11 Gas Quality Specifications/Applicability Typical Pipeline Gas Quality Components –Btu Content (Minimum/Maximum limits) –Hydrogen Sulfide (H 2 S) –Total Sulfur (S) –Nitrogen (N) –Carbon Dioxide (CO 2 ) –Oxygen (O 2 ) –Water and/or Water Vapor –Hydrocarbon Liquefiables –Temperature –Total Inerts –Dust, Gum, Dirt –Other Burnability (HHV, HV, Input Factor, Wobbe) Mercaptans Not all applicable to all pipelines