SACRAMENTO METROPOLITAN AQMD RULES AND REGULATIONS

June 1, 1995 412-1 RULE 412 STATIONARY INTERNAL COMBUSTION ENGINES LOCATED AT MAJOR STATIONARY SOURCES OF NO X Adopted 06-01-95

INDEX

100 GENERAL 101 PURPOSE 102 APPLICABILITY 110 EXEMPTION, EMERGENCY STANDBY 111 EXEMPTION, AGRICULTURAL OPERATIONS 112 EXEMPTION, TEST STANDS 113 EXEMPTION, EMISSION CONTROL EVALUATION 114 EXEMPTION, NONROAD INTERNAL COMBUSTION ENGINE 115 EXEMPTION, MOTOR VEHICLE ENGINES 116 EXEMPTION, FLIGHT LINE INTERNAL COMBUSTION ENGINE

200 DEFINITIONS 201 ACTUAL INTERRUPTIONS OF POWER 202 ANNUAL HOURS OF OPERATION 203 BEST AVAILABLE RETROFIT CONTROL TECHNOLOGY (BARCT) 204 EMERGENCY STANDBY ENGINE 205 ENGINE RATING 206 INTERNAL COMBUSTION ENGINE 207 LEAN-BURN ENGINE 208 LOCATION 209 MAJOR STATIONARY SOURCE OF NITROGEN OXIDES 210 MOTOR VEHICLE ENGINE 211 MOTOR VEHICLE 212 NONROAD INTERNAL COMBUSTION ENGINE 213 POTENTIAL TO EMIT 214 REASONABLY AVAILABLE CONTROL TECHNOLOGY (RACT) 215 RETROFITTING 216 RICH-BURN ENGINE 217 STATIONARY INTERNAL COMBUSTION ENGINE 218 STATIONARY SOURCE

300 STANDARDS 301 RACT EMISSION LIMITS 302 BARCT EMISSION LIMITS 303 ALTERNATIVE CONTROL REQUIREMENT 304 EQUIPMENT REQUIREMENT - HOUR METER

400 ADMINISTRATIVE REQUIREMENTS 401 COMPLIANCE SCHEDULE 402 SOURCE TESTING FREQUENCY

500 MONITORING AND RECORDS 501 RECORDKEEPING REQUIREMENTS 502 TESTING PROCEDURESSACRAMENTO METROPOLITAN AQMD RULES AND REGULATIONS

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June 1, 1995 412-3 100 GENERAL

101 PURPOSE: To limit emissions of nitrogen oxides, carbon monoxide, and non-methane hydrocarbons from the operation of stationary internal combustion engines located at a major stationary source of nitrogen oxides.

102 APPLICABILITY: This rule applies to any stationary internal combustion engine in the District rated at more than 50 brake horsepower located at a major stationary source of nitrogen oxides.

110 EXEMPTION, EMERGENCY STANDBY: The provisions of Section 301, Section 302, Section 303 and Section 400 shall not apply to the operation of stationary internal combustion engines used for emergency standby.

111 EXEMPTION, AGRICULTURAL OPERATIONS: The provisions of this rule shall not apply to the operation of stationary inte rnal combustion engines used directly and exclusively for agricultural operations necessaryfor the growing of crops or the raising of fowl or animals.

112 EXEMPTION, TEST STANDS: The provisions of this rule shall not apply to the operation of stationary internal combustion engines mounted on test stands used for evaluating engine performance.

113 EXEMPTION, EMISSION CONTROL EVALUATION: The provisions of Section 301, Section 302, Section 303, and Section 400 shall not apply to the operation of stationary internal combustion engines used exclusively for research, design and evaluation of emission control devices.

114 EXEMPTION, NONROAD INTERNAL COMBUSTION ENGINE: The provisions of this rule shall not apply to nonroad internal combustion engines.

115 EXEMPTION, MOTOR VEHICLE ENGINES: The provisions of this rule shall not apply to motor vehicle engines.

116 EXEMPTION, FLIGHT LINE INTERNAL COMBUSTION ENGINE: The provisions of this rule shall not apply to internal combustion engines used as support for flight line operations.

