Exam Description / Content Areas

The REHS/RS examination consists of a total of 250 multiple-choice questions. The exam is split into two parts of 125 questions each. Candidates are given a total of four (4) hours to complete the entire exam or two (2) hours for each part with a short 10-minute break in between. Of the 250 items, 225 will be scored. The remaining 25 questions will be unscored, pilot questions. Those items will not be called out within the exam. 

Below is an outline of the different content areas the examination covers and the percentages allotted to each of those areas. Please use this outline as a guide when preparing for the examination.

Content Areas

Final Weight

Number of Items

A

Conducting Facility Inspections

35.0%

79

1

Prioritize Inspections

1.0%

2

2

Maintain Inspection Equipment

1.0%

2

3

Perform Food Facility Inspections

17.5%

40

4

Perform Institution Inspections

2.0%

5

5

Perform Recreational Water Inspections

2.5%

6

6

Perform Group Gathering Inspections

2.0%

4

7

Perform Healthy Homes Inspections

2.0%

4

8

Perform Hazardous Waste Inspections

1.0%

2

9

Perform Bio-Medical Facility Inspections

1.0%

2

10

Perform Confined Feeding Operations Inspections

1.0%

2

11

Perform Other Facility Inspections

2.0%

5

12

Perform Solid Waste Facility Inspections

2.0%

5

B

Conducting System Inspections

20.0%

45

1

Perform Occupational Health and Safety Inspections

2.0%

5

2

Perform Onsite Waste Water System Inspections

12.0%

27

3

Perform Potable Water Quality Inspections

6.0%

13

C

Conducting Investigations

14.0%

32

1

Perform Complaint Investigations

5.0%

11

2

Perform Epidemiology Investigations

4.0%

9

3

Investigate Illegal Operators

2.0%

4

4

Perform Hazardous Waste Investigations

1.5%

3

5

Perform Indoor Air Quality Investigations

2.0%

5

D

Ensuring Compliance

13.0%

29

1

Develop Regulations

1.0%

2

2

Conduct Plan Review

5.0%

11

3

Review Establishment's HACCP Plan

2.0%

5

4

Provide Technical Assistance to Stakeholders

5.0%

11

E

Promoting Environmental Public Health Awareness

10.0%

22

1

Conduct Environmental Public Health Assessment

1.0%

2

2

Establish Community Partnerships

1.0%

2

3

Conduct Community Outreach

2.0%

4

4

Communicate Environmental Public Health Risks to Stakeholders

3.0%

7

5

Conduct Environmental Surveillance

3.0%

7

F

Responding To Emergencies

8.0%

18

1

Assess Community Risks

1.5%

3

2

Create Environmental Public Health Emergency Preparedness Plans

2.0%

5

3

Conduct Emergency Preparedness Training

1.0%

2

4

Implement Environmental Public Health Emergency Preparedness Plan

2.0%

5

5

Conduct Recovery Follow-up

1.5%

3

 

Total

100.0%

225