CALIFORNIA CUSTODIAN CERTIFICATION
1. Which of the following is the primary responsibility of a
school custodian?
A. Developing curriculum
B. Supervising teachers
C. Maintaining a clean, safe, and sanitary environment
D. Managing student records
C. Maintaining a clean, safe, and sanitary environment
Rationale: Custodians are responsible for ensuring that facilities
remain clean, safe, and functional for occupants. Their duties
directly contribute to health, safety, and operational efficiency.
2. What is the most important reason for reading a cleaning
chemical's Safety Data Sheet (SDS)?
A. To determine the cost of the product
B. To learn proper handling and emergency procedures
C. To identify the manufacturer’s logo
D. To determine employee schedules
B. To learn proper handling and emergency procedures
Rationale: SDS documents provide critical information regarding
hazards, storage, handling, protective equipment, and
emergency response measures.
3. Which federal agency regulates workplace safety and
health standards?
A. EPA
B. CDC
C. OSHA
D. FEMA
,C. OSHA
Rationale: The Occupational Safety and Health Administration
(OSHA) establishes and enforces workplace safety regulations
designed to protect employees.
4. When using a ladder, the first step should be to:
A. Climb immediately
B. Place tools on the top rung
C. Inspect the ladder for damage
D. Lean it against any nearby surface
C. Inspect the ladder for damage
Rationale: A thorough inspection helps identify defects such as
cracks, loose rungs, or damaged feet that could cause falls or
injuries.
5. Which color-coded cleaning cloth is commonly designated
for restroom cleaning?
A. Blue
B. Green
C. Yellow
D. Red
D. Red
Rationale: Many facilities use red cloths exclusively for restroom
areas to reduce cross-contamination and maintain sanitation
standards.
6. What is cross-contamination?
A. Mixing cleaning schedules
B. Spreading contaminants from one area to another
,C. Storing chemicals alphabetically
D. Cleaning multiple rooms at once
B. Spreading contaminants from one area to another
Rationale: Cross-contamination occurs when germs, dirt, or
hazardous substances are transferred between surfaces,
potentially creating health risks.
7. Personal Protective Equipment (PPE) may include:
A. Gloves and goggles
B. Desks and chairs
C. Flashlights and batteries
D. Mops and buckets
A. Gloves and goggles
Rationale: PPE protects workers from workplace hazards such
as chemicals, biological contaminants, and physical injuries.
8. Which cleaning method generally removes the most soil
from hard floors?
A. Dry dusting only
B. Damp mopping only
C. Sweeping only
D. Scrubbing with appropriate equipment and cleaner
D. Scrubbing with appropriate equipment and cleaner
Rationale: Mechanical scrubbing combined with proper cleaning
agents effectively removes embedded dirt and contaminants.
9. What should be done immediately after a chemical spill
occurs?
, A. Ignore it until the end of the shift
B. Follow spill response procedures and SDS guidance
C. Mop it with any available cloth
D. Leave the area without reporting it
B. Follow spill response procedures and SDS guidance
Rationale: Proper spill response minimizes exposure risks,
environmental damage, and workplace injuries.
10. Why are wet floor signs important?
A. They improve decoration
B. They indicate room occupancy
C. They warn people of slip hazards
D. They identify custodial staff
C. They warn people of slip hazards
Rationale: Wet floor signs reduce accident risks by alerting
occupants to potentially slippery surfaces.
11. Which pathogen may be transmitted through
exposure to blood?
A. Hepatitis B
B. Seasonal allergies
C. Asthma
D. Arthritis
A. Hepatitis B
Rationale: Hepatitis B is a bloodborne pathogen that can spread
through contact with infected blood or bodily fluids.
12. What is the purpose of a disinfectant?
1. Which of the following is the primary responsibility of a
school custodian?
A. Developing curriculum
B. Supervising teachers
C. Maintaining a clean, safe, and sanitary environment
D. Managing student records
C. Maintaining a clean, safe, and sanitary environment
Rationale: Custodians are responsible for ensuring that facilities
remain clean, safe, and functional for occupants. Their duties
directly contribute to health, safety, and operational efficiency.
2. What is the most important reason for reading a cleaning
chemical's Safety Data Sheet (SDS)?
A. To determine the cost of the product
B. To learn proper handling and emergency procedures
C. To identify the manufacturer’s logo
D. To determine employee schedules
B. To learn proper handling and emergency procedures
Rationale: SDS documents provide critical information regarding
hazards, storage, handling, protective equipment, and
emergency response measures.
3. Which federal agency regulates workplace safety and
health standards?
A. EPA
B. CDC
C. OSHA
D. FEMA
,C. OSHA
Rationale: The Occupational Safety and Health Administration
(OSHA) establishes and enforces workplace safety regulations
designed to protect employees.
4. When using a ladder, the first step should be to:
A. Climb immediately
B. Place tools on the top rung
C. Inspect the ladder for damage
D. Lean it against any nearby surface
C. Inspect the ladder for damage
Rationale: A thorough inspection helps identify defects such as
cracks, loose rungs, or damaged feet that could cause falls or
injuries.
5. Which color-coded cleaning cloth is commonly designated
for restroom cleaning?
A. Blue
B. Green
C. Yellow
D. Red
D. Red
Rationale: Many facilities use red cloths exclusively for restroom
areas to reduce cross-contamination and maintain sanitation
standards.
6. What is cross-contamination?
A. Mixing cleaning schedules
B. Spreading contaminants from one area to another
,C. Storing chemicals alphabetically
D. Cleaning multiple rooms at once
B. Spreading contaminants from one area to another
Rationale: Cross-contamination occurs when germs, dirt, or
hazardous substances are transferred between surfaces,
potentially creating health risks.
7. Personal Protective Equipment (PPE) may include:
A. Gloves and goggles
B. Desks and chairs
C. Flashlights and batteries
D. Mops and buckets
A. Gloves and goggles
Rationale: PPE protects workers from workplace hazards such
as chemicals, biological contaminants, and physical injuries.
8. Which cleaning method generally removes the most soil
from hard floors?
A. Dry dusting only
B. Damp mopping only
C. Sweeping only
D. Scrubbing with appropriate equipment and cleaner
D. Scrubbing with appropriate equipment and cleaner
Rationale: Mechanical scrubbing combined with proper cleaning
agents effectively removes embedded dirt and contaminants.
9. What should be done immediately after a chemical spill
occurs?
, A. Ignore it until the end of the shift
B. Follow spill response procedures and SDS guidance
C. Mop it with any available cloth
D. Leave the area without reporting it
B. Follow spill response procedures and SDS guidance
Rationale: Proper spill response minimizes exposure risks,
environmental damage, and workplace injuries.
10. Why are wet floor signs important?
A. They improve decoration
B. They indicate room occupancy
C. They warn people of slip hazards
D. They identify custodial staff
C. They warn people of slip hazards
Rationale: Wet floor signs reduce accident risks by alerting
occupants to potentially slippery surfaces.
11. Which pathogen may be transmitted through
exposure to blood?
A. Hepatitis B
B. Seasonal allergies
C. Asthma
D. Arthritis
A. Hepatitis B
Rationale: Hepatitis B is a bloodborne pathogen that can spread
through contact with infected blood or bodily fluids.
12. What is the purpose of a disinfectant?
