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- By CategoryMixed GasesGas Comp Amount220.9000000Gas Comp Amount199.6670000 94.5000000 80.4375000 78.9000000 99.9799000 68.0000000 99.9460000 99.9000000 79.0000000 80.6375000 81.1000000 79.1000000 93.8140000 79.4780000Gas Comp 1PPM NITROGEN DIOXIDE OXYGEN NITROGEN ARGON