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LEGISLATION & RULES

National Emission Standards for Hazardous Air Pollutants for Reciprocating Internal Combustion Engines, December 7, 2010 Federal Register, Notice　The notice requests comment on whether EPA should amend the March 3, 2010 final rule to allow emergency engines to operate for up to 15 hours per year as part of a demand response program if there are emergency conditions that could lead to a potential electrical blackout. Comments are due February 14, 2011.

National Emission Standards for Hazardous Air Pollutants for Reciprocating Internal Combustion Engines, August 20, 2010 Federal Register, Final Rule The rule establishes standards to reduce emissions of formaldehyde, benzene, acrolein and other pollutants from certain stationary diesel engines. The rule applies to existing stationary spark ignition reciprocating internal combustion engines located at area sources, or engines that have a site rating of 500 brake horsepower or less and are located at major sources. The effective date is October 19, 2010.

Standards of Performance for Stationary Compression Ignition and Spark Ignition Reciprocating Internal Combustion Engines, June 8, 2010 Federal Register, Proposed Rule The rule would implement more stringent standards for stationary compression ignition engines with displacement of at least 10 liters per cylinder. Under the proposal, EPA would limit particulate matter and NOx emissions from these engines. Limits would be relative to engine size. The limits include a first tier for new engines using current engine-based technologies and a second, more stringent tier for engines employing new catalytic exhaust after-treatment. The proposal also prescribes performance testing and maintenance requirements. Comments are due August 9, 2010.

National Emission Standards for Hazardous Air Pollutants for Reciprocating Internal Combustion Engines, March 3, 2010 Federal Register, Final Rule The rule imposes new requirements for existing stationary diesel-fueled (compression ignition) engines at both major and area sources of hazardous air pollutant (HAP), excluding those larger than 500 brake horsepower (HP) designated solely for emergency use at a major source. It requires HAP emissions controls for affected engines, using carbon monoxide as a surrogate. It prescribes service requirements at intervals dependent upon the engine’s horsepower rating, and requires the use of ultra-low sulfur diesel for engines above 300 HP.

Initial HAP emissions performance tests are required for engines larger than 100 HP at major sources or 300 HP at area sources. Engines over 500 HP will require recurring tests. The rule also includes provisions for recordkeeping, as well as notification and reporting to EPA. Compliance is required by May 3, 2013. A separate rulemaking for stationary gasoline, natural gas or propane (spark ignition) engines is expected to be finalized by August 10, 2010.

Click here for a detailed synopsis of the RICE requirements. Additional information may be found on EPA’s Website.

Updates, Comments & Other Reports

January 2011 In response to a request by the American Petroleum Institute, Exterran, the Gas Processors Association and the Interstate Natural Gas Association of America, EPA Administrator Lisa Jackson has granted a 90-day stay of the provisions in 40 CFR 63.6625(b) and 40 CFR 63.6625 (k). EPA indicated its plans to publish an amendment to the rule clarifying the continuous parametric monitoring system data validation requirements and the procedures for conducting quarterly calibrations of the temperature measurement devices.

June 2010 It still remains unclear what level of impact this will have on terminals. The control number for the applicability determination index (ADI) posted for RICE engines regarding portability is M090038. Click here for additional ADI information.