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Water Well Disinfection Workshop
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8/10/2017
When: August 10, 2017
8:30am - 4:30pm
Where: Disneyland Hotel
Anaheim, California 
United States
Contact: Tim Guishard
916-231-2134


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*Pre-registration for the course is now closed, but we would still love to have you! You can register on site, or you can print this form and bring it with you. Can't wait to see you in Disneyland!*

This course has been approved by the State Water Board for 7 Continuing Education Units

Synopsis: 

- Groundwater Hydraulics to the novice, because it’s critical to understanding how much water is taken into a flooded well based upon

time of flooding, Permeability of the soils or volume of fractures, and static level of the well. 

- The chemical and biological differences and similarities between Surface Water and Groundwater.

- Understanding problems in wells (coliform, E. coli, and Iron Bacteria) including grout failures, corrosion in well casing, inadequate seating of well casing in consolidated aquifers.  

- “Timed” testing in wells to determine if there is a continuing source of organisms to better understand if chlorination could be effective.

-  Understanding well vs system problems by location testing in the system and working back to the well.  

-  Types of local lab testing and differences between Present/Absent and coliform counts.  IDs of Opportunistic Pathogens that

will cause false Present on lab tests.  

-  Chlorine:  Biocidal vs oxidative chlorine products, percentages of chlorine, half life of chlorine.

- Examples of tools and equipment used in well disinfection

-  Factors of successful chlorination in normal wells due to pH of natural water, placement of chlorine, monitoring of chlorine residual, etc.

- Factors of successful chlorination in flood conditions.

 

About the Instructors: 

.

Tim Guishard has over 32 years of experience in the groundwater industry. He holds certifications from AWWA in several backflow related topics, has held a CDPH T-1 Water Treatment Plant Operator certification, and currently holds a SWRCB certification as a D-1 Distribution System Operator. He is the CGA Education Committee Chairman, and sits on the Scholarship, Legislative, and Convention Committees.

 

Larry Newcomb is a Supervisor with the San Diego County Department of Environmental Health (14 years), private consultant to engineers, attorneys, realtors, water companies, private property owners, and related industry contractors (22 years); worked as a chemist doing applied research at a major reverse osmosis component manufacturer, microbiologist & supervisor of  media quality control for an international company and an instructor at a local community college,.  The baseline for his adult success can be traced to the personal discipline, confidence and positive attitude resulting from six years in the United State Navy Submarine Service.