Instructors: Greg & Patresha Pearson, RN; CSUS-OWP Instructors © GREPA Health & Environmental – All rights reserved Drinking Water Workshops Essential.

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Instructors: Greg & Patresha Pearson, RN; CSUS-OWP Instructors © GREPA Health & Environmental – All rights reserved Drinking Water Workshops Essential Water Training for Today’s Operator

Water Workshops Brief Excerpt: GREPA’s Online Workshops Specials This Month! Water Treatment Prep Many Related Resources -Exam Prep -Continuing Education -Skill Set Development

Copyright - GREPA 2010 Do not distribute 200,000 cubic miles

Source Coagulation Flocculation Sedimentation Filtration Disinfection/ Clearwell Source to Tap By Patresha Pearson, RN

Water Quality Related Workshops Rx: Health & Safety in Public Drinking Water Exam Reviews: Distribution &Treatment Utility Plans Arsenic Mitigation & Removal Iron & Manganese Removal Filter Operation & Optimization Copyright - GREPA 2010 Do not distribute

The mystery man who solved the1854 London Cholera Outbreak

A water treatment operator is adding a dose of 2mg/l chlorine to a plant flow of 4MGD. How many lbs/day of chlorine will the plant use and what is the chlorine demand of the water if there is a measured residual of 1.7mg/l in the finished water?

Math Made Easy Steps Step 1: Draw a picture Step 2: Write down the formula Lbs/day = Flow (MGD) x conc.(mg/l) x 8.34lbs/gal Step 3: Plug in the known values Lbs/day = 4MGD x 2mg/l x 8.34lb/gal Step 4: Multiply across bottom of the Davidson Pi Formula 66.7 lbs Step 5: Dose = Demand + Residual 2mg/l – 1.7mg/l = 0.3mg/l For more details on easy dosage calculation methods click here. click here 4 X 2 X 8.34

“Essential Water Math Made Easy” Basic Water Math Workshop Advanced Water Math Workshop Math Study Guide – Grade Specific

CWTI Splash CardsCopyright GRepa Inc. All Rights Reserved 11 GREPA Health & Environmental PRESEN TS Click To Begin

Resources Copyright - GREPA 2010 Do not distribute Online Training Onsite Training Study Guides Practice Tests Correspondence Courses Exam Reviews All Grades

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