200 DEFINITIONS

201 ACTUAL INTERRUPTIONS OF POWER: When electrical service is interrupted by an unforeseeable event.

202 ANNUAL HOURS OF OPERATION: The hours a stationary internal combustion engine operates in a calendar year.

203 BEST AVAILABLE RETROFIT CONTROL TECHNOLOGY (BARCT): Best available retrofit control technology as defined in Section 40406 of the California Health and Safety Code is "an emission limitation that isbased on the maximum degree of reduction achievable, taking into account environmental, energy, and economic impacts by each class or category of sources."

204 EMERGENCY STANDBY ENGINE: Any stationary internal combustion engine which does not exceed one hundred (100) hours per year of operation for maintenance purposes and operates under one or more of the following conditions: 204.1 The provision of emergency electrical power during actual interruptions of electrical power, or; 204.2 The provision of emergency water pumping for flood control, or; 204.3 The provision of emergency water pumping for fire control, or;SACRAMENTO METROPOLITAN AQMD RULES AND REGULATIONS

412-4 June 1, 1995 204.4 The provision of emergency electrical power for emergency incident response by specially trained personnel in law enforcement, medicine or hazardous material incident response.

205 ENGINE RATING: The output of a stationary internal combustion engine as determined by the engine manufacturer and listed on the nameplate of the unit.

206 INTERNAL COMBUSTION ENGINE: A heat engine in which the combustion that generates the heat takes place inside the engine proper instead of in a furnace.

207 LEAN-BURN ENGINE: Any internal combustion engine that is not a rich-burn engine.

208 LOCATION: Any single site at a building, structure, facility, or installation.

209 MAJOR STATIONARY SOURCE OF NITROGEN OXIDES: A stationary source whose potential to emit exceeds 25 tons per year of nitrogen oxides.

210 MOTOR VEHICLE ENGINE: Any internal combustion engine used to propel a motor vehicle.

211 MOTOR VEHICLE: Any device, self propelled by an internal combustion engine.

212 NONROAD INTERNAL COMBUSTION ENGINE: Any internal combustion engine that: 212.1 is not a motor vehicle engine; and 212.2 is not regulated by a federal New Source Performance Standard promulgated under section 111 of the Federal Clean Air Act; and 212.3 by itself or in or on a piece of equipment, is portable or transportable, meaning designed to be and capable of being carried or moved from one location to another. Indicia of transportability include, but are not limited to, wheels, skids, carrying handles, dolly, trailer, or platform; and 212.4 does not remain at a location for more than 12 consecutive months. Any engine, such as a back-up or stand-by engine, that replaces an engine at a location and is intended to perform the same function as the engine being replaced will be included in calculating the consecutive time period. In that case, the cumulative time of both engines, including the time between the removal of the original engine and installation of the replacement engine, would be counted toward the consecutive residence time period. In addition, an engine that is moved from its location but does not need to be moved from its location to perform its function shall be deemed to have remained at a single location. or 212.5 remains at a location less than 12 consecutive months where such a period represents the full length of normal annual source operations, such as a seasonal

source.

213 POTENTIAL TO EMIT: The maximum physical and operational design capacity to emit a pollutant. Limitations on the physical or operational design capacity, including emissions control devices and limitations on hours of operation, may be considered only if such limitations are incorporated into the applicable authority to construct and permit to operate. Fugitive emissions associated with t he emissions unit or stationary source shall not be included in the potential to emit of the emissions unit or stationary source unless the source belongs to one of the following categories of stationary sources: 213.1 Coal cleaning plants (with thermal dryers); 213.2 Kraft pulp mills; 213.3 Portland cement plants; 213.4 Primary zinc smelters; 213.5 Iron and steel mills; 213.6 Primary aluminum ore reduction plants; 213.7 Primary copper smelters; 213.8 Municipal incinerators capable of charging more than 250 tons of refuse per daySACRAMENTO METROPOLITAN AQMD RULES AND REGULATIONS

