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Ohio EPA Class 2 Water Supply UPDATED ACTUAL Questions and CORRECT Answers

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Ohio EPA Class 2 Water Supply UPDATED ACTUAL Questions and CORRECT Answers

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Ohio EPA Class 2 Water Supply UPDATED ACTUAL Questions and
CORRECT Answers

Question: Nitrate MCL
Correct Answer: The maximum allowable concentration of nitrate in drinking water, set at 10 mg/L as
nitrogen.
Question: Regulatory Agency for MCL
Correct Answer: The Environmental Protection Agency (EPA) is responsible for establishing and
enforcing drinking water standards.
Question: Nitrite MCL?
Correct Answer: 1 mg/L as N
Question: Arsenic MCL?
Correct Answer: 0.010 mg/L
Question: Fluoride MCL?
Correct Answer: 4.0 mg/L
Question: Barium MCL?
Correct Answer: 2.0 mg/L
Question: What is the MCL for E. coli?
Correct Answer: 0 (any detection is a violation)
Question: Lead Action Level?
Correct Answer: 0.015 mg/L (15 ppb)
Question: Copper Action Level?
Correct Answer: 1.3 mg/L
Question: TTHM (Total Trihalomethanes) MCL?
Correct Answer: 0.080 mg/L
Question: HAA5 (Haloacetic Acids) MCL?
Correct Answer: 0.060 mg/L
Question: MRDL for Free Chlorine?
Correct Answer: 4.0 mg/L
Question: MRDL for Chloramines?
Correct Answer: 4.0 mg/L
Question: MRDL for Chlorine Dioxide?
Correct Answer: 0.8 mg/L
Question: Iron Secondary MCL?
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