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- By CategoryMixed GasesGas Comp Amount40.3500000Gas Comp Amount199.9890000 89.1850000 99.7420000 99.5500000 83.6690000 81.8785000 99.9974000 81.0420000 79.1000000 69.6000000 99.9991805 99.9972000 81.6375000Gas Comp 1PPM NITROGEN DIOXIDE NITROGEN OXYGEN ARGON