NR 420.04(3)(d)
(d) Operating requirements. The vapor collection system and the gasoline loading equipment shall be designed and operated in a manner that prevents:
NR 420.04(3)(d)1.
1. Gauge pressure from exceeding 4.5 kPa (18 inches of H
2O) and vacuum from exceeding 1.5 kPa (6 inches of H
2O) in the gasoline tank truck.
NR 420.04(3)(d)2.
2. A reading equal to or greater than 100% of the LEL at 2.5 centimeters from all points on the perimeter of a potential leak source.
NR 420.04(3)(d)3.
3. Avoidable visible liquid leaks during loading or unloading operations.
NR 420.04(3)(e)
(e) Delivery vessel unloading. The operator of a delivery vessel may not commence transfer of gasoline to any gasoline dispensing facility equipped with a vapor balance system pursuant to
par. (c) 1. without first properly connecting the vapor return line. The delivery vessel shall be designed, maintained and operated to be vapor tight at all times that it is vapor-laden.
NR 420.04(3)(f)
(f) Delivery vessel refilling. During the ozone season, vapor-laden delivery vessels shall be refilled in this state only at one of the following:
NR 420.04(3)(f)2.
2. Bulk gasoline plants equipped with a vapor balance system for unloading as described in
sub. (2) (e).
NR 420.04(3)(g)
(g) Control equipment installation and maintenance. Each owner of a gasoline storage tank or delivery vessel shall do all of the following:
NR 420.04(3)(g)1.
1. Install all necessary control systems and make all necessary process modifications in accordance with
pars. (b),
(c),
(d) and
(e).
NR 420.04(3)(g)2.
2. Repair, replace or modify any worn out or malfunctioning component or element of design, and keep such records as may be requested in writing by the department relating to the repair, replacement or modification of any component or element of design of the control system.
NR 420.04(3)(g)3.
3. Repair and retest a vapor collection or control system that exceeds the limits of
par. (d) 2. within 15 days.
NR 420.04(3)(h)
(h) Control equipment operating and maintenance instructions. Each owner of a gasoline storage tank shall provide written instructions to the operator of the gasoline dispensing facility describing necessary operating and maintenance procedures and procedures for prompt notification of the owner in case of any malfunction of the control system.
NR 420.04(3)(i)
(i) Control system operation and maintenance requirements. Each operator of a gasoline dispensing facility shall:
NR 420.04(3)(i)1.
1. Maintain and operate the control system in accordance with the specifications and the operating and maintenance procedures specified by the owner.
NR 420.04(3)(i)2.
2. Promptly notify the owner of the control system of any scheduled maintenance or of any malfunction requiring replacement or repair of major components of the system.
NR 420.04(3)(i)3.
3. Keep on the premises a copy of the instructions provided pursuant to
par. (h) and make these instructions available to an authorized representative of the department on request.
NR 420.04(3)(i)4.
4. Maintain such records on maintenance and malfunction as may be requested in writing by the department.
NR 420.04(3)(i)5.
5. Maintain gauges, meters, or other specified testing devices in proper working order.
NR 420.04(4)(a)(a) Applicability. This subsection applies, with compliance deadlines in accord with the compliance schedules for
subs. (1) to
(3), to all gasoline delivery vessels except those exempted from vapor balance system installations under
subs. (2) (a) and
(3) (a) 3.
NR 420.04(4)(b)
(b) Equipment requirements. Except as provided under
par. (a), the owner or operator of a gasoline delivery vehicle shall:
NR 420.04(4)(b)1.
1. Provide for all gasoline delivery vessels to be equipped for gasoline vapor collection.
NR 420.04(4)(b)2.
2. Provide for all loading and vapor lines to be equipped with fittings which make vapor-tight connections.
NR 420.04(4)(b)3.
3. Equip vapor lines leading to the vapor space in the delivery vessel with fittings which close automatically when disconnected.
