When using plants over an absorption field you should consider all of the following EXCEPT:
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As part of an ATU, the clarification chamber aerates the inf…
As part of an ATU, the clarification chamber aerates the influent wastewater for aerobic bacterial growth.
A ___ determines the unconfined compressive strength of soil…
A ___ determines the unconfined compressive strength of soil in tsf (tons per square foot).
The minimum fall in pipe elevation from the house to the sep…
The minimum fall in pipe elevation from the house to the septic tank is ___ or ___ of pipe.
One way to maximize the nutrients removed from a site is to…
One way to maximize the nutrients removed from a site is to harvest wetland plants several times during the growing season.
If there is surfacing sewage at the septic tank:
If there is surfacing sewage at the septic tank:
Benching is allowed in Type C soils.
Benching is allowed in Type C soils.
OSHA excavation standards require an employer to have a comp…
OSHA excavation standards require an employer to have a competent person to classify soil and rock deposits.
There can be no benching greater than 20 feet total depth un…
There can be no benching greater than 20 feet total depth unless designed and approved by a registered professional engineer.
A cubic meter of soil weighs:
A cubic meter of soil weighs: