The components typically found in landfill gas are:

• Methane 54%

• Carbon Dioxide 42%

• Nitrogen 3.1%

• Oxygen 0.8%

• Hydrogen Sulfide less than 1200 ppm

• Carbon Monoxide (indicating under ground combustion)

Stream Composition and ranges for a valid

application for the NGC C3+ Analysis:

• Component Mol%

• Nitrogen 0.1-100

• Carbon Dioxide 0.1-100

• Methane 0.05-100

• Ethane 0.1-100

• Propane 0.05-100

• Hydrogen Sulfide 0.01-0.12

• Oxygen 0.2-20

• Carbon Monoxide 0.2 -100

• Hydrogen 0.1-20

• Ethylene 0.1-100