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Jan 27, 2014 · To qualify for the operator certification examination, you must meet the educational requirement for the Grade level you’re applying for at the time your application is submitted. Examination Application. Examination Requirements. Examination Schedule and Important Information for Examinees.
The Wastewater Operator Certification program (WWOCP) administers Wastewater Treatment Plant Certification examinations, certifications (grades I to V), and certification renewals.
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sampling and simple analysis of wastewater constituents, and operation and maintenance procedures in preliminary and primary treatment unit processes, anaerobic sludge digestion and disinfection.
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Explanation: It takes one BTU of heat energy to raise the temperature of one pound of sludge one degree Fahrenheit. A DAF with a 15 ft diameter receives a WAS flow of 25,000 gallons during a 10 hour period. Lab tests show the WAS concentration to be 9,000 mg/L. Calculate the solids loading in lbs/hr/ft2.
The standard BOD test measures the amount of dissolved oxygen consumed by bacteria as they utilize waste for food during a 8 day period at 15 degrees Celsius.
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Table of Contents. CHAPTER 1. Math Approach—The Solution Bridge ........................................................................................ 13. CHAPTER 2. Wastewater Gases and Constituents ......................................................................................... 29. CHAPTER 3.