IFFC Certification Practice Test | Comprehensive Questions &
Detailed Rationales
Question 1
What state agency administers and oversees Virginia's Erosion and
Stormwater Management Act, regulations, and program reviews?
• A. Virginia Department of Transportation (VDOT)
• B. Virginia Department of Environmental Quality (DEQ)
• C. State Corporation Commission
• D. Department of Wildlife Resources
Correct Answer: B. Virginia Department of Environmental Quality (DEQ)
Detailed Rationale: The Virginia Department of Environmental Quality
(DEQ) holds statewide regulatory and oversight authority for the
administration and evaluation of local Erosion and Sediment Control
(ESC) and stormwater programs.
Question 2
Under Virginia ESC regulations, what is the standard statewide land-
disturbing activity threshold that triggers the requirement for an
approved ESC plan?
• A. 2,500 square feet
• B. 5,000 square feet
• C. 10,000 square feet
• D. 1 acre
,Correct Answer: C. 10,000 square feet
Detailed Rationale: The baseline statutory threshold triggering a formal
approved erosion and sediment control plan for general land-disturbing
activities in Virginia is 10,000 square feet.
Question 3
Within designated Chesapeake Bay Preservation Areas (CBPAs), what is
the land-disturbing area threshold that triggers an approved ESC plan?
• A. 2,500 square feet
• B. 5,000 square feet
• C. 10,000 square feet
• D. 1 acre
Correct Answer: A. 2,500 square feet
Detailed Rationale: Due to sensitive ecological conditions near coastal
and bay resources, land-disturbing activities within CBPAs are subject to
a stricter threshold of 2,500 square feet.
Question 4
What is the primary legal responsibility of a certified Responsible Land
Disturber (RLD) on a Virginia construction site?
• A. To design structural engineering stormwater retention vaults
• B. To ensure day-to-day compliance with the approved ESC plan
and state regulations on-site
• C. To prosecute criminal environmental violations in court
• D. To review municipal tax assessments
,Correct Answer: B. To ensure day-to-day compliance with the approved
ESC plan and state regulations on-site
Detailed Rationale: Applicable projects must designate a certified RLD
who is directly responsible for overseeing on-site implementation and
maintenance of erosion controls.
Question 5
What certification must an individual hold to legally review and approve
erosion and sediment control plans on behalf of a local program
authority in Virginia?
• A. Commercial driver's license
• B. DEQ Certified Plan Reviewer certification
• C. Real estate broker license
• D. Professional structural building contractor card
Correct Answer: B. DEQ Certified Plan Reviewer certification
Detailed Rationale: Plan reviewers must complete specialized training
and earn DEQ certification to evaluate construction plans for technical
adequacy and regulatory adherence before approval.
Question 6
How frequently does the Department of Environmental Quality conduct
formal periodic program reviews of local VESMP authorities?
• A. Every year
• B. Every 5 years
• C. Every 25 years
, • D. DEQ never reviews local programs.
Correct Answer: B. Every 5 years
Detailed Rationale: State regulations mandate that DEQ execute
periodic program reviews of local program authorities every five years
to ensure consistent enforcement and statutory compliance.
Question 7
Within how many days must permanent or temporary soil stabilization
be applied after final grade is reached on any portion of a site?
• A. Within 7 days
• B. Within 30 days
• C. Within 90 days
• D. Within 1 year
Correct Answer: A. Within 7 days
Detailed Rationale: Standard minimum requirements dictate that once
final grade is achieved on any section of a project, stabilization
measures must be applied within 7 days.
Question 8
If a denuded construction area is to remain dormant, within how many
days must temporary stabilization be applied if inactivity exceeds 14
days?
• A. Within 7 days
• B. Within 30 days
• C. Within 60 days
Detailed Rationales
Question 1
What state agency administers and oversees Virginia's Erosion and
Stormwater Management Act, regulations, and program reviews?
• A. Virginia Department of Transportation (VDOT)
• B. Virginia Department of Environmental Quality (DEQ)
• C. State Corporation Commission
• D. Department of Wildlife Resources
Correct Answer: B. Virginia Department of Environmental Quality (DEQ)
Detailed Rationale: The Virginia Department of Environmental Quality
(DEQ) holds statewide regulatory and oversight authority for the
administration and evaluation of local Erosion and Sediment Control
(ESC) and stormwater programs.
Question 2
Under Virginia ESC regulations, what is the standard statewide land-
disturbing activity threshold that triggers the requirement for an
approved ESC plan?
• A. 2,500 square feet
• B. 5,000 square feet
• C. 10,000 square feet
• D. 1 acre
,Correct Answer: C. 10,000 square feet
Detailed Rationale: The baseline statutory threshold triggering a formal
approved erosion and sediment control plan for general land-disturbing
activities in Virginia is 10,000 square feet.
Question 3
Within designated Chesapeake Bay Preservation Areas (CBPAs), what is
the land-disturbing area threshold that triggers an approved ESC plan?
• A. 2,500 square feet
• B. 5,000 square feet
• C. 10,000 square feet
• D. 1 acre
Correct Answer: A. 2,500 square feet
Detailed Rationale: Due to sensitive ecological conditions near coastal
and bay resources, land-disturbing activities within CBPAs are subject to
a stricter threshold of 2,500 square feet.
Question 4
What is the primary legal responsibility of a certified Responsible Land
Disturber (RLD) on a Virginia construction site?
• A. To design structural engineering stormwater retention vaults
• B. To ensure day-to-day compliance with the approved ESC plan
and state regulations on-site
• C. To prosecute criminal environmental violations in court
• D. To review municipal tax assessments
,Correct Answer: B. To ensure day-to-day compliance with the approved
ESC plan and state regulations on-site
Detailed Rationale: Applicable projects must designate a certified RLD
who is directly responsible for overseeing on-site implementation and
maintenance of erosion controls.
Question 5
What certification must an individual hold to legally review and approve
erosion and sediment control plans on behalf of a local program
authority in Virginia?
• A. Commercial driver's license
• B. DEQ Certified Plan Reviewer certification
• C. Real estate broker license
• D. Professional structural building contractor card
Correct Answer: B. DEQ Certified Plan Reviewer certification
Detailed Rationale: Plan reviewers must complete specialized training
and earn DEQ certification to evaluate construction plans for technical
adequacy and regulatory adherence before approval.
Question 6
How frequently does the Department of Environmental Quality conduct
formal periodic program reviews of local VESMP authorities?
• A. Every year
• B. Every 5 years
• C. Every 25 years
, • D. DEQ never reviews local programs.
Correct Answer: B. Every 5 years
Detailed Rationale: State regulations mandate that DEQ execute
periodic program reviews of local program authorities every five years
to ensure consistent enforcement and statutory compliance.
Question 7
Within how many days must permanent or temporary soil stabilization
be applied after final grade is reached on any portion of a site?
• A. Within 7 days
• B. Within 30 days
• C. Within 90 days
• D. Within 1 year
Correct Answer: A. Within 7 days
Detailed Rationale: Standard minimum requirements dictate that once
final grade is achieved on any section of a project, stabilization
measures must be applied within 7 days.
Question 8
If a denuded construction area is to remain dormant, within how many
days must temporary stabilization be applied if inactivity exceeds 14
days?
• A. Within 7 days
• B. Within 30 days
• C. Within 60 days