June 1, 1995 412-5 213.9 Hydrofluoric, sulfuric, or nitric acid plant; 213.10 Petroleum refineries; 213.11 Lime plants; 213.12 Phosphate rock processing plants; 213.13 Coke oven batteries; 213.14 Sulfur recovery plants; 213.15 Carbon black plants (furnace process); 213.16 Primary lead smelters; 213.17 Fuel conversion plants; 213.18 Sintering plants; 213.19 Secondary metal production plants; 213.20 Chemical process plants; 213.21 Fossil-fuel boilers (or combination thereof) totaling more than 250 million British thermal units per hour heat input; 213.22 Petroleum storage and transfer units with a total storage capacity exceeding 300,000 barrels; 213.23 Taconite ore processing plants; 213.24 Glass fiber processing plants; 213.25 Charcoal production plants; 213.26 Fossil-fuel-fired steam electric plants of more than 250 million British thermal units per hour heat input; or 213.27 All other stationary source categories regulated by a standard promulgated under Section 111 or 112 (42 U.S.C. Section 7411 or 7412) of the Federal Clean Air Act, but only with respect to those air pollutants that have been regulated for that category.

214 REASONABLY AVAILABLE CONTROL TECHNOLOGY (RACT): The lowest emission limitation that a particular unit is capable of meeting by using measures that are reasonably available in terms of technological and economic feasibility.

215 RETROFITTING: Retrofitting is the addition of air pollution control equipment to the exhaust stream or physical modification to t he combustion system excluding adjustment of an stationary internal combustion engine in order to meet the RACT standards contained in Section 301. Changes in the method of operation shall not be considered as retrofit.

216 RICH-BURN ENGINE: A two or four stroke spark-ignited internal combustion engine where the manufacturer's original recomm ended operating air/fuel ratio divided by the stoichiometric air/fuel ratio is less than or equal to 1.1.

217 STATIONARY INTERNAL COMBUSTION ENGINE: Any internal combustion engine that: 217.1 is not a motor vehicle engine; and 217.2 is not a nonroad engine.

218 STATIONARY SOURCE: Any building, structure, facility, or emissions unit which emits or may emit any affected pollutant directly or as a fugitive emission. 218.1 Building, structure, facility, or emissions unit includes all pollutant emitting activities which: a. belong to the same industrial grouping, and b. are located on one property or on two or more contiguous properties, and c. are under the same or common ownership, operation, or control or which are owned or operated by entities which are under common control. 218.2 Pollutant emitting activities shall be considered as part of the same industrial grouping if: a. they belong to the same two-digit standard industrial classification code,

or b. they are part of a common production process. (Common production process includes industrial processes, manufacturing processes and any connected processes involving a common material.)SACRAMENTO METROPOLITAN AQMD RULES AND REGULATIONS

412-6 June 1, 1995 STANDARDS

301 RACT EMISSION LIMITS: After July 1, 1995, an owner or operator of any engine subject to this rule shall not operate the engine unless the engine meets the following emission limits. If retrofitting is required, the engine is exempt from the limits of this Section provided the owner or operator complies with Sections 302 and 401.3

ENGINE OPERATING CONDITIONS EMISSIONS LIMIT (ppmv @ 15% O 2 )

NO x CO NMHC

Spark Ignited Rich Burn 50 4000 250

Spark Ignited Lean Burn 125 4000 750

Compression Ignited 700 4000 750

302 BARCT EMISSION LIMITS: 302.1 Spark Ignited Rich Burn: a. Except as provided in Table 2 of Section 302.1.b or Section 303 an owner or operator of any spark-ignited rich burn stationary internal combustion engine subject to Section 300 shall not operate the engine unless the engine meets the emission limits in Table 1:

TABLE 1: SPARK IGNITED RICH BURN EMISSION LIMITS EXPRESSED AS PPMV @ 15% O 2

NO X CO NMHC

25 4,000 250

b. If a spark-ignited rich burn stationary internal combustion engine with an engine rating less than or equal to 525 horsepower is operated less than the hours listed in Table 2, the engine shall be exempt from the requirements of Section 302.1.a. If the hours of operation exceed the hours listed for any unit for any calendar year, then the unit must be operated in compliance with the applicable emissions limits in Section 302.1.a.

