• AWWA WQTC69457

AWWA WQTC69457

Coliphage T1 as a Bioassay Surrogate for Cryptosporidium in Validations of UV Reactors for Drinking Water and Wastewater

American Water Works Association , 11/01/2008

Publisher: AWWA

File Format: PDF

$12.00$24.00


Coliphage T1 11303-B1 has been tested and used as a surrogate for Cryptosporidium in ultraviolet (UV) reactor bioassays in drinking water, and as a UV-sensitive challenge organism for wastewater reactor validations. This presentation reports the characteristics of T1 in these roles, and evaluates its usefulness to the water quality industry. T1 was found to be well-suited for testing of UV reactors in the dose range of 2.5 to 20 mJ/cm2. Due to the similarity of its UV dose response curve to Cryptosporidium, the resulting reduction equivalent dose may be considerably reduced relative to that assigned to results of bioassays using the conventional coliphage MS2. Includes 6 references, tables, figures.

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