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watermicrohistory
History of water testing in developing countries using the Colilert 10 ml presence/absence test and the E. coli Count Petrifilm as test items of a Portable Microbiology Laboratory.
Date(s): 1987-2003. Album by Bob Metcalf. Photos by Bob Metcalf. 1 - 110 of 110 Total. 0 Visits.
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