Hopping Green & Sams

Post Office Box 6526
Tallahassee, Florida 32314

EPA Finalizes Approval of Florida’s SIP Revisions for 1997 8-hour Ozone NAAQS

Posted Tuesday, January 7th, 2014

The U.S. Environmental Protection Agency (EPA) has approved revisions to Florida’s state implementation plan (SIP) for the 1997 8-hour ozone national ambient air quality standard (NAAQS).  Federal regulations currently impose an ozone-season Reid vapor pressure (RVP) standard of 9.0 psi statewide, except in Broward, Duval, Hillsborough, Miami-Dade, Palm Beach, and Pinellas Counties (hereinafter referred to as the “maintenance plan areas”), which are currently subject to a more stringent ozone-season RVP standard of 7.8 psi due to having been previously designated as nonattainment areas for the 1979 1-hour ozone NAAQS.

As previously reported by HGS here and here, the approved revisions to Florida’s SIP include modifying the maintenance plan areas’ current ozone-season RVP standard of 7.8 psi to a less stringent standard of 9.0 psi; removing motor vehicle inspection and maintenance programs (which were previously implemented as part of Florida’s strategy to meet the 1979 1-hour ozone NAAQS) for the maintenance plan areas; and updating attainment inventories, emissions projections, and air quality monitoring associated with updated and revised modeling related to the change in the applicable RVP standard.

EPA’s approval of Florida’s SIP revisions indicates that EPA will revise the federal regulations contained in 40 C.F.R. 80.27 that separately subject the maintenance plan areas to a RVP standard of 7.8 psi.  However, should EPA decide to modify those regulations, such action will occur in a subsequent rulemaking.

For additional information, contact Andrew Holway.

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