1|Page
IICRC WRT & ASD EXAM PRACTICE
QUESTION BANK
## 2026-2027 ACADEMIC YEAR
# SECTION 1: SAFETY AND HEALTH
## Question 1
A restoration technician arrives at a water damage loss and notices standing water
in the basement. The homeowner reports the water came from a broken supply line
that has been shut off. Before beginning any work, what should be the technician's
FIRST priority?
A) Begin extracting water immediately to prevent further damage
B) Set up drying equipment to start the drying process
C) Assess the health and safety of workers and occupants
D) Document the existing damage with photographs
**Correct Answer: C**
**Rationale:** The IICRC S500 Standard emphasizes that the first concern of
restorers on any project is the health and safety of workers and occupants . Before
any restoration activities begin, the worksite must be evaluated for safety hazards
including electrical dangers, structural integrity, and slip/fall risks.
,2|Page
**Why the other options are incorrect:**
- **A:** Beginning extraction before conducting a safety assessment violates the
fundamental principle that safety precedes all other activities. This could expose
workers to electrical hazards or unstable structures.
- **B:** Setting up drying equipment without assessing safety could create
additional electrical hazards if water is present near electrical sources.
- **D:** While documentation is important, it should occur after basic safety
assessments have been completed and hazard controls are in place.
---
## Question 2
According to the Hierarchy of Controls, which control measure is considered the
LEAST effective in protecting workers from hazards?
A) Elimination
B) Substitution
C) Engineering Controls
D) Personal Protective Equipment (PPE)
**Correct Answer: D**
**Rationale:** The Hierarchy of Controls ranks PPE as the least effective control
measure because it relies on worker behavior and does not eliminate the hazard at
its source . While PPE is a critical last line of defense, it should be used only when
higher-level controls are not feasible or as a supplement to other controls.
,3|Page
**Why the other options are incorrect:**
- **A:** Elimination is the most effective control measure as it completely
removes the hazard from the workplace.
- **B:** Substitution is more effective than PPE because it replaces the hazardous
material or process with a less dangerous alternative.
- **C:** Engineering Controls are more effective than PPE as they isolate workers
from the hazard through physical means (ventilation, barriers, machine guards).
---
## Question 3
A sewage backup has occurred in a commercial building. At a MINIMUM, what
PPE should be worn by restoration workers entering the affected area?
A) N-95 respirator, rubber gloves, and safety glasses
B) Full face respirator, water-resistant suit, and waterproof gloves and boots
C) Half-face respirator, Tyvek suit, and work gloves
D) No respiratory protection needed if the area is well-ventilated
**Correct Answer: B**
**Rationale:** When cleaning up sewer-damaged projects (Category 3 water), the
minimum PPE includes full face respiratory protection, a water-resistant suit, and
waterproof gloves and boots . Sewage contains pathogenic organisms and requires
robust protection against splash, aerosol, and inhalation hazards.
, 4|Page
**Why the other options are incorrect:**
- **A:** An N-95 respirator provides insufficient protection against the biological
aerosols present in sewage. Rubber gloves and safety glasses do not provide
adequate full-body protection.
- **C:** Work gloves do not provide adequate protection against biological
contamination; a Tyvek suit may not be fully waterproof for sewage exposure.
- **D:** Ventilation alone does not eliminate the need for respiratory protection;
airborne pathogens can still be present and require appropriate respiratory PPE.
---
## Question 4
Name two hazardous materials that are more likely to be found in older buildings
that restorers may encounter during water damage restoration.
A) Fiberglass and PVC
B) Lead and asbestos
C) Formaldehyde and VOCs
D) Radon and methane
**Correct Answer: B**
**Rationale:** Lead and asbestos are hazardous materials commonly found in
older buildings . Lead may be present in paint (pre-1978) and plumbing
components, while asbestos can be found in insulation, flooring, ceiling tiles, and
other building materials from structures built before the 1980s.