NR 420.04(4)(b)4.
4. Demonstrate through the sticker required in
subd. 5. that the gasoline delivery vessel is in compliance with the following provisions:
NR 420.04(4)(b)4.b.
b. The vessel may not undergo a pressure change of more than 0.75 kPa (3 inches of H
2O) in 5 minutes when pressurized to a gauge pressure of 4.5 kPa (18 inches of H
2O) or evacuated to a gauge pressure of 1.5 kPa (6 inches of H
2O) during the test required in
subd. 4. a.
NR 420.04(4)(b)4.c.
c. A vessel failing to meet the requirements of
subd. 4. b. shall be repaired and retested within 15 days.
NR 420.04(4)(b)5.
5. Display a sticker near the department of transportation certification plate which:
NR 420.04(4)(b)5.a.
a. Shows the date that the gasoline delivery vessel was last certified under
subd. 4.
NR 420.04(4)(b)6.
6. Design and operate the gasoline loading and unloading equipment in a manner that prevents:
NR 420.04(4)(b)6.a.
a. A reading equal to or greater than 100% of the LEL at 2.5 centimeters from all points on the perimeter of a potential leak source.
NR 420.04(4)(c)1.1. Maintain for a period of 3 years from the recording date a log for each delivery vessel containing, at a minimum:
NR 420.04 History
History: Renum. from NR 154.13 (3) (a) to (d) and am.,
Register, September, 1986, No. 369, eff. 10-1-86; am; (1) (c) and (f) (intro.), (2) (b) (intro.), (c) (intro.), (d) (intro.) and (h), (3) (b) (intro.) and (e), (4) (a), (b) 4. a. and b., (c) 1. a. and b. r. and recr. (4) (c) 1. c., r. (4) (c) 1. d. to f.,
Register, February, 1990, No. 410, eff. 3-1-90; correction in (2) (a) 1. and (c) (intro.). made under s. 13.93 (2m) (b) 7., Stats.,
Register, February, 1990, No. 410; am. (3) (d) (intro.),
Register, May, 1992, No. 437, eff. 6-1-92; correction in (2) (a) 2. made under s. 13.93 (2m) (b) 7., Stats.,
Register, May, 1992, No. 437; am. (2) (a) 2. and (3) (a) 2.,
Register, January, 1993, No. 445, eff. 2-1-93; am. (1) (b) 1. b., (2) (a) (intro.), (3) (c) 2., (4) (c) 1. c., r. (1) (b) 1. c. and (3) (c) 3.,
Register, December, 1993, No. 456, eff. 1-1-94
; am. (2) (a) (intro.) and 2.,
Register, December, 1995, No. 480, eff. 1-1-96; am. (1) (b) (intro.), (f) (intro.), 1., (2) (b), (c) (intro.), 1., (d) (intro.), (3) (c) 2., (f) (intro.), (g) (intro.), (4) (b) 4. b., r. (2) (c) 2.,
Register, December, 1996, No. 492, eff. 1-1-97; am. (2) (a) 2. and (3) (g) 1.,
Register, October, 1999, No. 526, eff. 11-1-99;
CR 15-077: am. (1) (b) 4., (3) (c) 1. Register July 2016 No. 727, eff. 8-1-16. NR 420.05
NR 420.05 Petroleum refinery sources. NR 420.05(1)(a)(a) Applicability. This subsection applies, subject to the provisions of
s. NR 425.03, to vacuum producing systems at petroleum refining sources.
NR 420.05(1)(b)
(b) Requirements. The owner or operator of any vacuum producing systems at a petroleum refinery may not permit the emission of any noncondensible VOC, from the condensers or accumulators of the system. The control required by this paragraph shall be achieved by one of the following:
NR 420.05(1)(b)1.
1. Piping the noncondensible vapors to an operating firebox or incinerator.
NR 420.05(1)(b)2.
