Process | Cubic Feet of Air Available Per lb. of BOD5* Loan in Aeration Tank |
Conventional | 1500 |
Step aeration | 1500 |
Contact stabilization | 1500 |
Modified or "High-Rate" | 400 to 1500 (depending on BOD5* removal expected) |
Extended aeration | 2600 |
* BOD5 is the scientific method used to accurately measure dissolved oxygen consumption, by comparison of dissolved oxygen in a sample at the beginning and at the end of a five-day period. |
W. Va. Code R. agency 64, tit. 64, ser. 64-47, tbl. 64-47H