APPLICATION of the Proposed UVDGM Requirements TO AN EXISTING UV DISINFECTION INSTALLATION

The Clayton County (Ga.) Water Authority (CCWA) has installed ultraviolet (UV) disinfection systems at three water treatment plants. The CCWA's projects were designed, constructed, and tested in advance of publication of the proposed Ultraviolet Disinfection Guidance Manual (UVDGM) by the US En...

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Veröffentlicht in:Journal - American Water Works Association 2004-10, Vol.96 (10), p.83-96
Hauptverfasser: SWAIM, PAUL D., JEFFCOAT, STUART B., ROBERSON, J. ALAN, VIA, STEVE, PIHERA, GUY, BELLAMY, WILLIAM D.
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container_end_page 96
container_issue 10
container_start_page 83
container_title Journal - American Water Works Association
container_volume 96
creator SWAIM, PAUL D.
JEFFCOAT, STUART B.
ROBERSON, J. ALAN
VIA, STEVE
PIHERA, GUY
BELLAMY, WILLIAM D.
description The Clayton County (Ga.) Water Authority (CCWA) has installed ultraviolet (UV) disinfection systems at three water treatment plants. The CCWA's projects were designed, constructed, and tested in advance of publication of the proposed Ultraviolet Disinfection Guidance Manual (UVDGM) by the US Environmental Protection Agency (USEPA) in June 2003. Onsite validation testing was successfully completed at the three facilities early in 2003. Following the publication of the proposed UVDGM, the UV system configuration and validation results for the CCWA's Freeman Road plant were analyzed under the UVDGM framework. A comparison to the Tier 1 requirements indicated that not all criteria were met, making a Tier 2 analysis necessary. From the Tier 2 analysis, the UV safety factors and dose requirement were reduced by approximately 12% compared with the proposed Tier 1 dose requirement. These analyses showed that the CCWA systems are surpassing all potentially applicable USEPA requirements, and the CCWA is providing enhanced public health protection as intended at project inception. As a result of these analyses, significant comments, focused on simplifying the proposed UVDGM and enhancing its ease of use, were submitted to the USEPA.
doi_str_mv 10.1002/j.1551-8833.2004.tb10725.x
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source Jstor Complete Legacy; Wiley Online Library Journals Frontfile Complete
subjects Applied sciences
Clayton County, Georgia
Collimation
Compliance
Confidence interval
Cysts
Disinfection
Disinfection & disinfectants
Dosage
Dose response relationship
Drinking water
Drinking water and swimming-pool water. Desalination
Environmental protection
Exact sciences and technology
Global environmental pollution
Installation
Lamps
Light
Pollution
Potable water
Regulation
Safety
Safety factors
Safety management
Sensors
Standard deviation
Sterilization
Surface water
Testing
Treatment Plants
Ultraviolet Disinfection
Ultraviolet radiation
Viruses
Water treatment
Water treatment and pollution
Water treatment plants
title APPLICATION of the Proposed UVDGM Requirements TO AN EXISTING UV DISINFECTION INSTALLATION
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