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Septic Installer Test For Washington State (WOSSA) Practice Exam Questions And All Complete Solutions.
Question 1:
ANSI
CORRECT ANSWER : American National Standards Institute
Question 2:
BOD
CORRECT ANSWER : biochemical oxygen demand, typically
expressed in mg/L.
Question 3:
CBOD
CORRECT ANSWER : Carbonaceous Biochemical Oxygen
Demand, expressed in mg/L.
Question 4:
FC
CORRECT ANSWER : Fecal Coliform, expressed in number of
colonies 100/ml.
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Question 5:
LOSS
CORRECT ANSWER : large on-site sewage system
Question 6:
NSF
CORRECT ANSWER : Nation Sanitation Foundation
International
Question 7:
O&G
CORRECT ANSWER : Oils and Grease, component of sewage
typically originating from food stuffs (animal fats of vegetable oils) expressed in mg/L.
Question 8:
RS&G
CORRECT ANSWER : Recommended Standards and Guidance
Question 9:
SSAS
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CORRECT ANSWER : a subsurface soil absorption system
Question 10:
TAC
CORRECT ANSWER : Technical Advisory Committee
established in WAC 247-272A-0400
Question 11:
TN
CORRECT ANSWER : Total Nitrogen, expressed in mg/L.
Question 12:
TSS
CORRECT ANSWER : Total Suspended Solids. A measure of
the total suspended solids in a given solution, expressed in mg/L.
Question 13:
USEPA
CORRECT ANSWER : United States Environmental Protection
Agency
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Question 14:
Additive
CORRECT ANSWER : a commercial product added to an on-
site sewage system intended to affect the performance or aesthetics of an on-site sewage system
Question 15:
Approved
CORRECT ANSWER : Acceptable to the authority having
jurisdiction. Local health officer or the department
Question 16:
BED
CORRECT ANSWER : a soil dispersal component consisting of
an excavation with a width greater than 3 feet
Question 17:
Building Sewer
CORRECT ANSWER : that part of the horizontal piping of a
drainage system which starts from the end of the building drain