1173 - 1 (Adopted July 7, 1989)(Amended December 7, 1990)(Amended May 13, 1994) (Amended December 6, 2002)(Amended June 1, 2007) (Amended February 6, 2009)

PROPOSED AMENDED RULE 1173 CONTROL OF VOLATILE ORGANIC COMPOUND LEAKS AND RELEASES FROM COMPONENTS AT PETROLEUM FACILITIES AND CHEMICAL PLANTS

(a) Purpose
This rule is intended to control vol atile organic compound (VOC) leaks from components and releases from atmosphe ric process pressure relief devices (PRDs).

(b) Applicability This rule applies to components at refine ries, chemical plants, lubricating oil and grease re-refiners, marine terminals, oil and gas production fields, natural gas processing plants and pipeline transfer stations.

(c) Definitions: For the purpose of this rule the following definitions shall apply: (1) BACKGROUND is the ambient concen tration of total organic compounds (TOC) in the air at least one (1) me ter upwind of the component to be inspected, determined according to the test method in paragraph (j)(1). (2) CHEMICAL PLANT is any facility engaged in producing chemicals, and/or manufacturing products by chemi cal processes. Any facility or operation that has 282 as the first thr ee digits in its Standard Industrial
Classification Code as defined in th e Standard Industrial Classification
Manual is included in this definition. (3) COMMERCIAL NATURAL GAS is a mixture of hydrocarbons, with at least 80 percent methane by volume a nd less than 10 percent by weight VOC, determined according to test methods specified in paragraph (j)(2). (4) COMPONENT is any valve, fitting, pump, compressor, pressure relief device, diaphragm, hatch, sight-glass, and meter in VOC service. They
are further classified as: (A) MAJOR COMPONENT is any 4-inch or larger valve, any 5-hp or larger pump, any compressor, and any 4-inch or larger pressure
relief device.Rule 1173 (Cont.) (Amended February 6, 2009)

1173 - 2 (B) MINOR COMPONENT is any component which is not a major
component. (5) COMPRESSOR is a device used to compress gases and/or vapors by the addition of energy, and includes all associated components used for connecting and sealing purposes. (6) FACILITY is a refinery, chemical plant, lubricating oil and grease rerefiner, marine terminal, oil a nd gas production field, natural gas processing plant, or pipeline transfer station. (7) FIELD GAS means feed stock gas entering the natural gas processing plant. (8) FITTING is a device used to attach or connect pipes or piping details, including but not limited to flanges and threaded connections. (9) HATCH is any covered opening system that provides access to a tank,
container or vessel. (10) HEAVY LIQUID is any liquid with 10 percent or less VOC by volume evaporated at 150 o C (302 o F), determined according to test methods specified in paragraph (j)(2) or (j)(3). (11) INACCESSIBLE COMPONENT is any component located over five meters above ground when access is required from the ground; or any component located over two meters aw ay from a platform when access is required from the platform; or any component which would require the elevation of a monitoring personne l higher than two meters above permanent support surfaces. (12) INSPECTION is a survey of compone nts, using an appropriate analyzer, according to the test method in paragraph (j)(1), for the purpose of determining compliance with this rule, and may be either of the following: (A) OPERATOR INSPECTION is a survey of components by the operator or their contractor. (B) DISTRICT INSPECTION is a su rvey of components by District personnel or their representatives. (13) LEAK is the dripping of either heavy or light liquid; or the detection of a concentration of TOC above background, determined according to the test method in paragraph (j)(1). (14) LIGHT LIQUID is any liquid with mo re than 10 percent VOC by volume evaporated at 150 o C (302 o F), determined according to the test method specified in subparagraph (j)(2).Rule 1173 (Cont.) (Amended February 6, 2009)

