NR 440.62(3)(b)2.b.b. If there are indications of liquids dripping from the pump seal a leak is detected. NR 440.62(3)(b)3.a.a. When a leak is detected it shall be repaired as soon as practicable but not later than 15 calendar days after it is detected, except as provided in par. (i). NR 440.62(3)(b)3.b.b. A first attempt at repair shall be made no later than 5 calendar days after each leak is detected. NR 440.62(3)(b)4.4. Each pump equipped with a dual mechanical seal system that includes a barrier fluid system is exempt from the requirements of subd. 1. provided the following requirements are met: 1) Operated with the barrier fluid at a pressure that is at all times greater than the pump stuffing box pressure.
2) Equipment with a barrier fluid degassing reservoir that is routed to a process or fuel gas system or connected by a closed vent system to a control device that complies with the requirements of par. (j).
3) Equipped with a system that purges the barrier fluid into a process stream with zero VOC emissions to the atmosphere.
NR 440.62(3)(b)4.b.b. The barrier fluid system is in heavy liquid service or is not in VOC service. NR 440.62(3)(b)4.c.c. Each barrier fluid system is equipped with a sensor that will detect failure of the seal system, the barrier fluid system, or both. NR 440.62(3)(b)4.d.d. Each pump is checked by visual inspection each calendar week for indications of liquids dripping from the pump seals. NR 440.62(3)(b)4.e.e. 1) Each sensor as described in subd. 4. c. is checked daily or is equipped with an audible alarm, and 2) The owner or operator determines, based on design considerations and operating experience, a criterion that indicates failure of the seal system, the barrier fluid system, or both.
NR 440.62(3)(b)4.f.f. 1) If there are indications of liquids dripping from the pump seal or the sensor indicates failure of the seal system, the barrier fluid system, or both based on the criterion determined in subd. 4. e. 2) a leak is detected. 2) When a leak is detected it shall be repaired as soon as practicable but no later than 15 calendar days after it is detected, except as provided in par. (i).
3) A first attempt at repair shall be made no later than 5 calendar days after each leak is detected.
NR 440.62(3)(b)5.5. Any pump that is designated as described in sub. (7) (e) 1. and 2. for no detectable emission, as indicated by an instrument reading of less than 500 ppm above background, is exempt from the requirements of subds. 1., 3. and 4. if the pump: NR 440.62(3)(b)5.b.b. Is demonstrated to be operating with no detectable emissions as indicated by an instrument reading of less than 500 ppm above ground as measured by the methods specified in sub. (6) (c), and NR 440.62(3)(b)5.c.c. Is tested for compliance with sub. (6) (e) 2. initially upon designation, annually and at other times requested by the department. NR 440.62(3)(b)6.6. If any pump is equipped with a closed vent system capable of capturing and transporting any leakage from the seal or seals to a process or to a fuel gas system or to a control device that complies with the requirements of par. (j), it is exempt from the requirements of subds. 1. to 5. NR 440.62(3)(b)7.7. Any pump that is designated, as described in sub. (7) (f) 1., as an unsafe-to-monitor pump is exempt from the monitoring and inspection requirements of subds. 1. and 4. d. to f. if the owner or operator of the pump does all of the following: NR 440.62(3)(b)7.a.a. Demonstrates that the pump is unsafe-to-monitor because monitoring personnel would be exposed to an immediate danger as a consequence of complying with subd. 1. NR 440.62(3)(b)7.b.b. Has a written plan that requires monitoring of the pump as frequently as practicable during safe-to-monitor times but not more frequently than the periodic monitoring schedule otherwise applicable, and repairs the equipment according to the procedures in subd. 3. if a leak is detected. NR 440.62(3)(b)8.8. Any pump that is located within the boundary of an unmanned plant site is exempt from the weekly visual inspection requirement of subds. 1. b. and 4. d. and the daily requirements of subd. 4. e. provided that each pump is visually inspected as often as practicable and at least monthly. NR 440.62(3)(c)1.1. Each compressor shall be equipped with a seal system that includes a barrier fluid system that prevents leakage of VOC to the atmosphere, except as provided in par. (a) 3. and subds. 