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Virginia Administrative Code
Title 9. Environment
Agency 5. State Air Pollution Control Board
Chapter 140. Regulation for Emissions Trading Programs
9/29/2020

9VAC5-140-700. General Requirements.

Article 8
Monitoring and Reporting

A. The owners and operators, and to the extent applicable, the NOx authorized account representative of a NOx Budget unit shall comply with the monitoring and reporting requirements as provided in this article and in Subpart H of 40 CFR Part 75. For purposes of complying with such requirements, the definitions in 9VAC5-140-20 and in 40 CFR 72.2 shall apply, and the terms "affected unit," "designated representative," and "continuous emission monitoring system" (or "CEMS") in 40 CFR Part 75 shall be replaced by the terms "NOx Budget unit," "NOx authorized account representative," and "continuous emission monitoring system" (or "CEMS"), respectively, as defined in 9VAC5-140-20.

B. The owner or operator of each NOx Budget unit shall meet the following requirements:

1. Install all monitoring systems required under this article for monitoring NOx mass. This includes all systems required to monitor NOx emission rate, NOx concentration, heat input, and flow, in accordance with 40 CFR 75.71 and 40 CFR 75.72.

2. Install all monitoring systems for monitoring heat input.

3. Successfully complete all certification tests required under 9VAC5-140-710 and meet all other provisions of this article and 40 CFR Part 75 applicable to the monitoring systems under subdivisions 1 and 2 of this subsection.

4. Record and report data from the monitoring systems under subdivisions 1 and 2 of this subsection.

C. The owner or operator shall meet the requirements of subdivisions B 1, B 2, and B 3 of this section on or before the following dates and shall record and report data on and after the following dates:

1. NOx Budget units under 9VAC5-140-40 that commence operation before January 1, 2003, shall comply with the requirements of this article by May 1, 2003.

2. NOx Budget units under 9VAC5-140-40 that commence operation on or after January 1, 2003, and that report on an annual basis under 9VAC5-140-740 D shall comply with the requirements of this article by the later of the following dates:

a. May 1, 2003; or

b. The earlier of:

(1) 180 days after the date on which the unit commences operation; or

(2) For units under subdivision 1 of 9VAC5-140-40, 90 days after the date on which the unit commences commercial operation.

3. NOx Budget units under 9VAC5-140-40 that commence operation on or after January 1, 2003, and that report on a control period basis under 9VAC5-140-740 D shall comply with the requirements of this article by the later of the following dates:

a. The earlier of:

(1) 180 days after the date on which the unit commences operation; or

(2) For units under subdivision 1 of 9VAC5-140-40, 90 days after the date on which the unit commences commercial operation.

b. However, if the applicable deadline under subdivision 3 a of this subsection does not occur during a control period, May 1; immediately following the date determined in accordance with subdivision 3 a of this subsection.

4. For a NOx Budget unit with a new stack or flue for which construction is completed after the applicable deadline under subdivision 1, 2, or 3 of this subsection:

a. 90 days after the date on which emissions first exit to the atmosphere through the new stack or flue;

b. However, if the unit reports on a control period basis under 9VAC5-140-740 D and the applicable deadline under subdivision 4 a of this subsection does not occur during the control period, May 1 immediately following the applicable deadline in subdivision 4 a of this subsection.

D. The owner or operator of a NOx Budget unit under subdivision C 2, C 3, or C 4 of this section shall determine, record, and report NOx mass emissions, heat input rate, and any other values required to determine NOx mass emissions (e.g., NOx emission rate and heat input rate, or NOx concentration and stack flow rate) in accordance with 40 CFR 75.70(g), from the date and hour that the unit starts operating until the date and hour on which the continuous emission monitoring system, excepted monitoring system under Appendix D or E of 40 CFR Part 75, or excepted monitoring methodology under 40 CFR 75.19 is provisionally certified.

E. 1. No owner or operator of a NOx Budget unit or a non-NOx Budget unit monitored under 40 CFR 75.72(b)(2)(ii) shall use any alternative monitoring system, alternative reference method, or any other alternative for the required continuous emission monitoring system without having obtained prior written approval in accordance with 9VAC5-140-750.

2. No owner or operator of a NOX Budget unit or a non-NOx Budget unit monitored under 40 CFR 75.72(b)(2)(ii) shall operate the unit so as to discharge, or allow to be discharged, NOx emissions to the atmosphere without accounting for all such emissions in accordance with the applicable provisions of this article and 40 CFR Part 75 except as provided for in 40 CFR 75.74.

3. No owner or operator of a NOx Budget unit or a non-NOx Budget unit monitored under 40 CFR 75.72(b)(2)(ii) shall disrupt the continuous emission monitoring system, any portion thereof, or any other approved emission monitoring method, and thereby avoid monitoring and recording NOx 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 article and 40 CFR Part 75 except as provided for in 40 CFR 75.74.

4. No owner or operator of a NOx Budget unit or a non-NOx Budget unit monitored under 40 CFR 75.72(b)(2)(ii) shall retire or permanently discontinue use of the continuous emission monitoring system, any component thereof, or any other approved emission monitoring system under this article, except under any one of the following circumstances:

a. During the period that the unit is covered by a retired unit exemption under 9VAC5-140-50 that is in effect;

b. The owner or operator is monitoring emissions from the unit with another certified monitoring system approved, in accordance with the applicable provisions of this article and 40 CFR Part 75, by the permitting authority for use at that unit that provides emission data for the same pollutant or parameter as the retired or discontinued monitoring system; or

c. The NOx authorized account representative submits notification of the date of certification testing of a replacement monitoring system in accordance with 9VAC5-140-710 A 2.

Statutory Authority

§§ 10.1-1308 and 10.1-1322.3 of the Code of Virginia; Clean Air Act (42 USC § 7401 et seq.) 40 CFR Part 51.

Historical Notes

Derived from Volume 18, Issue 20, eff. July 17, 2002; amended, Virginia Register Volume 34, Issue 05, eff. November 29, 2017.

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