1173 - 3 (15) LUBRICATING OIL AND GREASE RE-REFINER is a facility engaged in the blending, compounding, and re-refining of lubricating oils and greases from purchased mineral, animal, and vegetabl e materials, as defined in Standard
Industrial Classification Code 2992. Pe troleum refineries engaged in the production of lubricating oils and greases are classified in Standard Industrial
Classification Code 2911 and therefore are not included in this definition. (16) MARINE TERMINAL is a facility, equipm ent or structure constructed to handle the loading or unloading of organic liqui d into or out of marine tank vessels,
defined as in Standard Industrial Classification Codes 4226 and 5171. (17) NATURAL GAS PROCESSING PLANT is a facility engaged in the separation
of natural gas liquids from field gas and/or fractionation of the liquids into natural gas products, such as ethane, propane, but ane, and natural gasoline. Excluded from the definition are compressor stations, dehydration units, sweetening units, field treatment, underground storage facilities, liquefied natural gas units, and field gas gathering systems unless these facilities are located at a natural gas processing plant. (18) OIL AND GAS PRODUCTION FIELD is a facility on which crude petroleum and natural gas production and handling are conducted, as defined in the Standard
Industrial Classification Manual as Industry No. 1311, Crude Petroleum and
Natural Gas. (19) PIPELINE TRANSFER STATION is a f acility which handles the transfer and storage of petroleum products or crude petroleum in pipelines. (20) PLATFORM is any raised, permanent, horizontal surface for the purpose of gaining access to components. (21) PRESSURE RELIEF DEVICE (PRD) is a pressure relief valve or a rupture disc. (22) PRESSURE RELIEF VALVE (PRV) is a device which is automatically actuated by upstream static pressure to the atmos phere (atmospheric PRV) or to a control device, and used for safety or emergency purposes. (23) PROCESS PRD is a PRD located on pro cess equipment other than storage tanks or pipelines used to transport material. (24) PUMP is a device used to transport fluids by the addition of energy, and includes all associated components used for connecting or sealing purposes. (25) REFINERY is a facility that processes petroleum, as defined in the Standard
Industrial Classification Manual as Industry No. 2911, Petroleum Refining.Rule 1173 (Cont.) (Amended February 6, 2009)

1173 - 4 (26) RELEASE is any VOC emission to the atmosphere from an atmospheric PRD caused by an increase in upstream pressure. A leak caused by improper reseating of the PRD is not a release. (27) REPAIR is corrective action for the purpose of eliminating or reducing leaks that may involve the temporary re moval or taking out of service of a component or PRV. (28) RUPTURE DISC is a diaphragm he ld between flanges for the purpose of isolating VOC from the atmosphere orfrom a downstream pressure relief
valve. (29) TAMPER-PROOF means that all th e data collected shall be encrypted
such that it cannot be modified. (30) TELLTALE INDICATOR is a device installed in conjunction with a PRD, indicating whether a release has occurred. (31) TOTAL ORGANIC COMPOUNDS (TOC) is the concentration of gaseous organic compounds determined according to the test method in paragraph (j)(1). (32) TURNAROUND is a scheduled shutdown of a process unit for maintenance and repair work. (33) VALVE is a device that regulates or isolates the fluid flow in a pipe, tube, or conduit by means of an external actuator. (34) VOLATILE ORGANIC COMPOUND (VOC ) is as defined in Rule 102.

(d) Leak Standards (1) The operator of a facility subject to this rule shall be in violation of this rule if District inspection detects any: (A) Light liquid leak of more than three drops per minute; (B) Leak greater than 50,000 ppm from a component in light liquid/gas/vapor service; (C) Leak greater than 500 ppm from a component in heavy liquid service; or (D) Leak within any continuous 24-hour period and numbering in
excess of the Leak Thresholds fo r that component listed below in Table 1, if it is: (i) A leak from a component in light liquid /gas/vapor service, greater than 10,000 ppm; or (ii) A leak from an atmospheric PRD, greater than 200 ppm; orRule 1173 (Cont.) (Amended February 6, 2009)

1173 - 5 (iii) A leak from a pump in heavy liquid service, greater than 100 ppm.

