Septic tanks are required to have all seams and drain holes sealed to make water tight.
true
all pretreatment units + distribution boxes are required to have KY approval numbers on them
true
equal-flow type distribution boxes may be installed on tamped sand or gravel
true
highest ...
what natural process removes most of sewage effluent from lateral trench?
a. evaporation
b. gravity flow
c. bacterial action
d. uptake by trees + grass
b. gravity flow
seasonal water tables can be identified in dry months by
a. orange + red colors in soil
b. direct presence of water in soil when sampled
c. gray, green, blue or black colors in soil
d. presence of large flag stones
e. all above
c. gray, green, blue or black colors in soil
certified installer must submit proposed system drawing prior to obtaining instillation permit
true
certified installer must lay out on site sewage system to determine if adequate fall is possible
between components
true
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