TABLE 2: SPARK IGNITED RICH BURN EXEMPTION FROM TABLE 1 EMISSION LIMITS

If engine rating is greater than... ...but less than or equal to.. and the actual annual hours of operation are less than or equal to...

50 hp 75 hp 200 hours

75 hp 125 hp 120 hours

125 hp 155 hp 100 hours

155 hp 200 hp 80 hours

200 hp 300 hp 60 hours

300 hp 400 hp 45 hours

400 hp 525 hp 40 hoursSACRAMENTO METROPOLITAN AQMD RULES AND REGULATIONS

June 1, 1995 412-7 302.2 Spark Ignited Lean Burn: Except as provided in Section 303 an owner or operator of any spark-ignited lean burn stati onary internal combustion engine shall not operate the engine unless the engine meets the emission limits in Table 3:

TABLE 3: SPARK IGNITED LEAN BURN EMISSION LIMITS EXPRESSED AS PPMV @ 15% O 2

NO X CO NMHC

65 4,000 750

302.3 Compression Ignited Engine: a. Except as provided in Table 5 of Section 302.3.b or Section 303 an owner or operator of any compression ignited stationary internal combustion engine shall not operate the engine unless the engine meets the emission limits in Table 4:

TABLE 4: COMPRESSION IGNITED EMISSION LIMITS EXPRESSED AS PPMV @ 15% O 2

NO X CO NMHC

80 4,000 750

b. If a compression ignited stationary internal combustion engine with an engine rating less than or equal to 525 horsepower is operated less than the hours listed in Table 5, the engine shall be exempt from the requirements of Section 302.3.a. If the hours of operation exceed the hours listed for any unit for any calendar year, then the unit must be operated in compliance with the applicable emissions limits in Section 302.3.a.

TABLE 5: COMPRESSION IGNITED EXEMPTION FROM TABLE 4 EMISSION LIMITS

If engine rating is greater than... ...but less than or equal to... and the actual annual hours of operation are less than or equal to...

50 hp 75 hp 1,435 hours

75 hp 125 hp 830 hours

125 hp 155 hp 565 hours

155 hp 200 hp 460 hours

200 hp 300 hp 365 hours

300 hp 400 hp 250 hours

400 hp 525 hp 200 hoursSACRAMENTO METROPOLITAN AQMD RULES AND REGULATIONS

412-8 June 1, 1995 303 ALTERNATIVE CONTROL REQUIREMENT: As an alternative to the NO Xemission limit specified in Section 302 a stationary in ternal combustion engine shall achieve and maintain a percent NO Xreduction by volume limit specified below as measured concurrently across an emission control device. If internal modifications are made to an engine the percent reduction shall be calculated from source test data before and after internal modification. 303.1 Spark ignited rich burn 90 percent 303.2 Spark ignited lean burn 90 percent 303.3 Compression ignited 90 percent

304 EQUIPMENT REQUIREMENT: The owner or operator of any stationary internal combustion engine, except for those engines being removed from service under Section 401.5, subject to any provision of this rule shall install one of the following: 304.1 HOUR METER: A non-resetting totalizing hour meter on each engine by (12 months after date of adoption). 304.2 COMPUTERIZED TRACKING: A computerized tracking system that maintains a continuous daily record of hours of operation.

