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- By CategoryMixed GasesGas Comp Amount20.5000000Gas Comp Amount169.0000000 99.9997500 99.9685000 78.5375000 99.9999500 99.9150000 99.9917500 99.9070000 99.9985000 81.8470000 74.7000000Gas Comp 1PPM CARBON DIOXIDE NITROGEN N BUTANE PPM OXYGEN NITROGEN