Online Test Questions for Professional Certification and Academic Entrance Examinations

What topics / disciplines are covered on the REHS exam ?

The REHS/RS exam is based on the following content areas. Next to each subject heading is the approximate percentage of questions in that content area on the exam.

1. General Environmental Health.    12%
   Knowledge of health inspection procedures, disease-causing agents, epidemiology, sampling techniques, field tests and methodology, land use planning, construction plans, permit/license process, and public education.
2. Statutes and Regulations    5%
   Knowledge of legal authority, law concerning inspections, agency administrative actions (embargo, seizure, nuisance abatement, etc.), federal environmental health acts, laws, agencies, and regulations.
3. Food Protection     13%
   Knowledge of inspection/investigation procedures of food establishments. Knowledge of food safety principles, protection, quality, and storage. Knowledge of temporary food service events. Knowledge of proper food transport.
4. Potable Water     8%
   Knowledge of sanitary survey principles regarding potential or existing water systems and watersheds. Understand testing/sampling methods, water supply systems, water treatment processes, and diseases associated with contaminated water.
5. Wastewater     9%
   Knowledge of inspection/investigation procedures of wastewater systems. Knowledge of soil characteristics and analysis methods, land use issues, wastewater treatment systems and processes, and disease-causing organisms associated with wastewater.
6. Solid and Hazardous Waste     9%
   Knowledge of waste management systems, waste classifications, landfill methods, hazardous waste disposal methods, and health risks associated with poor waste management.
7. Hazardous Materials     4%
   Knowledge of inspections/investigations of hazardous materials, self-protection procedures, and types of hazardous materials.
8. Vectors, Pests, and Weeds     7%
   Knowledge of control methods for vectors, pests, and weeds; life cycle; different types of vectors, pests, and weeds; diseases and organisms associated with vectors, pests, and weeds; and public education methods.
9. Radiation Protection     3%
   Knowledge of inspections/investigations of radiation hazards, types of radiation, common sources of exposure, protection methods, health risks of radiation exposure, and testing equipment/sampling methods used to detect radiation.
10. Occupational Safety and Health     3%
    Knowledge of inspection/investigation procedures of occupational settings, common health and safety hazards at worksites, and general OSHA principles.
11. Air Quality and Noise     4%
    Knowledge of inspection/investigation procedures to assess ambient air quality and environmental noise, air pollution sources, air/noise sampling methods and equipment, air/noise pollution control equipment and techniques, and health risks associated with poor air quality and excessive noise.
12. Housing     5%
    Knowledge of inspection/investigation procedures of public/private housing and mobile home/recreational vehicle parks, health/safety risks of substandard housing, housing codes, heating, ventilation, and cooling systems, child safety hazards such as lead, and utility connections.
13. Institutions and Licensed Establishments     9%
    Knowledge of the health hazards and sanitation problems commonly associated with correctional facilities, medical facilities, licensed establishments (tanning salons, massage clinics, tattoo parlors, and cosmetology salons) child-care facilities and schools, common disease-causing organisms and transmission modes, epidemiology, heating, ventilation, and cooling systems.
14. Swimming Pools and Recreational Facilities     6%
    Knowledge of inspection/investigation procedures for swimming pools/spas, recreational areas/facilities, amusement parks, temporary mass gatherings (concerts, county fairs, etc.). Knowledge of common organisms and resultant diseases associated with swimming pools/spas, water treatment systems, water chemistry, safety issues, and sampling/test methods.
15. Disaster Sanitation     3%
    Knowledge of disaster preparation, site management of disaster situations, and post disaster management. Knowledge of emergency response procedures, chain of command, supply needs, temporary shelter/facilities and services, and remediation methods.