2. Compressing the vapors and adding them to the refinery fuel gas.
NR 420.05(2)(a)(a) Applicability. This subsection applies, subject to the provisions of
s. NR 425.03, to wastewater separators at petroleum refining sources.
NR 420.05(2)(b)
(b) Requirements. The owner or operator of any wastewater (oil-water) separators at petroleum refinery shall do both of the following:
NR 420.05(2)(b)1.
1. Provide covers and seals approved by the department on all separators and forebays.
NR 420.05(2)(b)2.
2. Equip all openings in covers, separators, and forebays with lids or seals such that the lids or seals are in the closed position at all times except when in actual use.
NR 420.05(3)(a)(a) Applicability. This subsection applies to process unit turnarounds at petroleum refining sources.
NR 420.05(3)(b)
(b) Requirements. The owner or operator of a petroleum refinery shall develop and submit to the department for approval a detailed procedure for minimizing VOC emissions during process unit turnaround. At a minimum, the procedure shall provide for all of the following:
NR 420.05(3)(b)1.
1. Depressurization venting of the process unit or vessel to a flare, firebox or vapor recovery system which prevents release to the ambient air of at least 90% by weight of the VOCs vented.
NR 420.05(3)(b)2.
2. No emission of VOCs from a process unit or vessel until its internal pressure is 136 kPa (19.7 psia) or less.
NR 420.05(3)(b)3.b.
b. The approximate total quantity of VOCs emitted and the duration of the emission.
NR 420.05(4)(a)(a) Applicability. This subsection applies to specific fugitive emissions sources at petroleum refineries.
NR 420.05(4)(b)
(b) Valve requirements. The owner or operator of a petroleum refinery may not:
NR 420.05(4)(b)1.
1. Install a valve at the end of a pipe or line containing VOCs unless one of the following applies:
NR 420.05(4)(b)1.a.
a. The pipe or line is sealed with a second valve, a blind flange, a plug, or a cap.
NR 420.05(4)(b)2.
2. Operate a pipeline valve or pressure relief valve in gaseous service unless it is visibly marked.
NR 420.05(4)(c)
(c) Monitoring. The owner or operator of a petroleum refinery shall:
NR 420.05(4)(c)1.
1. Develop and submit to the department for approval a monitoring schedule for fugitive emission sources. At a minimum, the schedule shall provide for:
NR 420.05(4)(c)1.a.
a. Yearly monitoring of all pump seals, pipeline valves in liquid service, and process drains.
NR 420.05(4)(c)1.b.
b. Quarterly monitoring of all compressor seals, pipeline valves in gaseous service, and pressure relief valves in gaseous service.
NR 420.05(4)(c)2.
2. Provide for the following actions to be performed immediately under the following circumstances:
NR 420.05(4)(c)2.b.
b. Monitoring, subsequent to repair, of any component that had been found leaking.
NR 420.05(4)(c)2.c.
c. Visual inspection of the seating of any pressure relief valve after it has vented to the atmosphere.
NR 420.05(4)(c)3.a.
a. A pressure relief device connected to an operating flare header, or vapor recovery device.
NR 420.05(4)(c)4.
4. Upon detection of a leaking component which is producing a VOC concentration in excess of 10,000 ppm at any point accessible to the monitoring device, do all of the following:
NR 420.05(4)(c)4.a.
a. Affix a weatherproof and readily visible tag bearing an identification number and the date the leak is detected to the leaking component.
NR 420.05(4)(c)4.b.
b. Include the leaking component on a written list of scheduled repairs within 24 hours.
NR 420.05(4)(c)4.c.
c. Repair and retest the component within 15 days when this is possible without shutting down operations.
NR 420.05(4)(c)4.d.
d. Identify all leaking components which cannot be repaired until the unit is shut down for turnaround.
NR 420.05(4)(d)
(d) Reporting. Beginning January 15, 1982, the owner or operator of a petroleum refinery shall submit quarterly reports to the department containing the following:
