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Re: Catalytic's and CO2, do the 'um's' have it?
Posted to Technical Theory Forum on 10/5/1999 4 Replies

Hello Randy and Paul

Is there a formula used to transfer gpm to ppm,%?? I sure wish everyone used the same yardstick,I agree with Randy that gpm is more [...] the regulators keep the heat on manufacturers we will be using ppb (parts per billion) soon!

BTW ... Login to read more.

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