Findings of Significant Contribution and Rulemakings on Section 126 Petitions and Federal Implementation Plans for Purposes of Reducing Interstate Ozone Transport

Zusammenfassung

In accordance with section 126 of the Clean Air Act (CAA), EPA is proposing action on eight petitions filed individually by eight Northeastern States seeking to mitigate what they describe as significant transport of one of the main precursors of ground-level ozone, nitrogen oxides (NO X ), across State boundaries. Each petition specifically requests that EPA make a finding that NO X emissions from certain stationary sources significantly contribute to ozone nonattainment problems in the petitioning State. As described in a longer, more detailed section 126 proposed rulemaking entitled, ``Findings of Significant Contribution and Rulemaking on Section 126 Petitions for Purposes of Reducing Interstate Ozone Transport'' (hereafter referred to as the longer section 126 NPR), which was signed at the same time as this NPR, EPA is proposing to find that portions of certain petitions are technically meritorious under the test applicable under section 126. The EPA is proposing that the technically meritorious portions of the petitions be deemed granted or denied at certain later dates pending certain actions by the States and EPA regarding State submittals in response to the final NO X Stat