The REHS/RS examination consists of a total of 225 multiple-choice questions. The exam is split into two parts. Part 1 will have 113 questions and Part 2 will have 112 questions. Candidates are given a total of three (3) hours and forty (40) minutes to complete the entire exam or one (1) hour and fifty (50) minutes for each part with a short 10-minute break in between. Of the 225 items, 200 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.
Duties and Tasks |
Exam Weight |
N of Items |
|
A |
Performing Environmental Health Surveillance |
12% |
24 |
1 |
Plan surveillance activities |
|
8 |
2 |
Collect surveillance data |
|
4 |
3 |
Analyze data |
|
4 |
4 |
Implement actions |
|
8 |
B |
Conducting Inspections |
48% |
96 |
1 |
Review regulations and standards |
|
11 |
2 |
Prioritize inspections |
|
4 |
3 |
Maintain inspection equipment |
|
2 |
4 |
Perform food inspections |
|
16 |
5 |
Perform wastewater inspections (i.e., onsite, |
|
11 |
6 |
Perform potable water quality inspections |
|
11 |
7 |
Perform recreational water inspections |
|
9 |
8 |
Perform solid, hazardous, and infectious waste facility inspections |
|
11 |
9 |
Perform body art inspections |
|
2 |
10 |
Perform group gathering inspections |
|
3 |
11 |
Perform healthy homes inspections |
|
4 |
12 |
Perform institution inspections |
|
10 |
13 |
Perform other inspections |
|
2 |
C |
Conducting Investigations |
18% |
36 |
1 |
Perform epidemiology investigations |
|
12 |
2 |
Perform lead investigations |
|
3 |
3 |
Perform environmental health investigations |
|
5 |
4 |
Verify risk abatement |
|
6 |
5 |
Perform vector and pest investigations |
|
10 |
D |
Conducting Compliance Review |
12% |
24 |
1 |
Conduct plan review |
|
8 |
2 |
Review HACCP plans |
|
6 |
3 |
Evaluate variance requests |
|
2 |
4 |
Determine permitting status |
|
3 |
5 |
Verify compliance with regulations |
|
5 |
E |
Providing Environmental Health Information |
10% |
20 |
1 |
Communicate findings and corrective actions |
|
4 |
2 |
Perform technical assistance |
|
2 |
3 |
Collaborate with stakeholders (e.g., Community |
|
2 |
4 |
Communicate environmental health risks |
|
6 |
5 |
Create environmental public health emergency response preparedness plans |
|
2 |
6 |
Implement environmental public health emergency response preparedness plans |
|
4 |
Total |
100% |
200 |