Project #107

Inactivation of Giardia Cysts With Chlorine at 0.5°C to 5°C

$124,392
Completed
Principal Investigator
Charles
Hibler
Research Manager
Marty Allen
Contractor
Colorado State University
Microbes & Pathogens
Treatment
Regulations

Abstract

Delineates amount of chlorine and contact time required to inactivate Giardia cysts at different disinfectant concentrations and pH ranges in low-temperature waters. These inactivation rates (CT values) were used to develop U.S. surface water treatment performance requirements. Published in 1987.

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