NR 440.675(6)(b)1.b. b. The percent reduction of TOC determined as specified in sub. (5) (b) achieved by the incinerator or the concentration of TOC (ppmv, by compound) determined as specified in sub. (5) (b) at the outlet of the control device on a dry basis corrected to 3% oxygen.

NR 440.675(6)(b)2. 2. Where an owner or operator subject to the provisions of this section seeks to demonstrate compliance with sub. (3) (a) through use of a boiler or process heater:

NR 440.675(6)(b)2.a. a. A description of the location at which the vent stream is introduced into the boiler or process heater, and

NR 440.675(6)(b)2.b. b. The average combustion temperature of the boiler or process heater with a design heat input capacity of less than 44 MW (150 million Btu/hr) measured at least every 15 minutes and averaged over the same time period of the performance testing.

NR 440.675(6)(b)3. 3. Where an owner or operator subject to the provisions of this section seeks to comply with sub. (3) (b) through the use of a smokeless flare, flare design, that is, steam-assisted, air-assisted or nonassisted, all visible emission readings, heat content determinations, flow rate measurements and exit velocity determinations made during the performance test, continuous records of the flare pilot flame monitoring and records of all periods of operations during which the pilot flame is absent.

NR 440.675(6)(b)4. 4. Where an owner or operator seeks to demonstrate compliance with sub. (3) (c).

NR 440.675(6)(b)4.a. a. Where an absorber is the final recovery device in a recovery system, the exit specific gravity, or alternative parameter which is a measure of the degree of absorbing liquid saturation, if approved by the department, and average exit temperature of the absorbing liquid, measured at least every 15 minutes and averaged over the same time period of the performance testing, both measured while the vent stream is normally routed and constituted; or

NR 440.675(6)(b)4.b. b. Where a condenser is the final recovery device in a recovery system, the average exit, that is, product side, temperature, measured at least every 15 minutes and average over the same time period of the performance testing while the vent stream is normally routed and constituted.

NR 440.675(6)(b)4.c. c. Where a carbon adsorber is the final recovery device in a recovery system, the total steam mass flow measured at least every 15 minutes and averaged over the same time period of the performance test, that is, full carbon bed cycle, temperature of the carbon bed after regeneration, and within 15 minutes of completion of any cooling cycle, and duration of the carbon bed steaming cycle, all measured while the vent stream is normally routed and constituted; or

NR 440.675(6)(b)4.d. d. As an alternative to subd. 4. a., b. or c., the concentration level or reading indicated by the organic monitoring device at the outlet of the absorber, condenser or carbon adsorber measured at least every 15 minutes and averaged over the same time period of the performance testing while the vent stream is normally routed and constituted.

NR 440.675(6)(b)4.e. e. All measurements and calculations performed to determine the TRE index value of the vent stream.

NR 440.675(6)(c) (c) Each owner or operator subject to the provisions of this section shall keep up-to-date, readily accessible continuous records of the equipment operating parameters specified to be monitored under sub. (4) (a) and (c) as well as up-to-date, readily accessible records of periods of operation during which the parameter boundaries established during the most recent performance test are exceeded. The department may at any time require a report of these data. Where a combustion device is used by an owner or operator seeking to demonstrate compliance with sub. (3) (a) or (c), periods of operation during which the parameter boundaries established during the most recent performance tests are exceeded are defined as follows:

NR 440.675(6)(c)1. 1. For thermal incinerators, all 3-hour periods of operation during which the average combustion temperature was more than 28°C (50°F) below the average temperature of the vent stream during the most recent performance test at which compliance with sub. (3) (a) was determined.

NR 440.675(6)(c)2. 2. For catalytic incinerators, all 3-hour periods of operation during which the average temperature of the vent stream immediately before the catalyst bed is more than 28°C (50°F) below the average temperature of the vent stream during the most recent performance test at which compliance with sub. (3) (a) was determined. The owner or operator also shall record all 3-hour periods of operation during which the average temperature difference across the catalyst bed is less than 80% of the average temperature difference of the device during the most recent performance test at which compliance with sub. (3) (a) was determined.