8. and 9. NR 440.62(3)(c)2.2. Each compressor seal system as required in subd. 1. shall be one of the following: NR 440.62(3)(c)2.a.a. Operated with a barrier fluid at a pressure that is greater than the compressor stuffing box pressure. NR 440.62(3)(c)2.b.b. Equipped with a barrier fluid system degassing reservoir that is routed to a process or fuel gas system or connected by a closed vent system to a control device that complies with the requirements of par. (j). NR 440.62(3)(c)2.c.c. Equipped with a system that purges the barrier fluid into a process stream with zero VOC emissions to the atmosphere. NR 440.62(3)(c)3.3. The barrier fluid system shall be in heavy liquid service or may not be in VOC service. NR 440.62(3)(c)4.4. Each barrier fluid system as described in subd. 1. shall be equipped with a sensor that will detect failure of the seal system, barrier fluid system, or both. NR 440.62(3)(c)5.a.a. Each sensor as required in subd. 4. shall be checked daily or shall be equipped with an audible alarm. NR 440.62(3)(c)5.b.b. The owner or operator shall determine, based on design considerations and operating experience, a criterion that indicates failure of the seal system, the barrier fluid system, or both. NR 440.62(3)(c)6.6. If the sensor indicates failure of the seal system, the barrier system, or both based on the criterion determined under subd. 5. b. a leak is detected. NR 440.62(3)(c)7.a.a. When a leak is detected it shall be repaired as soon as practicable, but not later than 15 calendar days after it is detected, except as provided in par. (i). NR 440.62(3)(c)7.b.b. A first attempt at repair shall be made no later than 5 calendar days after each leak is detected. NR 440.62(3)(c)8.8. A compressor is exempt from the requirements of subds. 1. and 2. if it is equipped with a closed vent system to capture and transport leakage from the compressor drive shaft back to a process or fuel gas system or to a control device that complies with the requirements of par. (j), except as provided in subd. 9. NR 440.62(3)(c)9.9. Any compressor that is designated as described in sub. (7) (e) 1. and 2. for no detectable emissions, as indicated by an instrument reading of less than 500 ppm above background, is exempt from the requirements of subds. 1. to 8. if the compressor: NR 440.62(3)(c)9.a.a. Is demonstrated to be operating with no detectable emissions as indicated by an instrument reading of less than 500 ppm above background, as measured by the methods specified in sub. (6) (c); and NR 440.62(3)(c)9.b.b. Is tested for compliance with subd. 9. a. initially upon designation, annually and at other times requested by the department. NR 440.62(3)(c)10.10. Any existing reciprocating compressor in a process unit which becomes an affected facility under provisions of s. NR 440.14 or 440.15 is exempt from subds. 1., 2., 3., 4., 5. and 8. provided the owner or operator demonstrates that recasting the distance piece or replacing the compressor are the only options available to bring the compressor into compliance with the provisions of subds. 1., 2., 3., 4., 5. and 8. NR 440.62(3)(d)1.1. Except during pressure releases, each pressure relief device in gas/vapor service shall be operated with no detectable emissions as indicated by an instrument reading of less than 500 ppm above background, as determined by the methods specified in sub. (6) (c). NR 440.62(3)(d)2.a.a. After each pressure release the pressure relief device shall be returned to a condition of no detectable emissions, as indicated by an instrument reading of less than 500 ppm above background, as soon as practicable but no later than 5 calendar days after the pressure release, as provided in par. (i). NR 440.62(3)(d)2.b.b. No later than 5 calendar days after the pressure release the pressure relief device shall be monitored to confirm the conditions of no detectable emissions, as indicated by an instrument reading of less than 500 ppm above background, by the methods specified in sub. (6) (c). NR 440.62(3)(d)3.3. Any pressure relief device that is routed to a process or fuel gas system or equipped with a closed vent system capable of capturing and transporting leakage through the pressure relief device to a control device as described in par. (j) is exempted from the requirements of subds. 1. and 2. NR 440.62(3)(d)4.a.a. Any pressure relief device that is equipped with a rupture disk upstream of the pressure relief device is exempt from the requirements of subds. 