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Concentration in pristine well water and mountain streams

Range	0.01-10 Cells/ml
Organism	Bacteria Escherichia coli
Reference	Michael A. Savageau, 1983, Escherichia coli Habitats, Cell Types, and Molecular Mechanisms of Gene Control, The American Naturalist, Vol. 122, No. 6, (Dec., 1983), pp. 733
Primary Source	McFeters GA, Stuart SA, Olson SB, Growth of Heterotrophic Bacteria and Algal Extracellular Products in Oligotrophic Waters. Appl Environ Microbiol. 1978 Feb35(2):383-391PubMed ID16345278
Comments	2-4 cells/ml in in an unpolluted pristine stream, see primary source
Entered by	Uri M
ID	102098