TABLE 1. LEAK THRESHOLDS

Component Type Max. No. of Leaks for 200 or less components inspected Max No. of Leaks for > 200 components inspected Valves 1 0.5% of number inspected Pumps 2 1% of number inspected Compressors 1 1 Atmospheric PRDs 1 1 Threaded Pipe Connectors 1 0.5% of number inspected

Other Components 1 1

The maximum number of leaks in Table 1 shall be rounded upwards to the nearest integer, where required. (E) Open-ended lines and valves located at the end of lines that are not sealed with a blind flange, plug, ca p, or a second closed valve at all times, except during operations requiring process fluid flow through the open-ended line. (2) For the purpose of determining an oil and gas production facility’s compliance with the leak standards sp ecified in subparagraphs (d)(1)(B), (d)(1)(C), and (d)(1)(D), the operator of the facility may request a written approval from the Executive Officer to adjust a leak measurement to exclude methane and ethane, provided: (A) The operator submits a plan identifying the components to be included under paragraph (d)(2); (B) The operator demonstrates the methane and ethane content of the line product is 50 percent or more by volume, as determined by a District approved laboratory, acco rding to the test method in paragraph (j)(2); (C) The demonstration is based on a sampling and analysis of a representative sample obtained on a semiannual basis in accordance with the schedule and sample size approved by the Executive Officer; andRule 1173 (Cont.) (Amended February 6, 2009)

1173 - 6 (D) A copy of the analysis results w ith laboratory analysis is provided upon request by the Executive Officer. (E) The operator of a Title V facility shall submit an application for permit modification to incorporate the approval under paragraph (d)(2) in the Title V permit.

(e) Identification Requirements The operator shall: (1) Physically identify clearly and vi sibly all major components in light liquid/gas/vapor service and pumps in heavy liquid service for inspection, repair, replacement, and recordkeeping purposes. (2) Clearly identify all major component s in heavy liquid service other than pumps subject to paragraph (e)(1), and minor components, in Piping and Instrumentation (P&I) flow diagra ms, and/or group them together functionally for inspection, repair, replacement, and recordkeeping

purposes. (3) Submit the information required to identify components in heavy liquid service, as required by paragraphs (e)(1) and (e)(2), for approval by the Executive Officer on or before September 1, 2003. (4) Any change(s) in major component identification shall require prior written approval from the Executive Officer.

(f) Operator Inspection Requirements (1) The operator shall: (A) Audio-visually inspect all accessible pumps, compressors, and atmospheric PRDs once during ev ery eight-hour operating period, except for unmanned oil and gas production fields and unmanned pipeline transfer stations. (B) Inspect all accessible components in light liquid/gas/vapor service and pumps in heavy liquid service quarterly, with pumps in heavy liquid service beginning July 1, 2003. (C) Inspect all inaccessible components in light liquid/gas/vapor service annually.Rule 1173 (Cont.) (Amended February 6, 2009)

1173 - 7 (D) At any refinery with more than 25,000 components: (i) At the time of operator insp ection, simultaneously record in an electronic format all component inspections beginning January 1, 2004, and (ii) Operate and maintain the electronic recording instrument according to manufacturer’s specifications. (E) Inspect an atmospheric PRD with in one calendar day and reinspect it within 14 calendar days after every release. (F) Inspect all repaired or replacedcomponents within 30 days of the repair or replacement. (2) The operator may apply for written a pproval from the Executive Officer to change the inspection frequency fo r each type of accessible component other than PRD in light liquid/gas/va por service at a facility, except pumps and compressors, as required in subparagraph (f)(1)(B) from quarterly to annually, provided that all component s at that facility have been successfully operated and maintained for five consecutive quarters with no liquid leaks of more than three drops per minute, and with leaks greater than 10,000 ppm not exceeding the Leak Thresholds, by component type,
listed in Table 1. (3) The operator may apply for written approval from the Executive Officer to change the inspection frequency for all accessible atmospheric PRDs in light liquid/gas/vapor at a facility, as required in subparagraph (f)(1)(B), from quarterly to annually, provided that all atmospheric PRDs at that facility have been successfully ope rated and maintained for five consecutive quarters with no liquid leak s of more than three drops per minute and with leaks greater th an 200 ppm not exceeding the Leak
Thresholds listed in Table 1. (4) The operator may apply for written approval from the Executive Officer to change the inspection frequency for pumps in heavy liquid service at a facility, as required in subparagraph (f )(1)(B), from quarterly to annually, provided that all pumps in heavy liquid service at that facility have been successfully operated and maintained for five consecutive quarters, with leaks greater than 100 ppm not exceeding the Leak Thresholds listed in Table 1 for pumps.Rule 1173 (Cont.) (Amended February 6, 2009)

