Page 1 of 76
NEHA REHS RS Registered Environmental Health
Specialist Registered Sanitarian Credential 2026-2027
COMPLETE QUESTIONS AND VERIFIED SOLUTIONS
LATEST UPDATE THIS YEAR
QUESTION: Order the following for an inspection based on importance most to least?
a. food festival without a hand sink
b. restaurant without power
c. chlorine leak at a public pool - ANSWER-Chlorine leak at a public pool, restaurant without
power, food festival without a hand sink
QUESTION: What causes infections in tattoos? - ANSWER-Staphylococcus aureus
QUESTION: What chemical raises the pH of the pool? - ANSWER-sodium bicarbonate (soda ash)
QUESTION: Which would require an inspection first based on the risk caused to the public if you
only have time for one inspection?
,Page 2 of 76
a. The hotel is 6 months past due for an inspection
b. Tattoo parlor is nine months past due for an inspection
c. Fast food restaurant one month past due for an inspection
d. A pool that's not open but is looking to open in 2 weeks - ANSWER-Tattoo parlor nine months
past due
QUESTION: When conducting a reinspection at a pool, what will you look at first?
a. The main drain is visible at the bottom of the pool
b. The flow rate in range
c. pH of the pool
d. Chemical log being filled out daily - ANSWER-The main drain is visible at the bottom of the
pool
QUESTION: HACCP targets which bacteria? - ANSWER-Listeria monocytogenes
QUESTION: What are the 7 steps of a HACCP plan? - ANSWER-1. Conduct a hazardous analysis
,Page 3 of 76
2. Determine Critical Control Points (CCPs)
3. Establish Critical Limits
4. Establish Monitoring Procedures
5. Establish Corrective Actions
6. Establish verification procedures
7. Establish record-keeping and documentation procedures
Q; Which would require a variance according to the FDA food code?
a. Cook, cool and reheat of chili
b. Sous Vide
c. ROP of raw meat
d. Smoking meat for preservation - ANSWER-Smoking meat for preservation
QUESTION: What is the target pH of sushi rice? - ANSWER-4.6 or below
, Page 4 of 76
QUESTION: What causes methemoglobinemia in toddlers? - ANSWER-nitrates
QUESTION: What would you deal with first?
a. One Person eating lipstick with 2 ppm lead
b. Lead in the paint of a house with an infant
c. Air averaging 0.15 µg/m3 lead for 3 months in a location
d. 15% of the house's water level is above 15 µg/L lead in a given area - ANSWER-Lead in the
paint of a house with an infant
QUESTION: How much faster do infants absorb lead than adults? - ANSWER-4 to 5 times more
than adults
QUESTION: If a house built in 1970 was taken down to the studs and redone in 1980, what
would you inspect first regarding a sickness from lead in a person's house? - ANSWER-Paint
peeling from around window sill
QUESTION: What following pet can lead to Psittacosis in a child
NEHA REHS RS Registered Environmental Health
Specialist Registered Sanitarian Credential 2026-2027
COMPLETE QUESTIONS AND VERIFIED SOLUTIONS
LATEST UPDATE THIS YEAR
QUESTION: Order the following for an inspection based on importance most to least?
a. food festival without a hand sink
b. restaurant without power
c. chlorine leak at a public pool - ANSWER-Chlorine leak at a public pool, restaurant without
power, food festival without a hand sink
QUESTION: What causes infections in tattoos? - ANSWER-Staphylococcus aureus
QUESTION: What chemical raises the pH of the pool? - ANSWER-sodium bicarbonate (soda ash)
QUESTION: Which would require an inspection first based on the risk caused to the public if you
only have time for one inspection?
,Page 2 of 76
a. The hotel is 6 months past due for an inspection
b. Tattoo parlor is nine months past due for an inspection
c. Fast food restaurant one month past due for an inspection
d. A pool that's not open but is looking to open in 2 weeks - ANSWER-Tattoo parlor nine months
past due
QUESTION: When conducting a reinspection at a pool, what will you look at first?
a. The main drain is visible at the bottom of the pool
b. The flow rate in range
c. pH of the pool
d. Chemical log being filled out daily - ANSWER-The main drain is visible at the bottom of the
pool
QUESTION: HACCP targets which bacteria? - ANSWER-Listeria monocytogenes
QUESTION: What are the 7 steps of a HACCP plan? - ANSWER-1. Conduct a hazardous analysis
,Page 3 of 76
2. Determine Critical Control Points (CCPs)
3. Establish Critical Limits
4. Establish Monitoring Procedures
5. Establish Corrective Actions
6. Establish verification procedures
7. Establish record-keeping and documentation procedures
Q; Which would require a variance according to the FDA food code?
a. Cook, cool and reheat of chili
b. Sous Vide
c. ROP of raw meat
d. Smoking meat for preservation - ANSWER-Smoking meat for preservation
QUESTION: What is the target pH of sushi rice? - ANSWER-4.6 or below
, Page 4 of 76
QUESTION: What causes methemoglobinemia in toddlers? - ANSWER-nitrates
QUESTION: What would you deal with first?
a. One Person eating lipstick with 2 ppm lead
b. Lead in the paint of a house with an infant
c. Air averaging 0.15 µg/m3 lead for 3 months in a location
d. 15% of the house's water level is above 15 µg/L lead in a given area - ANSWER-Lead in the
paint of a house with an infant
QUESTION: How much faster do infants absorb lead than adults? - ANSWER-4 to 5 times more
than adults
QUESTION: If a house built in 1970 was taken down to the studs and redone in 1980, what
would you inspect first regarding a sickness from lead in a person's house? - ANSWER-Paint
peeling from around window sill
QUESTION: What following pet can lead to Psittacosis in a child
