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AWWA ACE61738
- The Role of UV in a Multiple Barrier Approach to Virus Control
- Conference Proceeding by American Water Works Association, 06/17/2005
- Publisher: AWWA
$12.00$24.00
This slide presentation outlines information on the role of ultraviolet (UV) disinfection in a multiple barrier approach to virus control at the Cedar Rapids Water Department where it was demonstrated for one year. Topics covered include: Cedar Rapids Water Department goals; current Surface Water Treatment Rule (SWTR) compliance status; alternatives for additionalvirus inactivation; breakpoint chlorination haswater quality concerns; more chloramine storage; benefits of UV; flow chart of distribution system test; distribution system water quality results; Adenovirus; new stringent regulations for UVvirus credit; other available virus barriers in Cedar Rapids; adding chlorine to water withammonia significantly killsAdenovirus; sequential UV/Chloramine has5-log Adenovirus kill; high pH provides 3-logAdenovirus kill; riverbank filtration; and, disinfection strategy.
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