25 Pa. Code § 129.121
(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 fol-lowing 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:
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.
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).