Workshop: Understanding Disinfection Requirements, including how to conduct a tracer study, interpret the results and apply to your utility
Date: Tuesday August 8, 2017 (8am – 4pm)
Location: Mesa Water Treatment Plant – 24 person workshop
Committee: Water Treatment
If you’ve ever wondered the following, this training is for you!
· Why do we disinfect the water and what is the best way to disinfect?
· What variables effect disinfection the most?
o Chlorine Residual
o Seasonal conditions (temperature, pH)
o Disinfectant type
o Hydraulics/Tank Baffling
· How do you run a tracer study at your plant?
· How can I increase my contact time?
Description: This workshop gives the operator of a surface water treatment plant the background and practical experience to understand the disinfection process and what really effects disinfection. This course focuses on the operator-controlled variables in disinfection (flow, tank levels, chlorine residuals) as well as teaches operators how to characterize their current facility and simple ways to increase disinfectant contact time.
Learning Outcomes:
· Understand how to disinfect the water
· Recognize which variables effect disinfection and their relative impact on efficacy
o Chlorine Residual
o Seasonal conditions (temperature, pH)
o Disinfectant type
o Hydraulics/Tank Baffling
· Practice running a tracer study
· Apply tracer results and industry practice to increase your disinfectant contact time.
Who should attend?
Operators and utility management from surface water systems.
Registration:
*Note: Registration is limited to 24 participants and operators will be given preference if the workshop sells out. Please note that once your registration is confirmed, a separate e-mail will be sent out with additional information needed for the workshop.
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Approved TUs pending
(Colorado):
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WT:
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0.7
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WW:
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0.7
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IN:
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0.7
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CO:
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0
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DS:
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0
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SU:
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0
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Fee: $95 through July 23rd and $120 beginning July 24th.
Please contact Elizabeth Carter, Water Treatment Committee Chair with any questions regarding this training at 720.859.4338 or ecarter@auroragov.org
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WORKSHOP AGENDA
HOSTED BY WATER TREATMENT COMMITTEE
ROCKY MOUNTAIN SECTION AWWA
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Understanding Disinfection Requirements, including how to conduct a tracer study, interpret the results and apply to your utility
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8:30 – 8:50
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Overview of Disinfection
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Dr. Chris Tadanier, Black & Veatch
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8:50 – 9:20
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Regulatory framework and reassessment of surface water in Colorado
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Tyson Ingels, CDPHE
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9:20 – 9:50
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Explanation of Log Inactivation Equation:
Log inactivation = C X T10
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David Dani, CDPHE
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9:50 – 10:00
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Break
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10:00 – 11:30
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Lab: Calculating disinfection requirements under a variety of environmental conditions
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All Instructors
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11:30 – 12:00
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Lunch
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12:00 – 12:45
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Hydraulics Review: Understanding effects of baffling, mixing and short circuiting
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Doug Brown, CDM-Smith
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12:45 – 1:15
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How to conduct a tracer study
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Sarah Foster, CH2M
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1:15 – 3:15
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Lab: Visual tracer study and data interpretation
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All Instructors
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3:15 – 3:30
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Break
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3:30 – 4:00
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Case study - CSU
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All Instructors
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