1173 - 8 (5) The operator shall submit documentation prior to the change in inspection frequency, as per paragraphs (f)(2), (f)(3) and (f)(4), for written approval
from the Executive Officer. (6) The operator shall revert to a quarterly inspection frequency for a component type, should the annual operator inspection or District inspection show any leaks in excess of the thresholds applicable to the component type listed below: (A) Light liquid leak of more than three drops per minute, or (B) Leaks exceeding the maximum number of leaks, by component type, listed in Table 1 for: (i) Components in light liquid/ga s/vapor service, greater than 10,000 ppm, (ii) Pumps in heavy liquid service, greater than 100 ppm, (iii) Atmospheric PRDs, greater than 200 ppm.

(g) Maintenance Requirements The operator shall: (1) Repair, replace or remove a leaking component as soon as practicable but no later than the time period specified in Table 2, Repair Periods. For each calendar quarter, the operator may extend the repair period, as specified in Table 2, for a total num ber of leaking components, not to exceed 0.05 percent of the number of components inspected during the previous quarter, by type, rounded upw ard to the nearest integer where required.
TABLE 2. REPAIR PERIODS

Type of Leak Time Period Extended Repair Period Light liquid/gas/vapor component leaks greater than 500 ppm but no more than 10,000 ppm 7 Calendar Days 7 Calendar Days

Heavy liquid component leaks greater than 100 ppm but no more than 500 ppm 7 Calendar Days 7 Calendar Days

Heavy liquid leak greater than 3 drops per minute and greater than 100 ppm but no more than 500 ppm 7 Calendar Days

Any leak greater than 10,000 ppm but no more than 25,000 ppm 2 Calendar Days 3 Calendar DaysRule 1173 (Cont.) (Amended February 6, 2009)

1173 - 9 Type of Leak Time Period Extended Repair Period Atmospheric PRD leaks greater than 200 ppm but no more than 25,000 ppm 2 Calendar Days 3 Calendar Days

Any leak greater than 25,000 ppm 1 Calendar Day Heavy liquid component leaks greater than 500
ppm 1 Calendar Day

Light liquid leaks greater than 3 drops per minute 1 Calendar Day

(2) Replace a component or parts thereo f with Best Available Control or Retrofit Technology (BACT or BARCT), or vent it to an air pollution control device approved by the Execu tive Officer, after it has been subjected to five repair actions w ithin a continuous twelve month period
for: (A) A light liquid leak of greater than three drops per minute, (B) A leak greater than 10,000 ppm or (C) A leak greater than 200 ppm for an atmospheric PRD. (3) The reporting provisions of Rule 430 shall not be applicable to components being repaired or replaced under the provisions of this rule,
except compressors.

