Search Results for the EPA National Library Catalog

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Your Search: (AUTHOR=Childers AND Ralph AND E)

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Select Item	Title	Year Published
1	Collaborative study of reference method for determination of sulfur dioxide in the atmosphere (pararosaniline method) /	1971
2	Collaborative study of reference method for the continuous measurement of carbon monoxide in the atmosphere (non-dispersive infrared spectrometry)	1972
3	Collaborative study of reference method for the determination of suspended particulates in the atmosphere (high volume method) /	1971
4	Collaborative study reference method for measurement of photochemical oxidants in the atmosphere (ozone-ehtylene chemiluminescent method) /	1975

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