BAY AREA AIR QUALITY MANAGEMENT DISTRICT

 
 
REGULATION 8
ORGANIC COMPOUNDS
RULE 18
EQUIPMENT LEAKS
INDEX
8-18-100 GENERAL

8-18-200 DEFINITIONS

8-18-300 STANDARDS

8-18-400 ADMINISTRATIVE REQUIREMENTS

8-18-500 MONITORING AND RECORDS

8-18-600 MANUAL OF PROCEDURES
 



 
REGULATION 8
ORGANIC COMPOUNDS
RULE 18
EQUIPMENT LEAKS
(Adopted October 1, 1980)
8-18-100 GENERAL

8-18-101 Description: The purpose of this Rule is to limit emissions of organic compounds, including methane, from leaking equipment at petroleum refineries, chemical plants, bulk plants and bulk terminals including, but not limited to: valves, connectors, pumps, compressors, pressure relief devices, diaphragms, hatches, sight-glasses, fittings, sampling ports, meters, pipes, and vessels.

(Amended March 17, 1982; March 4, 1992; January 7, 1998)

8-18-110 Exemption, Controlled Seal Systems and Pressure Relief Devices: Except for Section 8-18-603, the provisions of this Rule shall not apply to seal systems and pressure relief devices vented to a vapor recovery or disposal system which reduces the emissions of organic compounds from the equipment by 95% or greater.

(Renumbered and Amended January 7, 1998)

8-18-111 Exemption, Small Facilities: The provisions of this rule shall not apply to facilities which have less than 100 valves or less than 10 pumps and compressors. Such facilities are subject to the requirements of Regulation 8, Rule 22.

(Adopted March 4, 1992; Renumbered and Amended January 7, 1998)

8-18-112 Exemption, Bulk Plant and Terminal Loading Racks: The provisions of this rule shall not apply to those connections at the interface between the loading rack and the vehicle being loaded.

(Adopted March 4, 1992; Renumbered and Amended January 7, 1998)

8-18-113 Limited Exemption, Initial Boiling Point: The provisions of Sections 8-18-400 shall not apply to equipment which handle organic liquids having an initial boiling point greater than 302° F.

(Adopted March 4, 1992; Renumbered and Amended January 7, 1998)

8-18-114 Limited Exemption, Research and Development: The provisions of Section 8-18-401, 402 and 502 shall not apply to research and development plants which produce only non-commercial products solely for research and development purposes.

(Adopted March 4, 1992; Renumbered and Amended January 7, 1998)

8-18-115 Limited Exemption, Storage Tanks: The provisions of this rule shall not apply to appurtenances on storage tanks including pressure relief devices, which are subject to requirements contained in Regulation 8, Rule 5: Storage of Organic Liquids.

(Adopted January 7, 1998)

8-18-116 Limited Exemption, Vacuum Service: The provisions of Section 8-18-400 and 502 shall not apply to equipment in vacuum service. (Amended January 7, 1998)

8-18-117 Limited Exemption, Visual Inspection: The provisions of Section 8-18-403 shall not apply to days when a facility is not staffed.

(Renumbered and Amended January 7, 1998)

8-18-118 Deleted January 7, 1998

8-18-200 DEFINITIONS

8-18-201 Background: The ambient concentration of total organic compounds determined at least 3 meters (10 feet) upwind from the equipment to be inspected and not influenced by any specific emission point as indicated by a hydrocarbon analyzer specified by Section 8-18-501.

(Amended March 4, 1992)

8-18-202 Bulk Plants and Terminals: A distribution facility which is subject to Regulation 8, Rule 6, 33 or 39.

(Renumbered and Amended January 7, 1998)

8-18-203 Chemical Plant: Any facility engaged in producing organic or inorganic chemicals and/or manufacturing chemical products by chemical processes. Any facility or operation that has 28 as the first two digits in their Standard Industrial Classification Code as determined from the Standard Industrial Classification Manual. Chemical plants include facilities that manufacture chemical products by chemical processes such as: industrial inorganic and organic chemicals; plastic and synthetic resins, synthetic rubber, synthetic and other man made fibers; drugs; soap, detergents and cleaning preparations, perfumes, cosmetic and other toilet preparations; paints, varnishes, lacquers, enamels and allied products; agricultural chemicals; safflower and sunflower oil extracts; re-refining.

(Renumbered and Amended January 7, 1998)

8-18-204 Connection: Flanged, screwed, or other joined fittings used to connect equipment.

(Renumbered and Amended January 7, 1998)

8-18-205 Equipment: All components including, but not limited to: valves, pumps, compressors, pressure relief devices, diaphragms, hatches, fittings, sampling ports, pipes, plugs, open-ended lines, gages or sight-glasses.

