Order No. 8381).
SIP Approval: Kentucky (revisions to geographical boundary description and attainment status designation for the Henderson-Webster 2010 primary sulfur dioxide nonattainment area).
SIP Proposal: Georgia (regional haze).
SIP Proposal: District of Columbia, Maryland, and Virginia (revisions to motor vehicle emissions budgets and onroad and nonroad mobile emissions for volatile organic compounds and nitrogen oxides for years 2025 and 2030).
SIP Proposal: Nebraska (miscellaneous changes).