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CPESC Exam 2024 New Latest Recent Version with All Questions from Actual Past Exam, Exams of Construction

CPESC Exam 2024 New Latest Recent Version with All Questions from Actual Past Exam and 100% Correct Answers

Typology: Exams

2023/2024

Available from 04/23/2024

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CPESC Exam 2 024 New Latest Recent Version with

All Questions from Actual Past Exam and 100%

Correct Answers

What would have to be updated as construction progressed on the SWPPP? ---------- Correct Answer ---------- Installation and removal dates, changes in plan designs, and changes in BMPs When are outlet protectors used? Examples? ---------- Correct Answer ---------- To control runoff; wattles, check dams (energy dissipaters) or thick/matted veg, riprap (ground cover) What is the RUSLE equation? ---------- Correct Answer ---------- A = R K L S C P What are the units for A in RUSLE? ---------- Correct Answer ---------- Ton/ha/year What kind of erosion does RUSLE cover? ---------- Correct Answer ---------- Sheet and rill erosion only Define soil erodibility ---------- Correct Answer ---------- The ease with which soil is detached by splash during rainfall Why is sediment yield different from erosion rate? ---------- Correct Answer ---------- Sediment yield is the amount of eroded soil that is delivered to a certain point whereas erosion rate is the rate of soil wearing away from an area What is the formula for MUSLE? ---------- Correct Answer ---------- T=11.8(V.Qp)^0.56 K LS C P What is V and Qp in MUSLE? ---------- Correct Answer ---------- V = volume of storm runoff in mm Qp = Peak flow for storm in m3/s How many; mm in 1 m? m in 1 km? m2 in 1 ha? kg in 1 tonne? ---------- Correct Answer ---------- 1,000 mm in 1m 1,000 m in 1 km 10,000 m2 in 1 ha 1,000 kg in 1 tonne What are the types of wind erosion? ---------- Correct Answer ---------- Surface creep; heavy particles rolling around surface

Saltation; particles lifted into air and quickly fall (most common...think dust behind vehicle) Suspension; particles lifted into air and transported away What factors affect soil loss from wind erosion? ---------- Correct Answer ---------- Compaction, soil moisture, cover, wind speed What are some ways to form a less erodible surface from wind? ---------- Correct Answer ---------- Increase soil moisture (water trucks), chemical binders, and vegetation (best one) How can you reduce surface wind speed? ---------- Correct Answer ---------- Surface cover (vegetation, plastic), orientation of surface (stockpiles perpendicular to wind), windscreen (hedge rows) Define hydrology ---------- Correct Answer ---------- The study of the movement, distribution and quality of surface water What is shallow concentration flow? ---------- Correct Answer ---------- When waterflow begins to form rills What are two components of surface runoff you need to predict to design management for ES? ---------- Correct Answer ---------- Runoff volume Peak rate of discharge How are hydrological soil groups listed? ---------- Correct Answer ---------- ABCD from most permeable to least permeable (gravel/sand to clay) What are the two time parameters for determining lengths of time of flow? ---------- Correct Answer ---------- Time of Concentration (Tc): time it takes runoff to travel from most distant point to design point Travel Time (Tt): time it takes runoff to travel from one location to another in a watershed What is initial abstracation? ---------- Correct Answer ---------- Sum of losses before runoff begins such as interception, evaporation, and infiltration What are the 5 factors that influence erosion? ---------- Correct Answer ---------- Soil erodibility, topography, vegetative cover, season, climate (rainfall) What influences soil erodibility? ---------- Correct Answer ---------- Soil texture, structure and % of OM

