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- By CategoryMixed GasesGas Comp Amount220.9000000Gas Comp Amount110.0000000 99.6894000 79.9920000 99.7900000 8.0000000 99.9972500 99.8200000 99.9895800 79.1000000 99.5000000 99.5500000Gas Comp 1PPM NITROGEN DIOXIDE OXYGEN ARGON NITROGEN