If the COD value is 126 mg/L, the BOD value would be approximately 84 mg/L.

If the COD value is 126 mg/L, the BOD value would be approximately 84 mg/L.

• A. 60 mg/L
• B. 70 mg/L
• C. 84 mg/L
• D. 90 mg/L

Answer: (C)