How does vegetative cover influence erodibility? ---------- Correct Answer ---------- Top growth reduces raindrop impact, filters sediment and slows down runoff velocity; roots hold mass particles together How can you decrease erodibility in relation to topography? ---------- Correct Answer ----- ----- Increase slope roughness What climate characteristics affect erodibility? ---------- Correct Answer ---------- Rainfall intensity, duration and frequency Why does frequent rainfall increase erodibility? ---------- Correct Answer ---------- The soil becomes saturated and no more water can infiltrate which increases runoff volume Why is erosion potential high in the spring if it rains? ---------- Correct Answer ---------- Water can't infiltrate the frozen subsoil which increases runoff volume What are some ways urban development impacts erosion hazards? ---------- Correct Answer ---------- Changes hydrology (GW flow, drainage), disturbs large amounts of soil, removes plant cover BMP considerations for clearing and grubbing? ---------- Correct Answer ---------- Preserve existing vegetation; clear only what is required for immediate construction activity BMP considerations for mass grading? ---------- Correct Answer ---------- Create principle basins, traps, barriers, diversions and channels; temporary stabilization; manage concentrated runon and runoff (water bars) BMP considerations for site access & off-hauling? ---------- Correct Answer ---------- Stabilize with gravel and temporary vegetation; limit ingress and egress points What are the 3 stages of inlet construction? ---------- Correct Answer ---------- Pipe installation, inlet construction, inlet backfill BMP considerations of channel construction? ---------- Correct Answer ---------- Monitor weather, install grade controls, stabilize streambanks early; consider time of year (weather) to start construction (phasing) BMP considerations of final stabilization? ---------- Correct Answer ---------- Immediately apply temp or permanent stabilization of disturbed areas; don't allow surface area to dry out for a few days before seeding (affects germination) BMP considerations of vertical construction? ---------- Correct Answer ---------- Protect inlets; modify plan to show new conditions and updated measures When velocity of water increases by 2x, what happens to:

  1. Erosive energy
  2. Particle size
  3. Soil mass being carried ---------- Correct Answer ---------- 1) Increases by 4
  4. Increases by 64
  5. Increases by 32 What are some ways to divert runoff? ---------- Correct Answer ---------- Dikes, swales, water bars, check dams, ditches/channels What are the two main ways to convey runoff? ---------- Correct Answer ---------- Through waterways and enclosed drainage What are some ways to manage water with open runoff conveyance? ---------- Correct Answer ---------- Grassed waterways, rock lined waterways, concrete paved channel, geotextiles (linings), rip rap What are some enclosed drainage ways to convey runoff and intercept ground water? -- -------- Correct Answer ---------- Pipe slope drains (need to direct water in them), sumps, subsurface drains (slotted PVC) What are some ways to stabilize runoff outlets? ---------- Correct Answer ---------- Rip rap, paved flume, level spreader, linings, concrete slope paving What are some examples of scour protection? ---------- Correct Answer ---------- Plunge pools, rip rap, paved outlets, levelers What are some examples of non-vegetative cover? ---------- Correct Answer ---------- Mulching, riprap, soil stabilizers What are some biotechnical ways to strengthen subsurface? ---------- Correct Answer --- ------- Wattling, fiber roll, live cribwall, branch packing, willow staking Formula for % of pure live seed? ---------- Correct Answer ---------- % of germination x % purity Formula for fertilizer amendments? ---------- Correct Answer ---------- Kg of pure live seed = %nutrient/100 x (kg. mix) What is the best stabilization technique you can have? ---------- Correct Answer ---------- Preserving existing vegetation What does the acronym NPDES stand for? --------- Correct Answer ----------- National Pollutant Discharge Elimination System

True / False: The NPDES requirements apply only to discharges of storm-water either directly or through a municipal separate storm drain system, to waters of the US. --------- Correct Answer ----------- 2.1.1. True What does the acronym TMDL stand for? Define it? --------- Correct Answer ----------- 2.1.1. Total Maximum Daily Load. The amount of a particular pollutant that a water body can assimilate on a daily basis without violating applicable water quality standards. Define TMDL --------- Correct Answer ----------- 2.1.1. The TMDL defines the amount of a particular pollutant that a water body can assimilate on a daily basis without violating applicable water quality standards. (Water quality standards usually predetermined by the state.) What are the two types of storm-water permits issued under the NPDES Program? ------ --- Correct Answer ----------- 2.2.

