Approval and Promulgation of Air Quality Implementation Plans; Ohio; Oxides of Nitrogen Budget Trading Program

الملخص

EPA is proposing to approve Ohio's request to permanently retire 240 oxides of nitrogen (NO X ) allowances from the State's 2005 new source set aside, which would otherwise have been distributed to existing sources that are required participants in the State of Ohio's NO X budget. Under the Federal NO X Budget Trading Program, each participating state receives a main pool of `allowances', which are credits that permit a source to emit one ton of NO X per allowance. Allowances are apportioned state-wide to electricity generating units and other large NO X sources which are subject to the budget trading program. Each year, a certain number of allowances are set aside from the main pool by the State, specifically for use by any new sources subject to the trading program which may come on-line during that year. If no new sources are created, and no new source set aside allowances are used, the new source set aside allowances are returned to the main pool of allowances for use the following year. Retiring 240 new source set aside allowances will provide surplus emission reductions to help compensate for the discontinuation of Ohio's `E-Check' motor vehicle inspection and maintenance (I/