NR 440.675(6)(c)3. 3. All 3-hour periods of operation during which the average combustion temperature was more than 28°C (50°F) below the average combustion temperature during the most recent performance test at which compliance with sub. (3) (a) was determined for boilers or process heaters with a design heat input capacity of less than 44 MW (150 million Btu/hr).

NR 440.675(6)(c)4. 4. For boilers or process heaters, whenever there is a change in the location at which the vent stream is introduced into the flame zone as required under sub. (3) (a).

NR 440.675(6)(d) (d) Each owner or operator subject to the provisions of this section shall keep up-to-date, readily accessible continuous records of the flow indication specified under sub. (4) (a) 2., (b) 2. and (c) 1. as well as up-to-date, readily accessible records of all periods when the vent stream is diverted from the control device or has no flow rate.

NR 440.675(6)(e) (e) Each owner or operator subject to the provisions of this section who uses a boiler or process heater with a design heat input capacity of 44 MW (150 million Btu/hour) or greater to comply with sub. (3) (a) shall keep an up-to-date, readily accessible record of all periods of operation of the boiler or process heater.

NR 440.675 Note Note: Examples of such records could include records of steam use, fuel use or monitoring data collected pursuant to other state or federal regulatory requirements.

NR 440.675(6)(f) (f) Each owner or operator subject to the provisions of this section shall keep up-to-date, readily accessible continuous records of the flare pilot flame monitoring specified in sub. (4) (b), as well as up-to-date, readily accessible records of all periods of operations in which the pilot flame is absent.

NR 440.675(6)(g) (g) Each owner or operator subject to the provisions of this section shall keep up-to-date, readily accessible continuous records of the equipment operating parameters specified to be monitored under sub. (4) (e) as well as up-to-date, readily accessible records of periods of operation during which the parameter boundaries established during the most recent performance test are exceeded. The department may at any time require a report of these data. Where the owner or operator seeks to demonstrate compliance with sub. (3) (c), periods of operation during which the parameter boundaries established during the most recent performance tests are exceeded are defined as follows:

NR 440.675(6)(g)1. 1. Where an absorber is the final recovery device in a recovery system and where an organic monitoring device is not used:

NR 440.675(6)(g)1.a. a. All 3-hour periods of operation during which the average absorbing liquid temperature was more than 11°C (20°F) above the average absorbing liquid temperature during the most recent performance test or

NR 440.675(6)(g)1.b. b. All 3-hour periods of operation during which the average absorbing liquid specific gravity was more than 0.1 unit above or more than 0.1 unit below, the average absorbing liquid specific gravity during the most recent performance test, unless monitoring of an alternative parameter, which is a measure of the degree of absorbing liquid saturation, is approved by the department, in which case the department will define appropriate parameter boundaries and periods of operation during which they are exceeded.

NR 440.675(6)(g)2. 2. When a condenser is the final recovery device in a recovery system and where an organic monitoring device is not used, all 3-hour periods of operation during which the average exit or product side condenser operating temperature was more than 6°C (11°F) above the average exit (product side) operating temperature during the most recent performance test.

NR 440.675(6)(g)3. 3. Where a carbon adsorber is the final recovery device in a recovery system and where an organic monitoring device is not used:

NR 440.675(6)(g)3.a. a. All carbon bed regeneration cycles during which the total mass steam flow was more than 10% below the total mass steam flow during the most recent performance test; or

NR 440.675(6)(g)3.b. b. All carbon bed regeneration cycles during which the temperature of the carbon bed after regeneration, and after completion of any cooling cycle, was more than 10% greater than the carbon bed temperature, in degrees Celsius, during the most recent performance test.

NR 440.675(6)(g)4. 4. Where an absorber, condenser or carbon adsorber is the final recovery device in the recovery system and an organic monitoring device approved by the department is used, all 3-hour periods of operation during which the average concentration level or reading of organic compounds in the exhaust gases is more than 20% greater than the exhaust gas organic compound concentration level or reading measured by the monitoring device during the most recent performance test.