(Renumbered and Amended January 7, 1998)

8-18-206 Inaccessible Equipment: Any equipment located over 13 feet above the ground when access is required from the ground; or any equipment located over 6.5 feet away from a platform when access is required from a platform.

(Renumbered and Amended January 7, 1998)

8-18-207 Inspection: The determination of the concentration of total organic compounds leaking from equipment using EPA Reference Method 21 as required by Section 8-18-501.

8-18-208

(Renumbered and Amended January 7, 1998)

8-18-208 Leak: The concentration of total organic compounds measured above background, measured 1 centimeter or less from the leak, expressed as methane and measured using EPA Reference Method 21.

(Renumbered and Amended January 7, 1998)

8-18-209 Leak Minimization: Reducing the leak to the lowest achievable level using best modern practices and without shutting down the process the equipment serves.

(Renumbered March 17, 1982; Amended March 4, 1992; January 7, 1998)

8-18-210 Leak Repair: The tightening, adjustment, or addition of packing material, or the replacement of the equipment, which reduces the leakage to the atmosphere below the applicable standard in Section 8-18-300.

(Renumbered March 17, 1982; Amended March 4, 1992; January 7, 1998)

8-18-211 Liquid Leak: Dripping of liquid at a rate of greater than 3 drops per minute and a concentration of total organic compounds greater than the applicable leak standard in Section 8-18-300.

(Renumbered and Amended January 7, 1998)

8-18-212 Organic Compound: Any compound of carbon, excluding methane, carbon monoxide, carbon dioxide, carbonic acid, metallic carbides or carbonates and ammonium carbonate.

(Renumbered and Amended January 7, 1998)

8-18-213 Petroleum Refinery: Any facility that processes petroleum products as defined in Standard Industrial Classification Manual as Industry No. 2911, Petroleum Refining.

(Renumbered and Amended January 7, 1998)

8-18-214 Pressure Relief Device: The automatic pressure-relieving device actuated by the static pressure upstream of the device including, but not limited to pressure relief valves and rupture disks.

(Renumbered and Amended January 7, 1998)

8-18-215 Process Unit: A manufacturing process which is independent of other processes and is continuous when supplied with a constant feed or raw materials and has sufficient storage facilities for product.

(Renumbered and Amended January 7, 1998)

8-18-216 Quarter: One of the four consecutive 3-month divisions of the calendar year beginning on January 1.

(Renumbered and Amended January 7, 1998)

8-18-217 Reinspection: Any inspection following the minimization or repair of leaking equipment.

(Renumbered and Amended January 7, 1998)

8-18-218 Rupture Disc: The thin metal diaphragm held between flanges.

(Renumbered and Amended January 7, 1998)

8-18-219 Total Organic Compounds: The concentration of organic compounds as indicated by a hydrocarbon analyzer as specified by Section 8-18-501, including methane.

(Renumbered and Amended January 7, 1998)

8-18-220 Turnaround: The scheduled shutdown of a process unit for maintenance and repair work.

(Renumbered and Amended January 7, 1998)

8-18-221 Valve: Any device that regulates the flow of process material by means of an external actuator acting to permit or block passage of liquids or gases.

(Renumbered and Amended January 7, 1998)

8-18-222 Weephole: A drain hole in the discharge horn of a pressure relief device.

(Adopted January 7, 1998)

8-18-223 Deleted January 7, 1998
8-18-224 Deleted January 7, 1998

8-18-300 STANDARDS

8-18-301 General: Except for valves, pumps and compressors, connections and pressure relief devices subject to the requirements of Sections 8-18-302, 303, 304, 305 and 306, a person shall not use any equipment that leaks total organic compounds in excess of 100 ppm unless the leak has been discovered by the operator, minimized within 24 hours and repaired within 7 days.

(Amended 7/15/81; 3/17/82; 9/6/89; 3/4/92; 1/7/98)

8-18-302 Valves: A person shall not use any valve that leaks total organic compounds in excess of 100 ppm unless the leak has been discovered by the operator, minimized within 24 hours and repaired within 7 days; or if the leak has been discovered by the APCO, repaired within 24 hours.

(Adopted March 4, 1992; Amended January 7, 1998)

8-18-303 Pumps and Compressors: A person shall not use any pump or compressor that leaks total organic compounds in excess of 500 ppm unless the leak has been discovered by the operator, minimized within 24 hours and repaired within 7 days; or if the leak has been discovered by the APCO, repaired within 24 hours.