(h) Atmospheric Process PRD Requirements (1) The operator of a refinery shall continuously monitor atmospheric PRDs located on process equipment by insta lling tamper-proof electronic valve monitoring devices capable of recordi ng the duration of each release and quantifying the amount of the compounds released according to the following schedule: (A) For a refinery with less than 50 atmospheric process PRDs: (i) Install monitoring devices on 50 percent of all atmospheric process PRDs by January 1, 2009; and (ii) Install monitoring devices on the remaining atmospheric process PRDs by July 1, 2009. (B) For a refinery with more than 50 atmospheric process PRDs: (i) Install monitoring devices on 20 percent of all atmospheric process PRDs by January 1, 2009,Rule 1173 (Cont.) (Amended February 6, 2009)

1173 - 10 (ii) Install monitoring devices on 40 percent of all atmospheric process PRDs by July 1, 2009; and (iii) Install monitoring devices on the remaining atmospheric process PRDs by July 1, 2010. (C) In conjunction with the requireme nts of subparagraphs (h)(1)(A) and (h)(1)(B), the operator of a refi nery shall continue to monitor all atmospheric process PRDs by us e of electronic process control instrumentation that allows for real time continuous parameter monitoring or telltale indicators un til such time that the operator of a refinery has demonstrated compliance with subparagraphs (h)(1)(A) and (h)(1)(B). (D) Notwithstanding the requirements of subparagraphs (h)(1)(A) and (h)(1)(B), the operator of a refine ry may delay the installation of the tamper-proof electronic valve monitoring devices to no later
than the next scheduled turnar ound following June 1, 2007 for that process unit PRD(s), provided that the operator demonstrates to the
satisfaction of the Executive Officer that the installation at an earlier date is not feasible or constitutes a safety hazard. (E) Notwithstanding the requirements of subparagraphs (h)(1)(A) and (h)(1)(B), for any atmospheric process PRD, the operator of a refinery may use tamper-proof electronic valve monitoring devicesin combination with continuous parameter monitoring or tamperproof electronic valve monitoring devices and telltale indicators
that in combination can record the duration of each release and quantify the amount of the compounds released, provided that the operator demonstrates on or before the compliance dates in subparagraphs (h)(1)(A) and (h)(1)(B ) to the satisfaction of the
Executive Officer that the combina tion of tamper-proof electronic valve monitoring devices, continuous parameter monitoring or telltale indicators represents the actual process conditions at the location of the process PRD release to the atmosphere. (F) The requirements of subparagraphs (h)(1)(A) and (h)(1)(B) do not apply to atmospheric process PRDs that will be connected in such a manner as to direct all gases a nd vapors that can be released by an atmospheric process PRD to a VOC vapor recovery or control system no later than the next scheduled turnaround afterRule 1173 (Cont.) (Amended February 6, 2009)

1173 - 11 December 31, 2008, for that process equipment or unit associated with those atmospheric process PRD( s). The operator of a refinery must submit a revised compliance plan no later than December 31, 2008, that identifies the applicable atmospheric process PRD(s) and the schedule for connecting the atmospheric process PRD(s) to a VOC recovery or control syst em. Until such time that the atmospheric process PRD(s) ar e connected to a VOC vapor recovery or control system, the operator shall monitor all atmospheric process PRDs by use of electronic process control instrumentation that allows for real time continuous parameter monitoring or telltale indicators. (G) The requirements of subparagraphs (h)(1)(A) through (h)(1)(F) do not apply to atmospheric proce ss PRDs in liquid service that release to drains and are regulated under Rule 1176, provided that the operator demonstrates to the satisfaction of the Executive Officer that all released material meets the definition of heavy liquid. (2) The operator of a chemical plant sh all monitor atmospheric process PRDs located on process equipment by one of the following options: (A) Install tamper-proof electronic valve monitoring devices capable of recording the duration of each re lease and quantifying the amount of compounds released on twenty percent of the atmospheric process PRD inventory. The opera tor shall install the electronic valve monitoring devices during the first turnaround after December 31, 2003; or (B) Use of electronic process control instrumentation that allows for real time continuous parameter monitoring, starting July 1, 2004, and telltale indicators for the atmospheric process PRDs where parameter monitoring is not feasible. The telltale indicators shall be installed no later than December 31, 2004. (3) The operator of a lubricating oil and grease re-refiner or a marine terminal shall monitor atmospheric process PRDs by use of electronic process control instrumentation that allows for real time continuous parameter monitoring, starting January 1, 2009, and telltale indicators for the atmospheric process PRDs where parameter monitoring is not feasible. The telltale indicators shall be installed no later than December 31, 2007.Rule 1173 (Cont.) (Amended February 6, 2009)

