Specifications

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6.6.2.2.2 Gas Ratios
Balance/ O
2
 Results near “4” indicate a direct air leak into the sample train, sample fitting or
wellhead.
 User should be familiar with interpreting the range of ratios for Balance/ O
2
.
Information is available within the SWANA Landfill Gas O&M Manual available at
www.swana.org.
CH
4
/ CO
2
 Ratio lower than 1.1 may indicate potential for stressed conditions on a landfill gas
well.
 The ratio may assist in drawing attention to different phases of landfill gas
production.
 User should be familiar with interpreting the range of ratios for CH
4
/ CO
2
.
Information is available within the SWANA Landfill Gas O&M Manual available at
www.swana.org.