Podcast
Questions and Answers
The city issues the NPDES permit.
The city issues the NPDES permit.
Answer hidden
The NPDES permit program was created in _______________ by the Clean Water Act (CWA)and is
administered by the federal USEPA.
The NPDES permit program was created in _______________ by the Clean Water Act (CWA)and is administered by the federal USEPA.
Answer hidden
Digester gas is a product of wastewater solids treatment that
contains
Digester gas is a product of wastewater solids treatment that contains
Answer hidden
Wastewater treatment facilities can be an extremely safe occupational field.
Wastewater treatment facilities can be an extremely safe occupational field.
Answer hidden
0.1% concentration = 1, 000 ppm or mg/L
0.1% concentration = 1, 000 ppm or mg/L
Answer hidden
A 12.5% bleach solution contains 12.5% or 125, 000 ppm of active chlorine.
A 12.5% bleach solution contains 12.5% or 125, 000 ppm of active chlorine.
Answer hidden
An air gap is the best device for preventing backflow into the potable water supply.
An air gap is the best device for preventing backflow into the potable water supply.
Answer hidden
A lateral is the piping that connects the public sewer to the building.
A lateral is the piping that connects the public sewer to the building.
Answer hidden
Excessive FOG accumulation can't cause sewer overflows.
Excessive FOG accumulation can't cause sewer overflows.
Answer hidden
Answer hidden
Explain "sloughs off" in wastewater plants.
Explain "sloughs off" in wastewater plants.
Answer hidden
Trickling filter is a fixed film primary treatment process.
Trickling filter is a fixed film primary treatment process.
Answer hidden
Match the items for stabilization ponds.
Match the items for stabilization ponds.
Answer hidden
Pond Area
Formula: Pond Area = Width ∗ Length.
also, Pond Area =
Pond Volume divided by
Pond Depth
Example Problem:
A pond is 260 ft. long and 80 ft. wide. What is the area of this pond in acres?
Pond Area
Formula: Pond Area = Width ∗ Length.
also, Pond Area =
Pond Volume divided by
Pond Depth
Example Problem: A pond is 260 ft. long and 80 ft. wide. What is the area of this pond in acres?
Answer hidden