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. 1985 Jun;49(6):1361–1365. doi: 10.1128/aem.49.6.1361-1365.1985

UV inactivation of pathogenic and indicator microorganisms.

J C Chang, S F Ossoff, D C Lobe, M H Dorfman, C M Dumais, R G Qualls, J D Johnson
PMCID: PMC241729  PMID: 2990336

Abstract

Survival was measured as a function of the dose of germicidal UV light for the bacteria Escherichia coli, Salmonella typhi, Shigella sonnei, Streptococcus faecalis, Staphylococcus aureus, and Bacillus subtilis spores, the enteric viruses poliovirus type 1 and simian rotavirus SA11, the cysts of the protozoan Acanthamoeba castellanii, as well as for total coliforms and standard plate count microorganisms from secondary effluent. The doses of UV light necessary for a 99.9% inactivation of the cultured vegetative bacteria, total coliforms, and standard plate count microorganisms were comparable. However, the viruses, the bacterial spores, and the amoebic cysts required about 3 to 4 times, 9 times, and 15 times, respectively, the dose required for E. coli. These ratios covered a narrower relative dose range than that previously reported for chlorine disinfection of E. coli, viruses, spores, and cysts.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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