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CESSWI II Exam – Questions And Correct Answers
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CESSWI II Exam – Questions And Correct Answers
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CESSWI II Exam – Questions And Correct AnswersWhat are targeted pollutants of temporary stabilization? ✔️Ans -
Sediment, hydrocarbons, metals, hazardous/toxic waste
What is tree protection? ✔️Ans - A temporary or permanent structural
BMP that minimizes the potential of removing or injuring those trees
What are baffles? ✔️Ans - Structural BMPs designed to lengthen the flow
path of basins/traps/ponds as well as slowing, calming, and distributing the
flow in these devices, thus allowing pollutants more time to fall out of
suspension
True or False: Baffles may be solid (wood, silt fence, earth, etc.) or porous
(jute, coir, wind fence folded in half, etc.) ✔️Ans - True
True or False: Baffles are unable to trap trash, oil, and debris in basins.
✔️Ans - False; Baffles MAY trap trash, oil, and debris in basins.
What are cut-back curbs? ✔️Ans - Cut-back curbs are temporary,
structural BMPs that create a place for water to pond at the back of the curb,
while still allowing full access to the site.
True or False: Cut-back curbs are designed to handle large amounts of water.
✔️Ans - False; Cut-back curbs are NOT designed to handle large amounts of
water.
What are fiber rolls/wattles? ✔️Ans - Fiber rolls/wattles are temporary,
structural BMPs consisting of straw, coconut husk, rice straw, mulch, compost,
or a similar material packed and placed into rolls that are designed to capture
sediment and reduce flow velocity.
What are the objectives of constructing a fiber roll/wattle? ✔️Ans -
Sediment control, runoff control, erosion control
Which targeted pollutants are managed by fiber rolls/wattles? ✔️Ans -
Sediment, hydrocarbons/petroleum products
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