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Wastewater Treatment Operator Certification Practice Exam #2 Questions 100% Answered!!
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Wastewater Treatment Operator Certification Practice Exam #2 Questions 100% Answered!!What is true about chlorine gas? - ANSWERIt is 2.5 times heavier than air What is the typical BOD removal efficiency in a primary clarifier? - ANSWER20 to 50% What does the "F" in F/M ratio represent? - ANSW...
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