Multiple Choice
If a septic system is to be used for sewage disposal,
A) The surrounding soil must be impermeable to contain the wastes.
B) High population density is required for efficient operation.
C) In normal operation, all potential pollutants will be decomposed.
D) The soil should be unsaturated, containing sufficient air (oxygen) to permit aerobic breakdown of wastes.
Correct Answer:
Verified
Correct Answer:
Verified
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