parts per million (ppm)

Disscussing old, rare, very specific or otherwise uncommon units and measurements


parts per million (ppm)

Postby tigger » Sun Oct 08, 2006 7:34 pm

Does anyone know what the calculation of 35 ppm would be :?: I'm trying to study for my asvab, and ppm questions are confusing me! Thanks for any help if you can give it.

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