400 ADMINISTRATIVE REQUIREMENTS 401 COMPLIANCE SCHEDULE: 401.1 RACT EMISSION LIMITS: Any non-exemptstationary internal combustion engine that is subject to the rule and has operated in the District prior to (date of adoption) shall comply with the applicable lim its by July 1, 1995 unless retrofitting is required. If retrofitting is required the engine shall comply with Section 401.3 and either Section 401.4 or Section 401.5. 401.2 BARCT EMISSION LIMITS: Any non-exempt stationary internal combustion engine that is subject to the emission limits of Section 302 shall comply with the applicable limits by May 31, 1997 in accordance with Section 401.3 and either Section 401.4 or Section 401.5 401.3 CURRENT EMISSION LEVEL: The owner or operator of any non-exempt stationary internal combustion engine subj ect to Section 401.1 or Section 401.2 must comply with the following requirements by July 1, 1995: a. Submit a current emission level for each engine to the Air Pollution Control Officer. b. A description of the method used to determine the current emission level. 401.4 INCREMENTS OF PROGRESS: The owner or operator of any stationary internal combustion engine subject to Section 302 must comply with the following requirements: a. By July 1, 1995 submit a compliance plan to the Air Pollution Control Officer for each unit which includes the following information: 1. The retrofitting required to meet the limits of Section 302 or Section 303. 2. A schedule demonstrating compliance with the emission limits of Section 302 or Section 303 and the remaining increments of this Section b. By January 31, 1996 submit a complete application for an Authority to Construct for the modifications or equipment necessary to meet the applicable emission limits contained in Section 302 or Section 303 to the Air Pollution Control Officer. c. By November 30, 1996 begin construction. d. By March 31, 1997 complete construction. e. By May 31, 1997 comply with the emission limits of Section 302 or Section 303. This shall include the submittal of a complete source test report indicating compliance. 401.5 REMOVAL FROM SERVICE: The owner or operator of any stationary internal combustion engine operated in the District prior to (date of adoption) that is expected to be removed from service by May 31, 1999 shall comply with the following:SACRAMENTO METROPOLITAN AQMD RULES AND REGULATIONS

June 1, 1995 412-9 a. By July 1, 1995, submit to the Air Pollution Control Officer a petition (a petition form can be obtained from the District) requesting an exemption from the requirements of Section 301 through 303. b. By January 31, 1996, submit to the Air Pollution Control Officer a compliance plan containing the following information: 1. A complete application for an Authority to Construct for modification of the Permit to Operate. c. By May 31, 1999, discontinue operation of the stationary internal combustion engine unit, disconnect fuel supply line(s), and notify the Air Pollution Control Officer, in writing, of the removal from service.

402 SOURCE TESTING FREQUENCY: The owner or operator of any stationary internal combustion engine subject to the requirements of Sections 301 through 303 shall conduct source testing every eight thousand seven hundred sixty (8,760) hours of operation or five (5) years which ever is the shorter time period.

500 MONITORING AND RECORDS

501 RECORDKEEPING REQUIREMENTS: 501.1 The owner or operator of any stationar y internal combustion engine subject to any provision of this rule shall maintain an operation record containing, at a minimum, the following data: a. Permit number of each stationary internal combustion engine. b. Manufacturer, model number and rating in horsepower of each stationary internal combustion engine. c. Actual quarterly hours of operation of each stationary internal combustion engine. d. Maintain copies of most recent emission tests including date and results reported as ppmv @ 15% O 2of NO X and pounds per unit time of NO X
. 501.2 The owner or operator of any stationar y internal combustion engine subject to any provision of this rule shall maintain the operation record for a period of five (5) years. The records shall be available for inspection by the Air Pollution Control Officer upon request.

502 TESTING PROCEDURES: Demonstration of compliance with the emission limits specified in Sections 301 through 303 shall be determined using the test methods specified below averaged over three consecutive test runs. 502.1 OXIDES OF NITROGEN: a. Emissions of oxides of nitrogen from spark ignited engines shall be determined using ARB Test Method 100. b. Emissions of oxides of nitrogen from compression ignited engines shall be determined using EPA Test Method 7E. 502.2 CARBON MONOXIDE: a. Emissions of carbon monoxide from spark ignited engines shall be determined using ARB Test Method 100. b. Emissions of carbon monoxide from compression ignited engines shall be determined using EPA Test Method 10. 502.3 OXYGEN CONTENT: a. Oxygen content of exhaust from spark ignited engines shall be determined using ARB Test Method 100.. b. Oxygen content of exhaust from compression ignited engines shall be determined using EPA Test Method 3A. 502.4 NONMETHANE HYDROCARBONS: a. Nonmethane hydrocarbon emissions shall be determined using EPA Test Method 25 or 25A. If EPA Test Method 25A is used, EPA Test Method 18 shall be used to determine methane content.SACRAMENTO METROPOLITAN AQMD RULES AND REGULATIONS

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