IICRC WRT & ASD EXAM PRACTICE
QUESTION BANK
## 2026-2027 ACADEMIC YEAR
# SECTION 1: SAFETY AND HEALTH
## Question 1
A restoration technician arrives at a water damage loss and notices standing water
in the basement. The homeowner reports the water came from a broken supply line
that has been shut off. Before beginning any work, what should be the technician's
FIRST priority?
A) Begin extracting water immediately to prevent further damage
B) Set up drying equipment to start the drying process
C) Assess the health and safety of workers and occupants
D) Document the existing damage with photographs
**Correct Answer: C**
**Rationale:** The IICRC S500 Standard emphasizes that the first concern of
restorers on any project is the health and safety of workers and occupants . Before
any restoration activities begin, the worksite must be evaluated for safety hazards
including electrical dangers, structural integrity, and slip/fall risks.
,2|Page
**Why the other options are incorrect:**
- **A:** Beginning extraction before conducting a safety assessment violates the
fundamental principle that safety precedes all other activities. This could expose
workers to electrical hazards or unstable structures.
- **B:** Setting up drying equipment without assessing safety could create
additional electrical hazards if water is present near electrical sources.
- **D:** While documentation is important, it should occur after basic safety
assessments have been completed and hazard controls are in place.
---
## Question 2
According to the Hierarchy of Controls, which control measure is considered the
LEAST effective in protecting workers from hazards?
A) Elimination
B) Substitution
C) Engineering Controls
D) Personal Protective Equipment (PPE)
**Correct Answer: D**
**Rationale:** The Hierarchy of Controls ranks PPE as the least effective control
measure because it relies on worker behavior and does not eliminate the hazard at
its source . While PPE is a critical last line of defense, it should be used only when
higher-level controls are not feasible or as a supplement to other controls.
,3|Page
**Why the other options are incorrect:**
- **A:** Elimination is the most effective control measure as it completely
removes the hazard from the workplace.
- **B:** Substitution is more effective than PPE because it replaces the hazardous
material or process with a less dangerous alternative.
- **C:** Engineering Controls are more effective than PPE as they isolate workers
from the hazard through physical means (ventilation, barriers, machine guards).
---
## Question 3
A sewage backup has occurred in a commercial building. At a MINIMUM, what
PPE should be worn by restoration workers entering the affected area?
A) N-95 respirator, rubber gloves, and safety glasses
B) Full face respirator, water-resistant suit, and waterproof gloves and boots
C) Half-face respirator, Tyvek suit, and work gloves
D) No respiratory protection needed if the area is well-ventilated
**Correct Answer: B**
**Rationale:** When cleaning up sewer-damaged projects (Category 3 water), the
minimum PPE includes full face respiratory protection, a water-resistant suit, and
waterproof gloves and boots . Sewage contains pathogenic organisms and requires
robust protection against splash, aerosol, and inhalation hazards.
, 4|Page
**Why the other options are incorrect:**
- **A:** An N-95 respirator provides insufficient protection against the biological
aerosols present in sewage. Rubber gloves and safety glasses do not provide
adequate full-body protection.
- **C:** Work gloves do not provide adequate protection against biological
contamination; a Tyvek suit may not be fully waterproof for sewage exposure.
- **D:** Ventilation alone does not eliminate the need for respiratory protection;
airborne pathogens can still be present and require appropriate respiratory PPE.
---
## Question 4
Name two hazardous materials that are more likely to be found in older buildings
that restorers may encounter during water damage restoration.
A) Fiberglass and PVC
B) Lead and asbestos
C) Formaldehyde and VOCs
D) Radon and methane
**Correct Answer: B**
**Rationale:** Lead and asbestos are hazardous materials commonly found in
older buildings . Lead may be present in paint (pre-1978) and plumbing
components, while asbestos can be found in insulation, flooring, ceiling tiles, and
other building materials from structures built before the 1980s.