  1. The Construction General Permit (CGP).
  2. The individual permit designed to fit the specific requirements of a particular applicant, facility, or activity. If deficiencies are found during a SWPPP inspection, how quickly do they need to be corrected? --------- Correct Answer ----------- No later than seven days after the inspection. List three types of pollutants. --------- Correct Answer ----------- 2. Nutrients,pathogens, heavy metals, toxics, sediment, salts, detergents, hydro- carbons,oxygen absorbing substances. List three examples of 'Waters of the United States'. --------- Correct Answer ----------- 2.1.1. Lakes,rivers, streams, mudflats, sand flats, wetlands, sloughs, prairie potholes, wet meadows, playa lakes, natural ponds. When does the SWPPP need to be completed? --------- Correct Answer ----------- 2.3.6. Prior to submitting the NOI. When does the EPA's construction permit require inspections? --------- Correct Answer - ---------- Every 7 days, or within 24 hrs of a storm of 0.5 inches or move in depth. What does CPESC stand for? --------- Correct Answer ----------- Certified Professional in Erosion & Sediment Control What are the two types of Storm Water Permits? --------- Correct Answer ----------- 2.2.
  3. General: provides umbrella coverage to a large number of applicants.
  1. Individual: designed to fit the specific requirements of a particular applicant, facility, or activity. True/False: A site initially disturbing 1/2 acre, that is part of a 3.5 acre future development is not required to obtain a permit for the 1/2 acre. --------- Correct Answer - ---------- 2.1.1. False, If it as part of a larger plan of development >1 acre, a permit is required. Name 3 of the 5 types of Phase I facilities under section 402 of the CWA as of 1987. ---- ----- Correct Answer ----------- 2.1.1.
  • Facilities already covered by a permit
  • Facilities that engage in industrial activity
  • Large (>250K pop) MS4s
  • Medium (100K250K) MS4s
  • Facilities that EPA admin deems "significant contributors" of pollutants to WOTUS Who is responsible for applying for the Storm water permit for a construction site? ------- -- Correct Answer ----------- 2.3. The operator of the site, however a owner can apply if the operator has not been identified. What is an NOI? --------- Correct Answer ----------- 2.2. "Notice of Intent" to be covered by a general permit in the state in which the facility is located. List the 6 major phases of a SWPPP for construction activities? --------- Correct Answer ----------- 2.3.
  • Site Evaluation/design development (site plan)
  • Assessment (site area/runoff calc)
  • Control selection and plan design (BMPs)
  • Certification/notification (NOI)
  • Construction/implementation (install/maintenance)
  • Final stabilization/termination (NOT) What score do you need to pass each section of the test? --------- Correct Answer -------- --- 70% What is the deadline to stabilize a site that wont be redisturbed? --------- Correct Answer ----------- 2.3.6. 14 days What is the deadline to correct problems found during an inspection? --------- Correct Answer ----------- 2.3.6. As soon as possible but no later than 7 days.

How long do you have to keep copies of the swppp after final stabilization? --------- Correct Answer ----------- 2.3.6.5 (second to last paragraph) 3 years What are the 3 types of enforcement actions EPA has? --------- Correct Answer ----------- 2.3.

  • Administrative Orders
  • Civil Actions
  • Criminal Prosecutions The Federal Water Pollution Control Act was established which year? --------- Correct Answer ----------- 1948 When was the Federal Water Pollution Control Act amended? What is it called now? ---- ----- Correct Answer ----------- 2.1. 1972 and 1977. Now called the Clean Water Act Which year was the National Pollutant Discharge Elimination System established? ------- -- Correct Answer ----------- 2.1.1. 1972 What is an MS4? --------- Correct Answer ----------- Municipal Separate Storm Sewer System Stormwater is defined under EPA's NPDES rules as... --------- Correct Answer ----------
  • 2.1.1. Stormwater runoff, snow melt runoff, and surface runoff and drainage. Who is allowed to certify the SWPPP? --------- Correct Answer ----------- The authorized representative of the site operator, such as the president, vice president, or a general partner who has been delegated authority to sign and certify this type of document. Whatare the Fundamentals of the Code of Ethics and Professional Conduct? --------- Correct Answer ----------- * Integrity
  • Objectivity
  • Confidentiality
  • Competence
  • Professionalism Who oversees Stormwater Regulations? --------- Correct Answer ----------- EPA (US Environmental Protection Agency) When was the Stormwater Application Rule issued? --------- Correct Answer ----------- November 16th, 1990