(Adopted March 4, 1992; Amended January 7, 1998)

8-18-304 Connections: A person shall not use any connection that leaks total organic compounds in excess of 100 ppm unless one of the following conditions are met:

(Adopted March 4, 1992; Amended January 7, 1998)

8-18-305 Pressure Relief Devices: A person shall not use any pressure relief device that leaks total organic compounds in excess of 500 ppm unless the leak has been discovered by the operator, minimized within 24 hours and repaired within 15 days; or if the leak has been discovered by the APCO, repaired within 7 days.

(Amended January 7, 1998)

8-18-306 Non-repairable Equipment: Any valve, pressure relief device, pump or compressor which cannot be repaired as required by Section 8-18-302, 303 or 305, must comply with the following conditions:

 

Equipment Total Number of Non-repairable Equipment Allowed (%)
Valves

0.5%

Pressure Relief Devices

1%

Pumps and Compressors

1%

 

 

Equipment Mass Emission Standard Total Number of Non-repairable Equipment Allowed (%)
Valves

0.1 lb/day

1.0%

Pressure Relief Devices

0.2 lb/day

5%

Pumps and Compressors

0.2 lb/day

5%

 

(Adopted March 4, 1992, Amended January 7, 1998)

8-18-307 Liquid Leak: A person shall not use any equipment that leaks liquid as defined in Section 8-18-211, unless the leak has been discovered by the operator, minimized within 24 hours and repaired within 7 days.

(Adopted March 4, 1992; Amended January 7, 1998)

8-18-308 Alternate Compliance: The requirements of Sections 8-18-301, 302, 303, 304, 305, 306 and 307 shall not apply to any facility which complies with an alternative emission reduction plan that satisfies all the requirements in Sections 8-18-405 and 406.

(Adopted January 7, 1998)

8-18-400 ADMINISTRATIVE REQUIREMENTS

8-18-401 Inspection: Any person subject to this Rule shall comply with the following inspection requirements:

(Amended 3/17/82; 9/3/86; 9/6/89; 3/4/92; 1/7/98)

8-18-402 Identification: Any person subject to this Rule shall comply with the following identification requirements:

(Amended March 4, 1992; January 7, 1998)

8-18-403 Visual Inspection Schedule: All pumps and compressors subject to this rule shall be visually inspected daily for leaks. If a leak is observed, the concentration of organic compounds shall be determined.

(Renumbered January 7, 1998)

8-18-404 Alternative Inspection Schedule: The inspection frequency for valves may change from quarterly to annually provided all of the conditions in Subsection 404.1 and 404.2 are satisfied.

(Adopted January 7, 1998)

8-18-405 Alternate Emission Reduction Plan: Any person may comply with Section 8-18-308 by developing and submitting an alternate emission reduction plan to the APCO that satisfies all of the following conditions:

(Adopted January 7, 1998)

8-18-406 Interim Compliance: A facility is subject to the limits contained in Section 8-18-301, 302, 303, 304, 305, 306 and 307 until receipt of the written APCO approval.

(Adopted January 7, 1998)

8-18-500 MONITORING AND RECORDS

8-18-501 Portable Hydrocarbon Detector: Any instrument used for the measurement of organic compounds shall be a combustible gas indicator that has been approved by the APCO and meets the specifications and performance criteria of and has been calibrated in accordance with EPA Reference Method 21 (40 CFR 60, Appendix A).

(Amended March 17, 1982; September 6, 1989; March 4, 1992)

8-18-502 Records: Any person subject to the requirements of this rule shall maintain record that provided the following information:

(Adopted March 4, 1992; Amended January 7, 1998)

8-18-600 MANUAL OF PROCEDURES

8-18-601 Analysis of Samples: Samples of organic compounds as defined in Section 8-18-113 shall be analyzed for Initial Boiling Point as prescribed in ASTM D-1078- 98 or ASTM D-86.

(Adopted March 17, 1982; Amended March 4, 1992; January 7, 1998)

8-18-602 Inspection Procedure: Inspections of equipment shall be conducted as prescribed by EPA Reference Method 21 (40 CFR 60, Appendix A).

(Adopted September 6, 1989; Amended March 4, 1992; January 7, 1998)

8-18-603 Determination of Control Efficiency: The control efficiency as specified by Section 8-18-110 shall be determined by any of the following methods: 1) BAAQMD Manual of Procedures, Volume IV, ST-7, 2) EPA Method 25 or 25A. A source shall be considered in violation if the VOC emissions measured by any of the referenced test methods exceed the standards of this rule.

(Renumbered and Amended January 7, 1998)

8-18-604 Determination of Mass Emissions: The mass emission determination as specified by Section 8-18-306 shall be determined using by any of the following methods: 1) EPA Protocol for Equipment Leak Emission Estimates, Chapter 4, Mass Emission Sampling, (EPA-453/R-95-017) November, 1995 or 2) a method determined to be equivalent by the EPA and approved by the APCO.

(Adopted January 7, 1998)