Responses to 40 CFR Part 75 Petitions - 2024

Posted below are EPA's responses (in chronological order) to submitted Part 75 petitions in 2024. 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

• Harrington Station (pdf) (249.03 KB, October 16, 2024)
  Approval for a waiver of the requirement to provide operating data to qualify as “gas-fired” for units 061B, 062B and 063B.
• Commonwealth Chesapeake Station (pdf) (243.04 KB, May 3, 2024)
  Approval for use alternative sampling procedures for appendix E NOX emission rate testing on units CT-001, CT-002, CT-003, CT-004, CT-005, CT-006 and CT-007.
• Laramie River Station (pdf) (221.58 KB, May 14, 2024)
  Approval to accept the results of the June 2021 relative accuracy tests for units 1 and 2.
• Charles R. Lowman Power Plant (pdf) (183.15 KB, June 6, 2024)
  Approval to use hourly gross calorific value (GCV) data in calculations of hourly heat input rate for unit CC1.