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Coliform Persistence in Highly Chlorinated Waters
Author(s) -
Tracy Harry W.,
Camarena Victor M.,
Wing Frederick
Publication year - 1966
Publication title -
journal ‐ american water works association
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.466
H-Index - 74
eISSN - 1551-8833
pISSN - 0003-150X
DOI - 10.1002/j.1551-8833.1966.tb01679.x
Subject(s) - chlorine , persistence (discontinuity) , environmental chemistry , sodium hypochlorite , bottle , chemistry , microbiology and biotechnology , biology , toxicology , environmental science , organic chemistry , geography , geology , geotechnical engineering , archaeology
This study demonstrates how coliform organisms might exist under hours of contact with one mg/l of chlorine or even greater concentrations. The investigation discovered a train of events whereby a Crustacea harboring coli forms, while passing through a spigot, becomes ruptured by the velocity of the water, and is almost immediately flushed into a sample bottle containing sodium thiosulphate. The chlorine is neutralized and the coliforms are distributed throughout the sample, resulting in illogical bacteriologic results.