Exam 1: Stormwater Pollution Control Questions and Answers (Graded A)
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Course
Stormwater Pollution Control
Institution
Stormwater Pollution Control
Exam 1: Stormwater Pollution Control Questions and Answers (Graded A)Exam 1: Stormwater Pollution Control Questions and Answers (Graded A)Exam 1: Stormwater Pollution Control Questions and Answers (Graded A)Exam 1: Stormwater Pollution Control Questions and Answers (Graded A)vQuestion 1: What does ...
Exam 1: Stormwater Pollution Control
Questions and Answers (Graded A)
Question 1: What does MEP stand for and for what are they used? - ANSWER-
Maximum extent practicable pg 63
Question 2: What are the 6 steps in the guidelines on implementing appropriate control
measures to meet MEP? - ANSWER-1. Public education and outreach on stormwater
impacts
2. Public involvement and participation
3. An illicit discharge detection in elimination
4. Construction sites stormwater runoff control
5. Post construction stormwater management in new development and redevelopment
6. Pollution prevention and good housekeeping for municipal operations
Pg 64
Question 3: What are the five general categories of storm water control? - ANSWER-1.
Basins
2. Swales and Strips
3. Filters
4. Infiltrators
5. Gross pollutant traps
Basins - ANSWER-water is detained for purity of time; generally designed on volume,
provide peak flow attenuation in treatment "settling"
Swales and strips - ANSWER-convey stormwater and shallow gaps; it's designed to
open channel flow principles
, Bacteria - ANSWER-remove nitrate from lakes basins and Bioretention filters; may also
remove sulfur, and hydrocarbons, pesticides and many other pollutants
Algae - ANSWER-free floating and used and light poles: process nutrients: can clog the
filters and may need to be thinned out
It is best to incorporate post-construction storm management controls into new
development. Why? - ANSWER-It is easier to have the controls incorporated into the
original design than to retrofit.
Filters - ANSWER-stormwater flows through an engineered porous medium; designed
using darcy's law for flow through the porous media
Infiltrators - ANSWER-design volume is infiltrated into native soil to recharge an aquifer;
reduce runoff and remove pollutants; Jen lee designed using flow in saturated soils
Gross pollution traps - ANSWER-unit operation with large openings to remove large
solids such as litter, leaves, and plastics; usually manufactured and bought
Question 4: Coagulation is a unit process for quality control of storm water. What is
coagulation? - ANSWER-Coagulation is the agglomeration of small particles into larger
particles that will settle out of the water column (preferably by gravity).
Question 5: List three types of biological forms used as in unit processes for quality
control of storm water. - ANSWER-1. Aquatic plants
2. Terrestrial plants
3. Bacteria
4. Algae
Aquatic plants - ANSWER-vegetation and what basins and wetlands characteristic as
rooted emergent; routing flotation; rooted submerged; free floating
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