3. During a BOD test, a wastewater sample is found to have a DO concentration in excess of 7 mg/L. What does this result
Posted: Tue Apr 26, 2022 1:52 pm
- 3 During A Bod Test A Wastewater Sample Is Found To Have A Do Concentration In Excess Of 7 Mg L What Does This Result 1 (21.18 KiB) Viewed 40 times
3. During a BOD test, a wastewater sample is found to have a DO concentration in excess of 7 mg/L. What does this result indicate? (A) Anaerobic conditions are present. (B) Anoxic conditions are present. (C) Biological organisms are absent in the sample. (D) The sample has been exposed to the atmosphere for an extended period of time.