Page 1 of 10
Virginia Erosion and Sediment Control Inspector
Exam ALL QUESTIONS AND CORRECT ANSWERS
LATEST UPDATE THIS YEAR
QUESTION: What are two damaging effects of rainfall impact? - ANSWER-Causes soil
compression which reduces infiltration
Mainly occurs in May-Sept which is when disturbance is most active
QUESTION: 4 factors influencing erosion - ANSWER-climate
groundcover (influenced by humans)
soil properties
topography (influenced by humans)
QUESTION: What percent reduction occurs from vegetative cover? - ANSWER-90-99%
QUESTION: What are soil properties? - ANSWER-Structure (particles adhere)
Texture (size)
Bulk density (how tightly packed)
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, Page 2 of 10
% organic matter
infiltration (into soil)
permeability (through soil)
QUESTION: What is K factor? - ANSWER-the susceptibility of a particular soil to erosion
developed by permeability, soil texture, soil structure, and organic matter content
low K factor is low erodibility (0-0.23), and high is (0.37 +)
QUESTION: What is a variance? - ANSWER-granted by the VESCP authority to waive or modify a
requirement if it is too restrictive
can request during plan submission or during construction. if no reply after 10 days, then
denied.
QUESTION: What is regulated land disturbing activity? - ANSWER-greater than or equal to
10,000 square ft
2
Virginia Erosion and Sediment Control Inspector
Exam ALL QUESTIONS AND CORRECT ANSWERS
LATEST UPDATE THIS YEAR
QUESTION: What are two damaging effects of rainfall impact? - ANSWER-Causes soil
compression which reduces infiltration
Mainly occurs in May-Sept which is when disturbance is most active
QUESTION: 4 factors influencing erosion - ANSWER-climate
groundcover (influenced by humans)
soil properties
topography (influenced by humans)
QUESTION: What percent reduction occurs from vegetative cover? - ANSWER-90-99%
QUESTION: What are soil properties? - ANSWER-Structure (particles adhere)
Texture (size)
Bulk density (how tightly packed)
1
, Page 2 of 10
% organic matter
infiltration (into soil)
permeability (through soil)
QUESTION: What is K factor? - ANSWER-the susceptibility of a particular soil to erosion
developed by permeability, soil texture, soil structure, and organic matter content
low K factor is low erodibility (0-0.23), and high is (0.37 +)
QUESTION: What is a variance? - ANSWER-granted by the VESCP authority to waive or modify a
requirement if it is too restrictive
can request during plan submission or during construction. if no reply after 10 days, then
denied.
QUESTION: What is regulated land disturbing activity? - ANSWER-greater than or equal to
10,000 square ft
2
