MONITORING, REPORTING AND RECORDKEEPING REQUIREMENTS
§ 145.371. General monitoring requirements.
The owner or operator, and to the extent applicable, the CO2 authorized account representative of a CO2 budget unit, shall comply with the monitoring, recordkeeping and reporting requirements as provided in this section and § § 145.372—145.377 and all applicable sections of 40 CFR Part 75 (relating to continuous emission monitoring). Where referenced in § § 145.371—145.377 (relating to monitoring, reporting and recordkeeping requirements), the monitoring requirements of 40 CFR Part 75 shall be adhered to in a manner consistent with the purpose of monitoring and reporting CO2 mass emissions under this subchapter. For purposes of complying with these requirements, the definitions in § 145.302 (relating to definitions) and in 40 CFR 72.2 (relating to definitions) apply, and the terms ‘‘affected unit,’’ ‘‘designated representative’’ and ‘‘continuous emissions monitoring system’’ in 40 CFR Part 75 shall be replaced by the terms ‘‘CO2 budget unit,’’ ‘‘CO2 authorized account representative’’ and ‘‘continuous emissions monitoring system,’’ respectively, as defined in § 145.302. For units not subject to an acid rain emissions limitation, the term ‘‘Administrator’’ in 40 CFR Part 75 shall be replaced with ‘‘the Administrator, Department or its agent.’’ The owner or operator of a CO2 budget unit who monitors a unit that is not a CO2 budget unit pursuant to the common, multiple or bypass stack procedures in 40 CFR 75.72(b)(2)(ii) (relating to determination of NOx mass emissions for common stack and multiple stack configurations) or 40 CFR 75.16(b)(2)(ii)(B) (relating to special provisions for monitoring emissions from common, bypass, and multiple stacks for SO2 emissions and heat input determinations) as pursuant to 40 CFR 75.13 (relating to specific provisions for monitoring CO2 emissions) for purposes of complying with this subchapter, shall monitor and report CO2 mass emissions from a unit that is not a CO2 budget unit in accordance with the monitoring, reporting and recordkeeping requirements for a CO2 budget unit under § § 145.371—145.377.
(1) Requirements for installation, certification and data accounting. The owner or operator of each CO2 budget unit must meet the following:
(i) Install all monitoring systems necessary to monitor CO2 mass emissions in accordance with 40 CFR Part 75, except for equation G-1. This includes all systems required to monitor CO2 concentration, stack gas flow rate, O2 concentration, heat input and fuel flow rate, in accordance with 40 CFR Part 75, Subpart H (relating to NOx mass emissions provisions).
(ii) Successfully complete all certification tests required under § 145.372 (relating to initial certification and recertification procedures) and meet all other provisions of this subchapter and 40 CFR Part 75 applicable to the monitoring systems under subparagraph (i).
(iii) Record, report and quality-assure the data from the monitoring systems under subparagraph (i).
(2) Compliance dates. The owner or operator of a CO2 budget unit shall meet the monitoring system certification and other requirements of paragraph (1) and shall record, report and quality-assure data from the monitoring systems under paragraph (1)(i) according to the following schedule:
(i) Except for a CO2 budget unit under subparagraph (ii), a CO2 budget unit that commences commercial operation before October 25, 2021, shall comply with this section and § § 145.372—145.377 by April 23, 2022.
(ii) A CO2 budget unit that commences commercial operation on or after October 25, 2021, shall comply with the requirements of this section and § § 145.372—145.377 by the later of the following dates:
(A) April 23, 2022.
(B) The earlier of:
(I) 90-unit operating days after the date on which the unit commences commercial operation.
(II) 180 calendar days after the date on which the unit commences commercial operation.
(iii) The owner or operator of a CO2 budget unit for which construction of a new stack or flue installation is completed after the applicable deadline under subparagraphs (i) or (ii) by the earlier of:
(A) 90-unit operating days after the date on which emissions first exit to the atmosphere through the new stack or flue.
(B) 180 calendar days after the date on which emissions first exit to the atmosphere through the new stack or flue.
(3) Reporting data.