1173 - 12 (4) By December 31, 2007, the operator shall submit to the District a compliance plan or a revised complian ce plan, containing the inventory of atmospheric process PRDs by size, se t pressure and location, and indicate the option(s) chosen to comply with paragraphs (h)(1), (h)(2) and (h)(3). If applicable, the operator shall indicate the process parameter selected for continuous monitoring and the justification for such selection. (5) Following any release from an atmo spheric process PRD in excess of 500 pounds of VOC in a continuous 24-hourperiod, the operator shall conduct a failure analysis and implement co rrective actions within 30 days to prevent the reoccurrence of similar releases. (6) At a refinery with a crude oil throughput greater than 20,000 barrels per day, the operator shall, as practicable but no later than the first turnaround following the requirement to connect becomes effective, connect all atmospheric process PRDs serving that equipment to a vapor recovery or control system following: (A) a second release in excess of 500 pounds of VOC in a continuous 24-hour period, within any five y ear period from any atmospheric process PRD serving the same piece or pieces of equipment or (B) any release in excess of 2,000 pounds of VOC in a continuous 24- hour period, from any atmospheric process PRD serving the same piece or pieces of equipment. (7) In lieu of complying with paragraph (h)(6), an operator may elect to pay a mitigation fee of $350,000 to the Distri ct for any release exceeding the thresholds in paragraph (h)(6) and any subsequent release. Within 90 days of the release, the operator shall notify the Executive Officer, in writing, of the election to pay a mitigation f ee and submit payment as requested by
the Executive Officer.

(i) Recordkeeping and Reporting Requirements (1) The operator shall record all leaks, repairs and reinspections, as required
in subdivision (f), and submit those records as quarterly or annual inspection reports to the Executive Offi cer no later than 30 days after the end of each calendar quarter or no late r than 60 days after the end of the calendar year, respectively. Upon re quest by the Executive Officer, the operator shall include in the report the reason for extending the repair period for any component, as allowed in paragraph (g)(1). The operatorRule 1173 (Cont.) (Amended February 6, 2009)

1173 - 13 shall submit the records in an electronic format approved by the Executive Officer and they shall be certified in writing by the facility official responsible for the inspection and repair program. (2) The operator shall include in all r ecords of operator inspection and repair, at a minimum, the component identif ication and type, service, location, leak rate and date and time of insp ection. The operator shall maintain these records at the facility for a period of at least two (2) years or five (5) years for a Title V facility and made available to the Executive Officer on
request.(3) The operator of a refinery, chemical plant, lubricating oil and grease rerefiner, or marine terminal shall: (A) Notify the Executive Officer, by telephone or any other District approved method, of any atmospheric process PRD release in excess of the reportable quantity limits as stipulated in 40 CFR, Part 117, Part 302 and Part 355, incl uding any release in excess of 100 pounds of VOC, within one hour of such occurrence or within one hour of the time said person knew or reasonably should have known of its occurrence; (B) Submit a written report to the Ex ecutive Officer within 30 days following notification of an atmo spheric process PRD release, providing the following information: (i) PRD type, size and location. (ii) Date, time and duration of the PRD release event. (iii) Types of VOC released and individual amounts, in pounds, including supporting calculations. (iv) Cause of the atmospheric process PRD release event. (v) Corrective actions taken to prevent a subsequent PRD
release. (C) Submit quarterly reports for all monitored atmospheric process PRDs to comply with paragraphs (h)(1), (h)(2) and (h)(3) in an electronic format approved by the Executive Officer, indicating the parameter(s) monitored as a functi on of time, no later than 30 days after the end of each calendar quarter

. (D) Keep records of the process pa rameter(s) monitored for a period of five years, where elected to comp ly with paragraphs (h)(1), (h)(2)Rule 1173 (Cont.) (Amended February 6, 2009)

1173 - 14 and (h)(3) and make them available to the Executive Officer upon
request.

