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Other Significant EPA Notices & Rulemakings


78 FR 41698
Final Rule. EPA re-designated the Indianapolis nonattainment area (Hamilton, Hendricks, Johnson, Marion, and Morgan Counties) to attainment for the 1997 PM2.5 NAAQS.

78 FR 41735
Proposed Rule. In response to a request by IDEM submitted June 16, 2011, EPA proposed to approve the re-designation of the Indiana portion of the Louisville nonattainment area (Madison Township, Jefferson County, Clark, and Floyd Counties) to attainment for the 1997 PM2.5 NAAQS.

78 FR 53029
Final Rule. EPA amended the definition of volatile organic compounds (VOCs) for purposes of SIP submittals to exclude the compound trans I-chloro-3,3,3-trifluoroprop-I-ene from the definition of VOCs. The decision to remove the compound from the definition of VOCs was based on the compound’s negligible impact to tropospheric ozone formation. The final rule took effect on September 27, 2013.

78 FR 54173
Final Rule. EPA approved an update to the maintenance plan for the Lake County, Indiana SO2 maintenance area. The update demonstrates that the area will maintain attainment with the 1971 SO2 NAAQS through 2025.

78 FR 54606
Notice of Reconsideration of Final Rule; Request for Public Comment. EPA announced that it was reconsidering and taking public comment on certain provisions of the NESHAPs for stationary reciprocating internal combustion engines and standards of performance for stationary internal combustion engines, in response to three petitions for reconsideration of its final rule promulgated January 30, 2013. EPA is accepting comments through November 4, 2013.  See the second quarter issue of the Air Quality Letter for further details.

78 FR 58415
Final Rule. EPA finalized amendments to the new source performance standards (NSPS) for the oil and natural gas sector. The amendments were made in response to a petition for reconsideration of the final standards originally promulgated on August 12, 2012. Among other items, the amendments changed certain initial compliance dates for storage vessels, clarified the applicability requirements for such vessels, revised the definition of “storage vessel affected facility,” and corrected certain technical and other errors in the standards. The final rule was effective immediately on September 23, 2013.

To view a complete PDF of the Third Quarter 2013 issue of the Air Quality Letter, click HERE.

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