1. and 2., provided the owner or operator complies with the requirements in subd. 4. b. NR 440.62(3)(d)4.b.b. After each pressure release, a new rupture disk shall be installed upstream of the pressure relief device as soon as practicable, but no later than 5 calendar days after each pressure release, except as provided in par. (i). NR 440.62(3)(e)1.1. Each sampling connection system shall be equipped with a closed purge, closed loop or closed vent system, except as provided in par. (a) 3. Gases displaced during filling of the sample container are not required to be collected or captured. NR 440.62(3)(e)2.2. Each closed purge, closed loop or closed vent system as required in subd. 1. shall do one of the following: NR 440.62(3)(e)2.c.c. Be designed and operated to capture and transport all the purged process fluid to a control device that complies with the requirements of par. (j). NR 440.62(3)(e)2.d.d. Collect, store and transport the purged process fluid to any of the following systems or facilities: 1) A waste management unit as defined in 40 CFR 63.111, if the waste management unit is subject to, and operated in compliance with the provisions of 40 CFR part 63, subpart G, applicable to group 1 wastewater streams. 3) A facility permitted, licensed or registered by a state to manage municipal or industrial solid waste, if the process fluids are not hazardous waste as defined in 40 CFR part 261. NR 440.62(3)(e)3.3. In situ-sampling systems and sampling systems without purges are exempt from subds. 1. and 2. NR 440.62(3)(f)1.a.a. Each open-ended valve or line shall be equipped with a cap, blind flange, plug, or a second valve, except as provided in par. (a) 3. NR 440.62(3)(f)1.b.b. The cap, blind flange, plug, or second valve shall seal the open end at all times except during operations requiring process fluid flow through the open-ended valve or line. NR 440.62(3)(f)2.2. Each open-ended valve or line equipped with a second valve shall be operated with a second valve shall be operated in a manner such that the valve on the process fluid end is closed before the second valve is closed. NR 440.62(3)(f)3.3. When a double block-and-bleed system is being used, the bleed valve or line may remain open during operations that require venting the line between the block valves but shall comply with subd. 1. at all other times. NR 440.62(3)(f)4.4. Open-ended valves or lines in an emergency shutdown system which are designed to open automatically in the event of a process upset are exempt from the requirements of subds. 1. to 3. NR 440.62(3)(f)5.5. Open-ended valves or lines containing materials which would autocatalytically polymerize or would present an explosion, serious overpressure or other safety hazard if capped or equipped with a double block and bleed system as specified in subds. 1. to 3. are exempt from the requirements of subds. 1. to 3. NR 440.62(3)(g)(g) Valves in gas/vapor service and in light liquid service. NR 440.62(3)(g)2.2. In an instrument reading of 10,000 ppm or greater is measured a leak is detected. NR 440.62(3)(g)3.a.a. Any valve for which a leak is not detected for 2 successive months may be monitored the first month of every quarter, beginning with the next quarter, until a leak is detected. NR 440.62(3)(g)3.b.b. If a leak is detected the valve shall be monitored monthly until a leak is not detected for 2 successive months. NR 440.62(3)(g)4.a.a. When a leak is detected it shall be repaired as soon as practicable, but no later than 15 calendar days after the leak is detected, except as provided in par. (i). NR 440.62(3)(g)4.b.b. A first attempt at repair shall be made no later than 5 calendar days after each leak is detected. NR 440.62(3)(g)5.5. First attempts at repair include, but are not limited to, the following best practices where practicable: NR 440.62(3)(g)6.6. Any valve that is designated as described in sub. (7) (e) 2. for no detectable emissions, as indicated by an instrument reading of less than 500 ppm above background, is exempt from the requirements of subd. 1. if the valve:
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Department of Natural Resources (NR)
Chs. NR 400-499; Environmental Protection – Air Pollution Control
administrativecode/NR 440.62(3)(c)2.a.
administrativecode/NR 440.62(3)(c)2.a.
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