When was the Stormwater Implementation Rule enacted and what did it entail? --------- Correct Answer ----------- April 1992; minimum requirements for storm water permit terms and conditions What does the Phase II discharger's include and when were they established? --------- Correct Answer ----------- Phase II stormwater dischargers generally include "light" industrial facilities, small construction sites (< 5 acres), and small municipalities (<100,000 population) August 1995 When was the Multi Sector Model General Permit issued? --------- Correct Answer ------- ---- September 1995 Who administrates the 404 Permit? --------- Correct Answer ----------- US Army Corps of Engineers Under the code of ethics, what are the obligations to the Public? --------- Correct Answer ----------- Follow the Law Serve the public interest Be involved incivic activities Educate the Public Under the code of ethics, what are the general obligations? --------- Correct Answer ------ ----- Improve your professional technical knowledge Raise the standards of functional excellence Uphold Human Rights Promote and Contribute Under the code of ethics, what are the Obligations to the Client? --------- Correct Answer ----------- Serve the client in a timely, lawful, and competent manner Contract should embody clarity and be functional Avoid conflict and fully disclose all conflicts Be honest and inform the client Maintain your integrity Under the code of ethics, what are the obligations to the Profession? --------- Correct Answer ----------- Up hold Morality of profit and prevent conflict of interest Promote Dignity and integrity Ensure that representatives andemployees conform to the ECI Under the code of ethics, what are the obligations to ones peers and Colleagues? ------- -- Correct Answer ----------- Provide good working environment Compensate them fairly

Facilitate theirDevelopment Mentor/nurture Professionals/Individuals Build on merit Give credit where credit is due Be Honest What was the purpose of the Coastal Zone Act Re-authorization Amendments of 1990 (CZARA), and what did it require? --------- Correct Answer ----------- It required the development of a Coastal Nonpoint Pollution Control Program Management Plan for every designated state under coastal zone jurisdiction. The purpose of each plan is to address the nonpoint source pollution concerns for coastal zone areas. Who should obtain the permit? --------- Correct Answer ----------- 2.3. The EPA recommends that the permits for construction activity are obtained by the general contractor in charge of day-to-day supervision of site operations, specifically those that include ground disturbing activity. TRUE/FALSE: The NOI can be filed before the SWPPP is complete. --------- Correct Answer ----------- 2.3. False. The applications for construction storm-water permits must be filed at least 7 calendar days before beginning of construction activity. The SWPPP must be prepared before the NOI is filed. What are the four required activities in the first phase of preparing a SWPPP? --------- Correct Answer ----------- 2.3.6.

  1. collecting site information
  2. developing a site plan design
  3. describing construction activity
  4. preparing a pollution prevention site map. At how many disturbed acres does a temporary or permanent sediment basin be installed? --------- Correct Answer ----------- 2.3.6. more than 10 acres A sediment basin must provide how many cubic feet of storage for every acre of land it drains? --------- Correct Answer ----------- 2.3.6. at least 3,600 ft^ The first phase in preparing a SWPPP for construction activities is to identify the characteristics of the construction site and the type of construction that will be occurring at the site. This phase consists of four required activities. What are they? --------- Correct Answer ----------- 2.3.6. Collecting site information, developing site plan design, describing construction activity, and preparing a pollution prevention site map.

True or False. The EPA has authority to criminally prosecute corporations as well as individuals for violating the CWA? --------- Correct Answer ----------- 2.3.7. True Beneficial use of surface water is defined as? --------- Correct Answer ----------- The use of water necessary for the survival of well being of man, plants and wildlife True/False: Criminal penalties may proceed against corporations as well as individuals. --------- Correct Answer ----------- 2.3.7. Truth, Scary. True/False: The CPESC Principles Review Manual and Presentation covers everything that might be on the test. --------- Correct Answer ----------- 1. False. The CPESC General Principles Review Manual and Presentation is a review and is not intended to serve as detailed in-depth training. Name 4 certifications that EnviroCert offers. --------- Correct Answer ----------- 1.

