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Developing an Action Level for Cryptosporidium
Journal article

Developing an Action Level for Cryptosporidium

Charles Haas and J Rose
J Am Water Works Assoc, Vol.87(9), pp.81-81
01 Sep 1995

Abstract

An outbreak level for the water contaminant Cryptosporidium is defined using data from previous monitoring studies and measurements before and after known outbreaks. The possibility for an outbreak occurs when oocyst concentrations reach and exceed 10-30 oocysts/100 l. Although outbreaks may occur at the lower levels of the range, they are not always detectable. Further sampling would be required in this instance, as in cases of high counts, in order to justify a plan of action.

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