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Buyer: Gases :,, h2s 25 ppm,, h2 100 ppm,, ch4 2.5%,, c3h8 0.75 %,, c4h10 0.9 %,, multi-component gas: -25 ppm h2s co - 100 ppm o2 - 18% ch4 is 2.5% n2 - 79.4875%.
