 
			 
			MCQOPTIONS
 Saved Bookmarks
				| 1. | What is the retention time considered for the aerobic zone for the Virginia Initiative Plant treatment process for removing phosphorus? | 
| A. | t4-6 hrs | 
| B. | t10-12 hrs | 
| C. | t2-4 hrs | 
| D. | t1-2 hrs | 
| Answer» B. t10-12 hrs | |