ABSTRACT

Chapter 12-Achievement Test 1. An aeration tank is 90 ft long, 30 ft wide, andoperatesat an average depthof 16ft.

What is the capacityof the tank, in gallons?

ANS _

2. The BOD contentof the wastewater enteringan aerationtank is 217 mg/L. If the flow to the aeration tank is 1,668,000 gpd, what is the lbs/dayBOD loading?