OSWW Installer's Test Questions & Correct Detailed AnswersLATEST UPDATE

OSWW Installer's Test Questions & Correct Detailed
Answers\LATEST UPDATE




The slope for the last ten feet of the line preceding the septic tank must not
exceed
_ __ inch per foot


ANSWERS: 1/4

Sufficient soil cover can be provided over the top of the septic tank to permit
_______


ANSWERS: Grass growth

Septic tanks should be inspected every 6 years and pumped at least every
______


ANSWERS: 8

The discharge of the effluent from septic tanks is prohibited


Into street gutters, surface ditches, or streams


The preferred treatment for septic tank is through Absorption Trenches


ANSWERS: Effluents


In absorption trenches, __ in the soil convert sewerage to minerals


ANSWERS: Microorganisms

, A percolation test consists of at least holes


ANSWERS: 3


Carefully scratch the bottom and sides of the percolation test hole with a
knife to remove any


ANSWERS: Smeared soil surfaces


In a percolation test, if the water drop is less than inches in 60 minutes the
site
can NOT use an absorption field


ANSWERS: 3

The Louisiana Sanitary Code requires at leastfeet of absorption field line for
each installation


ANSWERS: 160


Septic tank effluent applied to the absorption field trenches may require afor
equal distribution of the effluent


ANSWERS: Distribution box


Absorption trenches shall not be longer than feet


ANSWERS: 100