  1. CPESC - Certified Professional in Erosion and Sediment Control
  2. CESSWI - Certified Erosion Sediment and StormWater Inspector
  3. CPSWQ - Certified Professional in StormWater Quality
  4. CPMSM - Certified Professional in Municipal Stormwater Management What type of waters as described in the definition of "waters of the United States" most pertains to Nevada? --------- Correct Answer ----------- 2.1.1. Intermittent Streams "All other waters such as intrastate lakes rivers streams (including intermittent streams) mudflats sand flats "wetlands" sloughs prairie potholes wet meadows playa lakes or natural ponds the use degradation or destruction of which would affect interstate or foreign commerce including any such waters:..." Would a municipality that has a population of 2516 require a storm water permit? --------- Correct Answer ----------- 2.1.1. Yes What are the two types of stormwater permits issued under the NPDES Program? ------- -- Correct Answer ----------- General Permit & Individual Permit If you live in a state that is not authorized to administer the NDPES program, who must you go to for a stormwater permit? --------- Correct Answer ----------- 2.2. The appropriate regional office of the EPA. If a state has general permitting authority under the NPDES program are they required to issue general permits? --------- Correct Answer ----------- 2.2. No

Water quality standards must do the following 3 things? --------- Correct Answer ----------- 2.1.1.

  • Include provisions for restoring and maintaining the chemical, physical, & biological integrity of state waters.
  • Achieve a level of water quality that provides for the protection and propagation of fish, shellfish, and wildlife, and recreation in an on the water.
  • Consider the use and value of state waters for public water supplies, propagation of fish/wildlife, recreation, agriculture, industrial purposes, and navigation. What is Section 303(d) of the Clean Water Act establish? --------- Correct Answer --------- -- 2.1.1. Total Maximum Daily Loads (TMDL) a process to guide the application of state water quality standards. The EPA offers three general permits: --------- Correct Answer ----------- 2.2.1.
  1. Baseline general permit for industrial activities.
  2. Baseline general permit for construction activities.
  3. Multi-sector general permit for industrial activities. Information to include in the SWPPP regarding the existing site conditions? (4) --------- Correct Answer ----------- 2.3.6.
  • Existing soil information.
  • Existing data concerning the runoff quality at the construction site.
  • Location & extent of surface waters (including wetlands) adjacent or included within the construction site.
  • Name & location of the receiving water for runoff from the construction site. When developing the site plan design, what following approaches should be considered when reducing stormwater pollution? (3) --------- Correct Answer ----------- 2.3.6.
  • Disturb the smallest area possible.
  • Avoid disturbing sensitive areas such as steep or unstable slopes, surface waters, areas with soils susceptible to erosion, or existing drainage channels.
  • Identify areas to be preserved or left alone. The process in which, by the actions of wind or water, soil particles are detached and transported. ----------- Correct Answer ----------- Erosion Eroded material suspended in wind or water. ----------- Correct Answer ----------- Sediment The deposition of eroded material. ----------- Correct Answer ----------- Sedimentation What bears the impact of quantity and quality degradation from erosion? ----------- Correct Answer ----------- Receiving Waters

Raindrop impact energy is enough to dislodge surface sediment. ----------- Correct Answer ----------- Splash Erosion Rain splash detaching soil particles lifting them up and removing them by shallow "sheets" of water flowing down the sloped soil surface. ----------- Correct Answer ----------

  • Sheet Erosion As flow concentrates, small channels begin to form in the soil surface. ----------- Correct Answer ----------- Rill Erosion Runoff cuts rills deeper and wider or several rills join to form a large channel. ----------- Correct Answer ----------- Gully Erosion Channels become unstable due to increased flows or changes in upstream sediment load. ----------- Correct Answer ----------- Channel Erosion Can happen when erosion left unattended. ----------- Correct Answer ----------- Slope Failure Erosion due to the influence of climatic forces on the surface of the earth. ----------- Correct Answer ----------- Natural Erosion Natural Erosion + Human Activities ----------- Correct Answer ----------- Accelerated Erosion
  1. Unrestricted development
  2. Removal of surface cover
  3. Increased Imperviousness
  4. Poor stewardship ----------- Correct Answer ----------- What can accelerate erosion?
  5. problems for downslope property owners
  6. problems on adjacent streets
  7. clog streams and storm drains
  8. cause turbidity blumes in downstream water bodies
  9. cumulative toll on the environment can be devastating ----------- Correct Answer ------- ---- Construction related erosion can cause what problems? Nutrients, pesticides, bacteria, toxic substances, etc. transported with eroded sediment Uncontrolled construction site sediment loads exceed hundreds of tons per acre per year ----------- Correct Answer ----------- Pollutant exports during construction
  10. Destruction of spawning areas, food sources, habitat
  11. Direct toxicity to wildlife
  12. Lake degradation
  13. Filling of channels
  1. Commercial fishery impacts
  2. Reduced water storage capacity ----------- Correct Answer ----------- Damages to streams caused by erosion To restore and maintain the beneficial uses of out Nation's waters. ----------- Correct Answer ----------- Stormwater Regulations purpose? EPA ----------- Correct Answer ----------- Who has ultimate regulatory authority?
  • Federal regulation
  • Purpose - > restore and maintain the chemical, physical, and biological integrity of our nations waters
  • Goal - > eliminate pollutants to Nations water
    • restore Nations waters to their designated use ----------- Correct Answer ----------- Clean Water Act Water Quality Certification required for any applicant for a federal permit to conduct an activity which may result in the discharge of any pollutant Certification granted by state ----------- Correct Answer ----------- CWA Section 401 NPDES (National Pollutant Discharge Elimination System)

