AP 42, Fifth Edition, Volume I Chapter 3: Stationary Internal Combustion Sources

 
3.1 Stationary Gas Turbines

• AP-42 3.1 Final Section - Supplement F, April 2000 (PDF) (20 pp, 99 K, About PDF)
• AP-42 3.1 Background Document (PDF) (47 pp, 247 K, About PDF)
• Related Information - The data that supports the emissions factors are presented in summary in the background report and are reported more completely in a database. The  database is a zipped MS Access file (zip)  . (ZIP 235K)

 
3.2 Natural Gas-fired Reciprocating Engines

• AP-42 3.2 Final Section - October 2024 (pdf) (313.98 KB)
• AP-42 3.2 Background Document (PDF) (35 pp, 167 K)
• AP-42 3.2 Related Information

 
3.3 Gasoline and Diesel Industrial Engines

• AP-42 3.3 Final Section - April 2025 (pdf) (264.24 KB)
• AP-42 3.3 Background Document (PDF) (74 pp, 144 K)

 
3.4 Large Stationary Diesel and All Stationary Dual-fuel Engines

• AP-42 3.4 Final Section - April 2025 (pdf) (280.89 KB)
• AP-42 3.4 Background Document (PDF) (88 pp, 217 K) 1993 with September 1996 revisions

AP 42 Emissions Factors by Chapter