South Carolina Waste Hauler License Exam
COMPLETE VERIFIED QUESTIONS AND DETAILED
SOLUTIONS LATEST UPDATE.pdf
In conventional wastewater system aggregate shall be
cover with at least____ Inches of soil? - Answer-9"
Conventional Wastewater infiltration trenches shall
be_____ feet in width? - Answer-3'
Conventional wastewater infiltration trench aggregate shall
be______ inches in depth and placed so as to provide
_____ inches of aggregate below the pipe, _____ inches
beside the pipe and ____ inches above the pipe. -
Answer-14" 7" 4" 3"
Where gravity flow is utilized the invert elevation of the
septic tank outlet shall be? - Answer-the same elevation or
higher than the top of the aggregate in the highest
wastewater infiltration trench
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The aggregate used in on site wastewater system shall be
a material approved by the department and shall range in
size. - Answer-1/2" to 2 1/2"
All pipe used on wastewater system shall meet applicable
ASTM standards and shall be a minimum of _____ inches.
- Answer-3"
The bottom of each wastewater infiltration trench,
including the distribution pipe contained within shall be? -
Answer-As level as possible, with an elevation differential
not to exceed 2" throughout the trench run.
What is flexural strength? - Answer-A measure of the
ability of a material to withstand rupture when subject to
bend loading.
What is gel coating? - Answer-specially formulated
polyester resin, which is pigmented and contains filler
material, the purpose of which is to provide a smooth, pore
free, watertight surface for fiberglass reinforced plastic
parts.
Septage - Answer-Includes the liquid, solid, and semi-solid
materials which settle to the bottom of transport containers
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Minimum requirements for on-site wastewater system final
treatment and disposal system shall be at least _____feet
of undisturbed earth between wastewater infiltration
trenches. - Answer-7'
Permit is good for how long? - Answer-5 years
Define what Saprolite are? - Answer-Soft friable thru
decomposed rock that formed by chemical weathering and
devoid of expansive clay.
What is a receptor? - Answer-any water, or surface of
water of state including estuaries.
There shall be at least ___ feet of earth buffer between the
septic tank and all portions of adjacent wastewater
infiltration trenches. - Answer-2 Feet
What is the term for the condition that can occur in both
mottled and unmottled soils? - Answer-Gleying