Which of the following chemical parameters are associated with the organic content of water?1. Biochemical Oxygen Demand (BOD)2. Chemical Oxygen Demand (COD)3. Total Organic Carbon (TOC) and Total Oxygen Demand (TOD)

• A. 1 and 2 only
• B. 1 and 3 only
• C. 2 and 3 only
• D. 1, 2 and 3