§ 129.203. Stationary internal combustion engines.
(a) By May 1, 2005, the owner or operator of a stationary internal combustion engine rated at greater than 1,000 horsepower and located in Bucks, Chester, Delaware, Montgomery or Philadelphia County shall comply with this section and § 129.204 (relating to emission accountability). This section does not apply to naval marine combustion units operated by the United States Navy for the purposes of testing and operational training or to stationary internal combustion engines regulated under Chapter 145, Subchapter B (relating to emissions of NOx from stationary internal combustion engines).
(b) By October 31, 2005, and each year thereafter, the owner or operator of the stationary internal combustion engine shall calculate the difference between the actual emissions from the unit during the period from May 1 through September 30 and the allowable emissions for that period.
(c) The owner or operator shall calculate allowable emissions by multiplying the cumulative hours of operations for the unit for the period by the horsepower rating of the unit and by the applicable emission rate set forth in paragraph (1) or (2).
(1) For a spark-ignited engine, 3.0 grams of NOx per brake horsepower-hour.
(2) For a compression ignition stationary internal combustion engine firing diesel fuel or a combination of diesel fuel and natural gas, 2.3 grams of NOx per brake horsepower-hour.
(d) Emissions from a stationary internal combustion engine that has been or is replaced by an electric motor may be counted as allowable emissions for purposes of this section and § 129.204, as follows:
(1) For a replaced spark-ignited engine, 3.0 grams of NOx per brake horsepower-hour of the replacement motor, less 1.5 pounds of NOx per MWH of electricity consumed by the replacement motor.
(2) For a replaced compression ignition stationary internal combustion engine that fired diesel fuel or a combination of diesel fuel and natural gas, 2.3 grams of NOx per brake horsepower-hour, less 1.5 pounds of NOx per MWH of electricity consumed by the replacement motor.
Authority The provisions of this § 129.203 issued under section 5 of the Air Pollution Control Act (35 P.S. § 4005).
Source The provisions of this § 129.203 adopted December 10, 2004, effective December 11, 2004, 34 Pa.B. 6509.
Cross References This section cited in 25 Pa. Code § 129.97 (relating to presumptive RACT requirements, RACT emission limitations and petition for alternative compliance schedule); 25 Pa. Code § 129.99 (relating to alternative RACT proposal 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 § 129.114 (relating to alternative RACT proposal and petition for alternative compliance schedule); 25 Pa. Code § 129.204 (relating to emission accountability); and 25 Pa. Code § 145.8 (relating to transition to CAIR NOx trading program).
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