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The Pennsylvania Code website reflects the Pennsylvania Code changes effective through 54 Pa.B. 488 (January 27, 2024).

25 Pa. Code § 129.121. General provisions and applicability.


§ 129.121. General provisions and applicability.

 (a)  Applicability. Beginning December 10, 2022, this section and § §  129.122—129.130 apply to an owner or operator of one or more of the following unconventional oil and natural gas sources of VOC emissions installed at an unconventional well site, a gathering and boosting station or a natural gas processing plant in this Commonwealth which were constructed on or before December 10, 2022:

   (1)  Storage vessels at:

     (i)   An unconventional well site.

     (ii)   A gathering and boosting station.

     (iii)   A natural gas processing plant.

     (iv)   The natural gas transmission and storage segment.

   (2)  Natural gas-driven continuous bleed pneumatic controllers.

   (3)  Natural gas-driven diaphragm pumps.

   (4)  Reciprocating compressors and centrifugal compressors.

   (5)  Fugitive emissions components.

 (b)  Existing RACT permit. Compliance with the requirements of this section and § §  129.122—129.130 assures compliance with the requirements of a permit issued under § §  129.91—129.95 (relating to stationary sources of NOx and VOCs) or § §  129.96—129.100 (relating to additional RACT requirements for major sources of NOx and VOCs) to the owner or operator of a source subject to subsection (a) prior to December 10, 2022, to control, reduce or minimize VOC emissions from oil and natural gas sources listed in subsection (a), except to the extent the operating permit contains more stringent requirements.


   The provisions of this §  129.121 added under section 5(a)(1) and (8) of the Air Pollution Act (35 P.S. §  4005(a)(1) and (8)).


   The provisions of this §  129.121 added December 9, 2022, effective December 10, 2022, 52 Pa.B. 7587.

Cross References

   This section cited in 25 Pa. Code §  129.122 (relating to definitions, acronyms and EPA methods); 25 Pa. Code §  129.123 (relating to storage vessels); 25 Pa. Code §  129.124 (relating to natural gas-driven continuous bleed pneumatic controllers); 25 Pa. Code §  129.125 (relating to natural gas-driven diaphragm pumps); 25 Pa. Code §  129.126 (relating to compressors); 25 Pa. Code §  129.127 (relating to fugitive emissions components); 25 Pa. Code §  129.129 (relating to control devices); and 25 Pa. Code §  129.130 (relating to recordkeeping and reporting).

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