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You may already have the answer but a general emission rate equation is based upon the following formula. ER = ppm * Mw * Qs * 1.557E-7 Where ER = lbs/hr ppm = ppmdv Qs = stack gas volumetric flow at 1 atm and 68 degF at associated humidity (DSCFM) 1.557E-7 wrapped up...

John Taylor is/was at the Univ of Colorado, Boulder, Dept of physics. Anyway-- A = first value a = error of A B = second value b = error of b C = result of A and B c = propagated error of a and b D = known constant w/o error Example Add A + B = C c = (a^2 + b^2)^0.5 Subtract A - B = C...

I know this question has been around for a while, but there is a publication regarding how to handle errors. I came across it in a physics class and have found it to be useful. The title is An Introduction to Error Analysis: The Study of Uncertainties in Physical Measurements. It was written...