Posted below are EPA's responses (in chronological order) to submitted Part 75 petitions in 2017. Note that the actual, signed and dated response sent to the designated representative constitutes EPA’s official response and governs. When a response is posted below, EPA is not aware of any differences between the posted response and the actual, signed and dated response. EPA intends, and believes, that such differences -- if any -- will be minor and non substantive. For more information, or to see petition responses from other years, return to Part 75 Petition Responses.

• Craig Station (PDF)(6 pp, 47 K, January 12, 2017)
  Approval of an alternative data substitution methodology for Unit C3.
• Independence Power Plant (PDF)(7 pp, 58 K, March 13, 2017)
  Approval of an alternative data substitution methodology for Unit 2.
• Rokeby Generating Station (PDF)(5 pp, 109 K, March 21, 2017)
  Approval of a waiver of the 50-ton ozone-season NOX LME qualification limit for Unit 1.
• Devon Station and Middletown Station (PDF)(4 pp, 45 K, April 10, 2017)
  Approval to use alternative sampling procedures for Appendix E NOX emission rate testing at eight units.
• Gravel Neck and Darbytown Power Stations (PDF)(4 pp, 44 K, April 10, 2017)
  Approval to use alternative sampling procedures to determine fuel-and-unit specific NOx emission rates for eight units.
• Robins (PDF)(7 pp, 163 K, May 25, 2017)
  Approval for the use of a multi-point sampling system for emissions testing for Unit CT1 and CT2.
• Wansley (PDF)(7 pp, 163 K, May 25, 2017)
  Approval for the use of a multi-point sampling system for emissions testing for Unit 5A.
• Jack McDonough (PDF)(7 pp, 163 K, May 25, 2017)
  Approval for the use of a multi-point sampling system for emissions testing for Unit 3AA, 3AB, 3BA and 3BB.
• McIntosh (PDF)(7 pp, 163 K, May 25, 2017)
  Approval for the use of a multi-point sampling system for emissions testing for Unit CT1, CT2, CT3, CT4, CT5, CT6, CT7 and CT8.
• McManus (PDF)(7 pp, 164 K, May 25, 2017)
  Approval for the use of a multi-point sampling system for emissions testing for Unit 3A, 3B, 3C, 4A, 4B, 4C, 4D, 4E, and 4F.
• Permian Basin Power Plant (PDF)(5 pp, 58 K, June 13, 2017)
  Approval to use the low mass emissions (LME) methodology for Units CT1, CT2, CT3, CT4, and CT5.
• Wolf Hollow II Power Plant (PDF)(5 pp, 101 K, June 19, 2017)
  Approval to use an alternative fuel flowmeter calibration procedure for Units CGT4 and CGT5.
• Colorado Bend II Power Plant (PDF)(5 pp, 78 K, July 17, 2017)
  Approval to use an alternative fuel flowmeter calibration procedure for Units CT7 and CT8.
• Roy S Nelson Generating Station.pdf (PDF)(7 pp, 166 K, September 12, 2017)
  Approval of an alternative data substitution methodology for Unit 6.