Social & Preventive Medicine All of the following are acceptable criteria for water quality except – A Dissolved O2 of 5 mg/L B Nitrates of 1 mg/L C Nitrites of 1-2 mg/L D Free & saline NH3 of 0.05 mg/L 💡 Explanation All of the following are acceptable criteria for water quality except - ✓ Correct Answer: A. Dissolved O2 of 5 mg/L