Domain 1. Food (36 questions)

1. Epidemiology
2. Legal Aspects
3. Microbiological, Physical 
    and Chemical Agents
4. Plan Review
5. Protection/Sanitation
6. Risk Assessment, Management and
    Communication
7. Sampling and Testing
8. Toxicology

Domain 2. Water and Waste Water 
(52 questions)
 
1. Drinking Water
2. Epidemiology
3. Ground Water
4. Land Use
5. Legal Aspects
6. Microbiological, 
    Physical and Chemical Agents
7. Plan Review
8. Risk Assessment, Management and
    Communication
9. Sampling and Testing
10. Surface Water
11. Toxicology
12. Waste Water
 
Domain 3. Air (12 questions)

1. Ambient Air
2. Epidemiology
3. Indoor Air
4. Legal Aspects
5. Microbiological, 
    Physical and Chemical Agents
6. Pollution Control Technology
7. Risk Assessment, Management and
    Communication
8. Sampling and Testing
9. Toxicology

Domain 4. Vector and Pest Control 
(16 questions)

1. Epidemiology 
2. Legal Aspects 
3. Microbiological, 
    Physical and Chemical Agents   
4. Pesticides (including application) 
5. Risk Assessment,
    Management and Communication 
6. Sampling and Testing 
7. Sanitation and Control 
8. Toxicology

Domain 5. Hazardous Materials 
Management (20 questions)

1. Emergency Response
2. Epidemiology
3. Handling and Storage
4. Legal Aspects
5. Processing
6. Risk Assessment, 
    Management and Communication
7. Sampling and Testing
8. Toxicology
9. Transportation

Domain 6. Waste Management 
(16 questions)

1. Biomedical Waste
2. Epidemiology
3. Hazardous Waste
4. Legal Aspects
5. Mixed Waste
6. Reduction
7. Resource Recovery
8. Risk Assessment, Management and
    Communication
9. Sampling and Testing
10. Soil and Land Use
11. Solid Waste
12. Toxicology
13. Transportation

Domain 7. Radiation (9 questions)

1. Electromagnetic Field Radiation
2. Epidemiology
3. Ionizing Radiation
4. Legal Aspects
5. Non-Ionizing Radiation
6. Risk Assessment, 
    Management and Communication
7. Safety and Protection
8. Sampling and Testing 
9. Toxicology

Domain 8. Recreation (8 questions)
 
1. Camping Areas
2. Epidemiology
3. Injury Prevention and Control
4. Land Use
5. Legal Aspects
6. Microbiological, 
    Physical and Chemical Agents
7. Natural Bathing Areas
8. Plan Review
9. Playgrounds 
10. Pools, Spas and Hot tubs 
11. Risk Assessment, 
     Management and Communication
12. Sampling and Testing 
13. Toxicology

Domain 9. Housing and 
Institutions (8 questions) 
 
1. Epidemiology
2. Infection Control
3. Injury Prevention and Control
4. Legal Aspects
5. Plan Review
6. Risk Assessment, 
    Management and Communication 
7. Sanitation 
8. Toxicology 

Domain 10. Occupational 
Health and Safety (13 questions)

1. Epidemiology
2. Injury Prevention and Control
3. Legal Aspects
4. Physical Agents
5. Risk Assessment, 
    Management and Communication
6. Sampling and Testing
7. Toxicology


Domain 11. General Env. Health
& Scientific Concepts (36 questions)

1. Basic Sciences
2. Epidemiology
3. Injury Prevention and Control
4. Microbiology
5. Statistics
6. Toxicology


Domain 12. Program Planning and 
Legal Aspect (24 questions)

1. Communication
2. Data Management
3. Enforcement and 
    Investigative Techniques
4. Government Organization
5. Risk Assessment and Management