(j) Test Methods (1) Measurements of leak concentrati ons shall be conducted according to the
United States Environmental Protec tion Agency (U.S. EPA) Reference Method 21 using an appropriate analy zer calibrated with methane. The analyzer shall be calibrated before inspection each day. (2) The VOC content shall be determined according to ASTM Method D 1945 for gases, SCAQMD Method 304-91 for liquids. The percent VOC of a liquid evaporated at 150 o C (302 o F) shall be determined according to
ASTM Method D 86

. (3) The flash point of heavy liquids sh all be determined according to ASTM
Method D 93. (4) Equivalent Test Methods A person may use other method to dete rmine compliance with this rule provided it is demonstrated to be equivalent and approved in writing by the Executive Officers of the District, the California Air Resources Board (CARB), and the Regional Administrator of the U.S. EPA, Region IX, or their designees.

(k) Other Rules and Regulation Applicability In case of conflict between the provisions of this rule and any other rule, the provisions of the rule which more specifically applies to the subject shall prevail.

(l) Exemptions (1) The provisions of this rule shall not apply to the following cases, where the person seeking the exemption shall supply the proof of the applicable
criteria to the satisfaction of the Executive Officer: (A) Components which present a safety hazard for inspection as documented and established in a safety manual or policy, previously, or with the prior written approval of the Executive Officer except that the operator sh all monitor these components for
leaks when it is safe to do so. Upon detection of a leak, the operator shall repair or replace the component(s) as soon as the repairs or replacement can be carried out safely.Rule 1173 (Cont.) (Amended February 6, 2009)

1173 - 15 (B) Components being repaired or re placed within the specified repair or replacement period, as given in Table 2. (C) Components exclusively handling commercial natural gas. (D) Components exclusively handling fl uids with a VOC content of ten percent by weight or less, determined according to test methods specified in paragraph (j)(2). (E) Components incorporated in lines, while operating under negative

pressures. (F) Components totally contained or enclosed such that there are no VOC emissions into the atmosphere. (G) Components buried below ground. (H) Pressure vacuum valves on storage tanks. (I) Storage tank hatches subject to Rule 1178. (2) The provisions of subdivision (h) and paragraphs (i)(2) and (i)(3) shall not apply to PRVs installed for protecti on from overpressure due to variation in ambient temperature provided that they are vented to drains or back into the pipeline. A person seeking an exemption under this paragraph shall supply proof of the applicable criteri a to the satisfaction, upon request, of
the Executive Officer. (3) The provisions of Rules 466, 466.1, a nd 467 shall not apply to facilities subject to this rule. (4) The provisions of paragraph (e)(1) and subdivision (f) shall not apply to components handling liquids with a flash point greater than 121 o C (250 o F), as determined according to the test method specified in paragraph (j)(3). (5) Atmospheric PRD releases demonstrated to the satisfaction of the
Executive Officer that result from na tural disasters, acts of war or terrorism, or external power curtailment beyond the refinery’s control, excluding power curtailment due to an interruptible service agreement, shall not be subject to the provisions of paragraphs (h) (4) (6) and (h) (5) (7)

. (6) Except for the requirements of subdi vision (e), the requirements of this rule shall not become effective as to lubricating oil and grease re-refiners
and to marine terminals until D ecember 31, 2007. Lubricating oil and grease re-refiners and marine te rminals shall comply with the requirements of subdivision (e) no later than September 30, 2007.