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Virginia Administrative Code
Title 9. Environment
Agency 5. State Air Pollution Control Board
Chapter 40. Existing Stationary Sources
5/18/2021

9VAC5-40-1780. Notification, records, and reporting.

A. The provisions of 9VAC5-40-50 (Notification, Records and Reporting) apply.

B. Any owner subject to the provisions of 9VAC5-40-1770 B shall:

1. Calculate and record on a daily basis the 24-hour average TRS concentration for each operating day for each recovery furnace and lime kiln. Each 24-hour average shall be determined as the arithmetic mean of the appropriate 24 contiguous 1-hour average TRS concentrations provided by each continuous monitoring system installed under 9VAC5-40-1770 B 1.

2. Calculate and record on a daily basis the 24-hour average oxygen concentration for each operating day for each recovery furnace and lime kiln. These 24-hour averages shall correspond to the 24-hour average TRS concentration under subsection B 1 of this section and shall be determined as an arithmetic mean of the appropriate 24 contiguous one-hour average oxygen concentrations provided by each continuous monitoring system installed under 9VAC5-40-1770 B 1.

3. Correct all 24-hour average TRS concentrations to 10 volume percent oxygen, except that all 24-hour average TRS concentrations from a recovery furnace shall be corrected to 8 volume percent using the following equation:

Ccorr = Cuncorr x (21-X)/(21-Y)

where:

Ccorr = the concentration corrected for oxygen.

Cuncorr = the concentration uncorrected for oxygen.

X = the volumetric oxygen concentration in percentage to be corrected (8.0 for recovery furnaces and 10 for lime kilns, incinerators, or other devices).

Y = the measured 24-hour average volumetric oxygen concentration.

4. Record continuously on a daily basis the temperature of any applicable point of incineration.

5. Record on a daily basis the periods of operation for each operating day for each recovery furnace and lime kiln.

C. For the purpose of reports required under 9VAC5-40-50 C, the following information shall be reported:

1. For emissions from any recovery furnace, all 24-hour average TRS concentrations above the applicable emission standard in 9VAC5-40-1690.

2. For emissions from any lime kiln, all 24-hour average TRS concentrations above the applicable emission standard in 9VAC5-40-1690.

3. For emissions from any digester system, multiple-effect evaporator system, or condensate stripper system, all periods in excess of five minutes and their duration during which the combustion temperature is less than 1200°F if the gases are combusted in an incinerator or other device approved by the board which does not generate TRS.

4. For each recovery furnace or lime kiln, the periods of operation.

D. Each owner subject to the provisions of 9VAC5-40-1770 B 1 shall develop and implement a quality assurance plan. At a minimum the plan shall provide for daily calibration drift checks, periodic preventive maintenance, and annual audits. Section 3 of Procedure 1 of Appendix F of 40 CFR Part 60 may be used as a guide by which to pattern the plan.

Statutory Authority

§ 10.1-1308 of the Code of Virginia.

Historical Notes

Derived from VR120-04-1313, eff. October 1, 1989; amended, Virginia Register Volume 15, Issue 12, eff. April 1, 1999.

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