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- By CategoryMixed GasesGas Comp Amount20.4000000Gas Comp Amount199.9250000 84.9000000 93.8140000 79.1000000 2.0000000 99.7420000 99.9000000 79.6000000 99.9799000 99.9969000 78.4000000Gas Comp 1PPM NITROGEN DIOXIDE OXYGEN ARGON NITROGEN