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NEHA RS/REHS EXAM REVIEW NEWEST 2025
ACTUAL EXAM| COMPLETE 250 REAL EXAM
QUESTIONS AND CORRECT DETAILED ANSWERS
(VERIFIED ANSWERS) ALREADY GRADED A+||
BRAND NEW!!
What disease is commonly spread through wastewater? - Correct Answer - HEP A
What type of soil is best for an onsite wastewater system? - Correct Answer - Red, Brown, or Yellow
What is the goal of onsite wastewater systems? - Correct Answer - collect, treat, and disperse wastewater generated by a home or business.
What is the biggest concern at a festival lasting more than three days? - Correct Answer - water, sewage, food protection
A complaint is received stating a rash after swimming in a hot tub. What is likely to have caused the rash? - Correct Answer - Pseudomonas Aeruginosa
What travels the furthest in a septic field bacteria or viruses? - Correct Answer - Viruses
What temp are shell eggs received at? - Correct Answer - 45°F or below 1 / 4
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pg. 2 Temp. to cook eggs for immediate service? - Correct Answer - 145°F for 15 seconds
Temp, to cook scrambled eggs for hot holding? - Correct Answer - 155°F for 15 seconds
What temp do you cook chicken to? - Correct Answer - 165°F for 1 second
What is the process of moderating the temperature of a food, such as allowing it to gradually increase from a frozen temperature to facilitate heat penetration during cooking? - Correct Answer - Slacking
When you add a disposal to a kitchen and septic system what do you expect to see an increase of? - Correct Answer - Biochemical Oxygen Demand (BOD)
How do you calibrate a thermometer? - Correct Answer - 32°F ice water or 212°F boiling water
Salmonella grows best in what pH? - Correct Answer - 6.5-7.5
What amount of space is needed per person on a bathing beach? - Correct Answer - Bather use- A minimum of 25 square feet of water surface per bather shall be provided if less than four feet deep. At least 75 square feet per bather must be provided in an area over four feet deep. 2 / 4
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pg. 3 Land area - At least 35 square feet of land area per bather should be provided.
When reviewing plans for new septic insulation, what is the least important?Distance to house Distance to bedrock Distance from well Distance from a stream or river - Correct Answer - Distance to house
What chemical dechlorinates water? - Correct Answer - sodium thiosulfate
What is another name for Oriental cockroach? - Correct Answer - Water bug
What is another name for American cockroach - Correct Answer - Palmetto bug
The strongest pesticide control is used by? - Correct Answer - Dursban
What is the recommended level of cyanuric acid? - Correct Answer - 30 to 50 ppm Shall not exceed 70 ppm
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pg. 4 What is the overall purpose of a site review? - Correct Answer - To evaluate whether a sewage system can fit on the property
How many feet away from property lines of sewer lines of a mobile park? - Correct Answer - 10 feet
What are the 6 air pollutants? - Correct Answer - ozone(O3) carbon monoxide (CO) nitrogen oxides(NO2) particulate matter (PM) sulfur dioxide(SO2) lead(Pb).
What is a food disease is spore former? - Correct Answer - Clostridium perfringens and bacillus cereus
When doing ROP what disease is more susceptible? - Correct Answer -
- Botulism
What sample is used for water sampling or potable water? - Correct Answer - Grab
What is the OPTIMAL temperature for storing pool test kits? - Correct Answer - 36-85 degrees
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