  • agriculture, silviculture, and oil & gas exampt ----------- Correct Answer ----------- CWA Section 402 Regulated discharge of dredged or fill material into the waters of the US Administered by Army Corp ----------- Correct Answer ----------- CWA Section 404 Coastal Zone Act Reauthorization Amendments ----------- Correct Answer ----------- CZARA All waters (including tribs) and wetlands used for interstate or commerce ----------- Correct Answer ----------- Waters of the US CWA section stating states must adopt water quality standards ---> define designated uses and TMDLs ----------- Correct Answer ----------- CWA Section 303 Amount of a particular pollutant that a water can absorb on a daily basis without violating WQ standards ----------- Correct Answer ----------- TMDL Portion of TMDL is allocated to each source of pollutant within a particular watershed --- -------- Correct Answer ----------- Waste Load Allocation
  • ES controls
  • stabilize slopes
  • manage dewater activities
  • implement pollution prevention measures
  • prohibit certain details
  • utilize surface outlets for discharges from basins and impoundments ----------- Correct Answer ----------- Effluent Limitations Guidelines (ELGs) Requirements
  • Administrative Orders
  • Civil Actions
  • Criminal ProsecutionsMa ----------- Correct Answer ----------- Types of EPA Enforcements $37,500 ----------- Correct Answer ----------- Max Civil Penalty $250,000-$1,000,000 ----------- Correct Answer ----------- Criminal Penalty
  • Industrial, Construction, or Multi-sector Activities
  • Requires a SWPP and NOI ----------- Correct Answer ----------- General NPDES
  • Specific activity at specific location
  • Required NOI ----------- Correct Answer ----------- Individual NPDES
  • Rainfall Characteristics
  • Soil Erodibility
  • Topography
  • Vegetative Cover
  • Season
  • Climate ----------- Correct Answer ----------- Factors effecting erosion
  • Site evaluation
  • practice and plan development
  • specification
  • certification and notification
  • construction and plan implementation ----------- Correct Answer ----------- What does a SWPP include The rate of wearing away of natural (earth) and unnatural (embankment, slope protection, structures, etc.) surfaces by the action of external forces. ----------- Correct Answer ----------- Erosion Rate Erosion rate includes all erosion from sheet, rill, gully, channel, and slope failure ----------
  • Correct Answer ----------- What does erosion rate include? The amount of sediment reaching or passing a point of interest in a given period of time. ----------- Correct Answer ----------- Sediment Yield

Sediment yield includes all erosion minus sediment that is deposited before it reaches the point of interest ----------- Correct Answer ----------- What does sediment yield include? Sheet and rill erosion + other erosion ----------- Correct Answer ----------- Gross Erosion Revised Universal Soil Loss Equation ----------- Correct Answer ----------- What does RUSLE stand for

