CST EXAM PREP QUESTIONS ANSWERS STUDY GUIDE VERIFIED SOLUTION
Question:
New OSSF licenses are issued for a term of ______. An individual must complete _______ of
TCEQ-approved continuing education courses in order to renew license.
Answer:
3 years, 24 hours
Question:
What is needed to pre-qualify for an exam?
Answer:
submitting an application and notarized experience statements, paying class and application fees,
and successfully completing the appropriate training course
Question:
Individuals working as a __________ or in any capacity for an OSSF ___________ cannot work as
an Installer, Designer for a fee, or private Site Evaluator within the jurisdiction of the permitting
authority.
Answer:
Designated representative (DR), permitting authority
Question:
List the OSSF licenses that require previous experience.
Answer:
installer II, Site evaluator (SE), and Maintenance Provider (MP)
,Question:
An individual who visits a site and conducts soil evaluations and a site survey is a(n) __________.
Answer:
site evaulator
Question:
An individual who holds a valid license from the TCEQ and who is compensated by another
individual to construct, install, alter, or repair an OSSF is a(n) _________.
Answer:
installer
Question:
The _______ is responsible for reviewing permit applications, site evaluations, planning materials,
and conducting inspections of OSSFs.
Answer:
DR (designated representative)
Question:
_______ adopted the current OSSF Rules in 1997 and revised them several times.
Answer:
TCEQ
Question:
Class II soils include the USDA classes of _________ and __________.
Answer:
sandy loam, loam
,Question:
The _________ is a tool to graphically delineate soil textural classes.
Answer:
USDA soil textural triangle
Question:
List the two unsuitable types of soil structure or structural condition.
Answer:
Platy (like a stack of plates) Massive ( can't break it up, huge pieces)
Question:
A soil color pattern of orange and brown on a background of gray or bluish color is called.
Answer:
mottling
Question:
The ideal soil environment for organic effluent decomposition is one of good ______ and ________.
Answer:
soil air, soil water balance
Question:
Soil associations are _______ units which encompass broad areas with similar patterns of
__________, __________, __________, and _________.
Answer:
soil. soil profiles, vegetation, relief, and drainage
Question:
, The county ____________________ is an essential tool for conducting a site evaluation but does
not take the place of the on-site field soil evaluation.
Answer:
soil survey
Question:
Sites with greater than ____ percent slope are unsuitable.
Answer:
30
Question:
A minimum lot size of _______ acre is required for subdivisions serviced by _________ water. The
minimum size is ______ acre for those serviced by ___________.
Answer:
0.5, public, 1, private well
Question:
Soil evaluation pits shall be excavated to a depth of _____ inches below the proposed _________ or
to a _________ horizon, whichever is shallower.
Answer:
24, drainfield, restrictive
Question:
Any soil profile with an indication of high-water table within _____ inches below the proposed
drainfield shall be considered _____________ for a standard drainfield.
Answer:
24, unsuitable
Question:
New OSSF licenses are issued for a term of ______. An individual must complete _______ of
TCEQ-approved continuing education courses in order to renew license.
Answer:
3 years, 24 hours
Question:
What is needed to pre-qualify for an exam?
Answer:
submitting an application and notarized experience statements, paying class and application fees,
and successfully completing the appropriate training course
Question:
Individuals working as a __________ or in any capacity for an OSSF ___________ cannot work as
an Installer, Designer for a fee, or private Site Evaluator within the jurisdiction of the permitting
authority.
Answer:
Designated representative (DR), permitting authority
Question:
List the OSSF licenses that require previous experience.
Answer:
installer II, Site evaluator (SE), and Maintenance Provider (MP)
,Question:
An individual who visits a site and conducts soil evaluations and a site survey is a(n) __________.
Answer:
site evaulator
Question:
An individual who holds a valid license from the TCEQ and who is compensated by another
individual to construct, install, alter, or repair an OSSF is a(n) _________.
Answer:
installer
Question:
The _______ is responsible for reviewing permit applications, site evaluations, planning materials,
and conducting inspections of OSSFs.
Answer:
DR (designated representative)
Question:
_______ adopted the current OSSF Rules in 1997 and revised them several times.
Answer:
TCEQ
Question:
Class II soils include the USDA classes of _________ and __________.
Answer:
sandy loam, loam
,Question:
The _________ is a tool to graphically delineate soil textural classes.
Answer:
USDA soil textural triangle
Question:
List the two unsuitable types of soil structure or structural condition.
Answer:
Platy (like a stack of plates) Massive ( can't break it up, huge pieces)
Question:
A soil color pattern of orange and brown on a background of gray or bluish color is called.
Answer:
mottling
Question:
The ideal soil environment for organic effluent decomposition is one of good ______ and ________.
Answer:
soil air, soil water balance
Question:
Soil associations are _______ units which encompass broad areas with similar patterns of
__________, __________, __________, and _________.
Answer:
soil. soil profiles, vegetation, relief, and drainage
Question:
, The county ____________________ is an essential tool for conducting a site evaluation but does
not take the place of the on-site field soil evaluation.
Answer:
soil survey
Question:
Sites with greater than ____ percent slope are unsuitable.
Answer:
30
Question:
A minimum lot size of _______ acre is required for subdivisions serviced by _________ water. The
minimum size is ______ acre for those serviced by ___________.
Answer:
0.5, public, 1, private well
Question:
Soil evaluation pits shall be excavated to a depth of _____ inches below the proposed _________ or
to a _________ horizon, whichever is shallower.
Answer:
24, drainfield, restrictive
Question:
Any soil profile with an indication of high-water table within _____ inches below the proposed
drainfield shall be considered _____________ for a standard drainfield.
Answer:
24, unsuitable
