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- By CategoryMixed GasesGas Comp Amount220.9000000Gas Comp Amount199.5500000 99.9999000 99.9994300 99.9730000 99.9974000 99.9460000 79.1000000 87.3865000 99.4000000 99.9725000 99.7200000Gas Comp 1NITROGEN ARGON OXYGEN PPM NITROGEN DIOXIDE