1. A. In this chapter, the following terms have the meanings indicated.

2. B. Terms Defined.

   1. (1) “Natural gas pipeline compression station” means a main line natural gas transmission station, consisting of one or more internal combustion engines, used to compress natural gas, thereby sustaining flow of natural gas through the pipeline.
   2. (2) “Parametric optimization” means the adjustment of an internal combustion engine, such as adjustment of the air-to-fuel ratio, that maximizes engine efficiency and minimizes emissions.

Authority: Environment Article, §§1-101, 1-404, 2-101—2-103, and 2-301—2-303, Annotated Code of Maryland

Effective date: May 1, 2000 (27:8 Md. R. 799)

Regulation .09 amended effective November 24, 2003 (30:23 Md. R. 1654)

Regulations .01—.15 repealed and new Regulations .01—.05 adopted as an emergency provision effective January 1, 2010 (37:4 Md. R. 336); adopted permanently effective May 31, 2010 (37:11 Md. R. 766)

Regulations .01—.05 under NO_x Reduction Requirements for Non-Electric Generating Units, repealed and new Regulations .01—.05 under Control of NO_x Emissions from Natural Gas Pipeline Compression Stations, adopted effective July 20, 2015 (42:14 Md. R. 885)