(i) Except as provided in subparagraph (ii), the owner or operator of a CO2 budget unit that does not meet the applicable compliance date set forth in paragraph (2) for any monitoring system under paragraph (1)(i) shall, for each monitoring system, determine, record and report maximum potential, or as appropriate minimum potential, values for CO2 concentration, CO2 emissions rate, stack gas moisture content, fuel flow rate, heat input and any other parameter required to determine CO2 mass emissions under 40 CFR 75.31(b)(2) or (c)(3) (relating to initial missing data procedures), or 40 CFR Part 75, Appendix D, section 2.4 (relating to optional SO2 emissions data protocol for gas-fired and oil-fired units), regarding missing data procedures, as applicable.
(ii) The owner or operator of a CO2 budget unit that does not meet the applicable compliance date set forth in paragraph (2)(iii) for any monitoring system under paragraph (1)(i) shall, for each monitoring system, determine, record and report substitute data using the applicable missing data procedures in 40 CFR Part 75, Subpart D (relating to missing data substitution procedures) or Appendix D, instead of the maximum potential, or as appropriate minimum potential, values for a parameter if the owner or operator demonstrates that there is continuity between the data streams for that parameter before and after the construction or installation under paragraph (2)(iii).
(A) A CO2 budget unit subject to an acid rain emissions limitation that qualifies for the optional SO2, NOx and CO2 emissions calculations for low mass emissions (LME) units under 40 CFR 75.19 (relating to optional SO2, NOx, and CO2 emissions calculation for low mass emissions (LME) units) and report emissions for the acid rain program using the calculations under 40 CFR 75.19, shall also use the CO2 emissions calculations for LME units under 40 CFR 75.19 for purposes of compliance with this subchapter.
(B) A CO2 budget unit subject to an acid rain emissions limitation that does not qualify for the optional SO2, NOx and CO2 emissions calculations for LME units under 40 CFR 75.19, shall not use the CO2 emissions calculations for LME units under 40 CFR 75.19 for purposes of compliance with this subchapter.
(C) A CO2 budget unit not subject to an acid rain emissions limitation shall qualify for the optional CO2 emissions calculation for LME units under 40 CFR 75.19, if the unit emits less than 100 tons of NOx annually and no more than 25 tons of SO2 annually.
(4) Prohibitions.
(i) An owner or operator of a CO2 budget unit may not use an alternative monitoring system, alternative reference method or another alternative for the required CEMS without having obtained prior written approval in accordance with § 145.376 (relating to petitions).
(ii) An owner or operator of a CO2 budget unit may not operate the unit so as to discharge, or allow to be discharged, CO2 emissions to the atmosphere without accounting for the emissions in accordance with the applicable provisions of this subchapter and 40 CFR Part 75.
(iii) An owner or operator of a CO2 budget unit may not disrupt the CEMS, a portion thereof or another approved emissions monitoring method, and thereby avoid monitoring and recording CO2 mass emissions discharged into the atmosphere, except for periods of recertification or periods when calibration, quality assurance testing or maintenance is performed in accordance with the applicable provisions of this subchapter and 40 CFR Part 75.
(iv) An owner or operator of a CO2 budget unit may not retire or permanently discontinue use of the CEMS, any component thereof or another approved emissions monitoring system under this subchapter, except under one of the following circumstances:
(A) The owner or operator is monitoring emissions from the unit with another certified monitoring system approved, in accordance with the applicable provisions of this subchapter and 40 CFR Part 75, by the Department for use at the unit that provides emissions data for the same pollutant or parameter as the retired or discontinued monitoring system.
(B) The CO2 authorized account representative submits notification of the date of certification testing of a replacement monitoring system in accordance with § 145.372(d)(3)(i).
Cross References This section cited in 25 Pa. Code § 145.302 (relating to definitions); 25 Pa. Code § 145.306 (relating to standard requirements); 25 Pa. Code § 145.323 (relating to contents of an application for a permit incorporating CO2 Budget Trading Program requirements); 25 Pa. Code § 145.331 (relating to compliance certification report); 25 Pa. Code § 145.355 (relating to compliance); 25 Pa. Code § 145.372 (relating to initial certification and recertification procedures); 25 Pa. Code § 145.376 (relating to petitions); and 25 Pa. Code § 145.377 (relating to CO2 budget units that co-fire eligible biomass).
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