§ 129.93. Presumptive RACT emission limitations.
(a) The owner and operator of a major NOx emitting facility listed in this section and subject to § 129.91 (relating to control of major sources of NOx and VOCs) may elect to comply with the emission limitations of this section as an alternative to developing and implementing a RACT emission limitation on a case-by-case basis.
(b) The owner and operator shall develop and implement the following presumptive RACT emission limitations:
(1) For a coal-fired combustion unit with a rated heat input equal to or greater than 100 million Btu/hour, presumptive RACT shall be the installation and operation of low NOx burners with separate overfire air.
(2) For a combustion unit with a rated heat input equal to or greater than 20 million Btu/hour and less than 50 million Btu/hour presumptive RACT shall be the performance of an annual adjustment or tuneup on the combustion process. This adjustment shall include, at a minimum, the following:
(i) Inspection, adjustment, cleaning or replacement of fuel-burning equipment, including the burners and moving parts necessary for proper operation as specified by the manufacturer.
(ii) Inspection of the flame pattern or characteristics and adjustments necessary to minimize total emissions of NOx, and to the extent practicable minimize emissions of CO.
(iii) Inspection of the air-to-fuel ratio control system and adjustments necessary to ensure proper calibration and operation as specified by the manufacturer.
(3) For combustion units subject to paragraph (2), the owner and operator of the adjusted equipment shall record each adjustment conducted under the procedures in paragraph (2) in a permanently bound log book or other method approved by the Department. This log shall contain, at a minimum, the following information:
(i) The date of the tuning procedure.
(ii) The name of the service company and technicians.
(iii) The final operating rate or load.
(iv) The final CO and NOx emission rates.
(v) The final excess oxygen rate.
(vi) Other information required by the applicable operating permit.
(4) For oil, gas and combination oil/gas units subject to paragraph (2), the owner and operator shall maintain records including a certification from the fuel supplier of the type of fuel and for each shipment of distillate oils number 1 or 2, a certification that the fuel complies with ASTM D396-78 ‘‘Standard Specifications for Fuel Oils.’’ For residual oils, minimum recordkeeping includes a certification from the fuel supplier of the nitrogen content of the fuel, and identification of the sampling method and sampling protocol.
(5) For oil and gas and combination oil/gas fired units subject to paragraph (2), the owner and operator shall make the annual adjustment in accordance with the EPA document ‘‘Combustion Efficiency Optimization Manual for Operators of Oil and Gas-fired Boilers,’’ September 1983 (EPA-340/1-83-023) or equivalent procedures approved in writing by the Department.
(c) For the following source types, presumptive RACT emission limitations are the installation, maintenance and operation of the source in accordance with manufacturers specifications:
(1) Boilers and other combustion sources with individual rated gross heat inputs less than 20 million Btu/hour of operation.
(2) Combustion turbines with individual heat input rates less than 25 million Btu/hour which are used for natural gas distribution.
(3) Internal combustion engines rated at less than 500 bhp (gross) which are set and maintaining 4° retarded relative to standard timing.
(4) Incinerators or thermal/catalytic oxidizers used primarily for air pollution control.
(5) Any fuel-burning equipment, gas turbine or internal combustion engine with an annual capacity factor of less than 5%, or an emergency standby engine operating less than 500 hours in a consecutive 12-month period.
(6) Sources which have been approved as meeting LAER for NOx emissions since November 15, 1990, with Federally enforceable emission limitations.
(7) Sources which have been approved as meeting BACT for NOx emissions since November 15, 1990, with Federally enforceable emission limitations. These sources shall, however, meet any more stringent category-wide RACT emission limitation promulgated by EPA or the Department.
Source The provisions of this § 129.93 adopted January 14, 1994, effective January 15, 1994, 24 Pa.B. 467; amended April 22, 1994, effective April 23, 1994, 24 Pa.B. 2078. Immediately preceding text appears at serial pages (186080) to (186081).
Cross References This section cited in 25 Pa. Code § 121.1 (relating to definitions); 25 Pa. Code § 129.52a (relating to control of VOC emissions from large appliance and metal furniture surface coating processes); 25 Pa. Code § 129.52b (relating to control of VOC emissions from paper, film and foil surface coating processes); 25 Pa. Code § 129.52c (relating to control of VOC emissions from flat wood paneling surface coating processes); 25 Pa. Code § 129.52d (relating to control of VOC emissions from miscellaneous metal parts surface coating processes, miscellaneous plastic parts surface coating processes and pleasure craft surface coatings); 25 Pa. Code § 129.52e (relating to control of VOC emissions from automobile and light-duty truck assembly coating operations and heavier vehicle coating operations); 25 Pa. Code § 129.63a (relating to control of VOC emissions from industrial cleaning solvents); 25 Pa. Code § 129.67a (relating to control of VOC emissions from flexible packaging printing presses); 25 Pa. Code § 129.67b (relating to control of VOC emissions from offset lithographic printing presses and letterpress printing presses); 25 Pa. Code § 129.74 (relating to control of VOC emissions from fiberglass boat manufacturing materials); 25 Pa. Code § 129.91 (relating to control of major sources of NOx and VOCs); 25 Pa. Code § 129.92 (relating to RACT proposal requirements); 25 Pa. Code § 129.94 (relating to NOx RACT emission averaging general requirements); 25 Pa. Code § 129.95 (relating to recordkeeping); 25 Pa. Code § 129.97 (relating to presumptive RACT requirements, RACT emission limitations and petition for alternative compliance schedule); 25 Pa. Code § 129.112 (relating to presumptive RACT requirements, RACT emission limitations and petition for alternative compliance schedule); 25 Pa. Code § 129.121 (relating to general provisions and applicability); and 25 Pa. Code § 29.131 (relating to general provisions and applicability).
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