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Question 4 ORP measurements can be used for controlling the disinfection process True False Question 5 True In an anaerobic environment oxygen is available from its combined forms such as nitrate and sulfate. False Question 6 Scum removal occurs as part of the preliminary treatment True 1/1 pts Fals...

Question 4 ORP measurements can be used for controlling the disinfection process True False Question 5 True In an anaerobic environment oxygen is available from its combined forms such as nitrate and sulfate. False Question 6 Scum removal occurs as part of the preliminary treatment True 1/1 pts False 1/1 pts 1/1 pts

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