  • predicts longtime average annual soil loss ----------- Correct Answer ----------- What does the RULSE Equation predict Sheet and rill erosion only ----------- Correct Answer ----------- What does the RUSLE Equation predict soil loss from tons/acre/year ----------- Correct Answer ----------- RUSLE units A=RKLSCP ----------- Correct Answer ----------- RUSLE equation Soil loss (ton/acre/year) ----------- Correct Answer ----------- A (RUSLE) Rainfall runoff erosivity factor ----------- Correct Answer ----------- R (RUSLE) Soil Erodibily Factor ----------- Correct Answer ----------- K (RUSLE) Slope length factor ----------- Correct Answer ----------- L (RUSLE) Slope steepness factor ----------- Correct Answer ----------- S (RUSLE) Cover management factor ----------- Correct Answer ----------- C (RUSLE) Support practice factor ----------- Correct Answer ----------- P (RUSLE) Modified Universal Soil Loss Equation ----------- Correct Answer ----------- MUSLE T=95(VQp)^0.56KLSC*P ----------- Correct Answer ----------- MUSCLE Equation Sediment yield in tons for a storm event ----------- Correct Answer ----------- T (MUSLE) Volume of runoff for the storm event (CFS) ----------- Correct Answer ----------- V (MUSLE) Peak flow for the storm event (CFS) ----------- Correct Answer ----------- Q (MUSLE) Use when calculating SOIL YIELD for a specific rainfall event at a specific location ------- ---- Correct Answer ----------- When to use the MUSLE equation

The process in which, by actions of the wind, a soil particle is detached and removed from its location ----------- Correct Answer ----------- Wind Erosion

  • Surface creep
  • Saltation
  • Suspension ----------- Correct Answer ----------- Types of wind erosion Soil particles begin to roll along the surface ----------- Correct Answer ----------- Surface Creep Soil particles being to be lifted into the air but fall quickly back to the surface, bouncing and possible dislodging other particles ----------- Correct Answer ----------- Saltation Soil particles are lifted into the air and are blown by the wind to a location from their orgin ----------- Correct Answer ----------- Suspension
  • compaction
  • moisture
  • cover
  • wind speed ----------- Correct Answer ----------- Factors affecting soil loss from wind erosion
  • forming less erodible surface (increase soil moisture, chemical binders, vegetation)
  • Reducing surface wind speed (surface cover, orientation of surface, windscreen) -------- --- Correct Answer ----------- How to manage wind erosion The study of the movement, distribution, and the quality of surface runoff ----------- Correct Answer ----------- Hydrology
  • Precipitation
  • watershed area
  • soil permeability
  • ground cover
  • antecedent moisture
  • storage in watershed
  • time parameters ----------- Correct Answer ----------- Factors Affecting Runoff
  • diversion practices
  • slowing practices
  • infiltrating practices
  • armoring practices
  • pumping ----------- Correct Answer ----------- Managing Water Practices Expression of the surface runoff flowing through a given point with respect to time -------- --- Correct Answer ----------- Hydrograph

Time it takes runoff to travel from the hydraulically most distant point in a watershed to the design point ----------- Correct Answer ----------- Time of concentration Time it takes runoff to travel from one point to another point down slope along a hydraulic segment in a watershed ----------- Correct Answer ----------- Travel Time

  • Utilize pumped filtration systems to remove suspended sediment from turbid runoff.
  • incorporate the use of chemical treatment with flocculants (including chitosan and polycrylamides) ----------- Correct Answer --------- -- Active Treatment Systems
  • visual monitoring
  • influent and effluent monitoring
  • toxicity or chemical residual testing
  • qualified designers and operators ----------- Correct Answer ----------- AST Monitoring Requirements
  • DIvert runoff
  • Convey Runoff
  • Intercept Ground Water
  • Stabilize outlet ----------- Correct Answer ----------- Runoff Management
  • Soil roughening (scarifying soil, imprinting)
  • Temporary armoring
  • temp cover
  • temp vegetation
  • temp slope length reduction ----------- Correct Answer ----------- Temporary Surface Stabilization
  • perm vegetation
  • hard armoring
  • flexible armoring
  • soil roughening
  • bioengineering
  • perm slope length reduction ----------- Correct Answer ----------- Permanent Surface Stabilization =%germination * % purity ----------- Correct Answer ----------- %Pure live seed =lb mix (%germ/100) * (% pure/100) ----------- Correct Answer ----------- lb pure live seed nitrogen-phosphorus-potash ----------- Correct Answer ----------- Fertilizer = %nutrient/100 * lb mix ----------- Correct Answer ----------- lb. pure nutrient