Prep REHS NEHA Test Questions with
Already Solved Solutions 2025-2026
Updated.
Psittacosis - Answer Chlamydophila psittaci
Reservoir: Infected Birds/Parrots
Inhaling airborne desiccated bird feces
Incubation time: 4-15 Days
Symptoms akin to pneumonia
Ice machines should be: - Answer Indirectly drained
Spa turnover rate - Answer 30 Minutes
Pool turnover rate - Answer General use over 2000 sq ft: 6 hours
Limited use under 2000 sq ft: 8 hours
Pool filtration systems should run: - Answer 24 hours/All the time
Most common cockroach - Answer German cockroach
Psycrometer - Answer measures humidity and temperature
How high should a chimney be above roof line - Answer 2 feet above
Malfeasance - Answer wrongdoing or bad conduct by a public official
Misfeasance - Answer the improper performance of an otherwise proper or lawful act
Nonfeasance - Answer The failure to act when one should
Asbestos - Answer A long, thin, fibrous silicate mineral with insulating properties, which can
cause cancer when inhaled.
Chrysotile - Answer "white" asbestos, most common, used in roofing and cement
, Amosite - Answer "Brown" Asbestos. Plumbing and electrical insulation. Not as common but
more dangerous
Crocidolite - Answer "Blue" asbestos, considered most hazardous of all asbestos, less heat-
resistant than other types, used primarily in cement products, and used in WWII gas masks and
filters of infant incubators.
nosocomial infection - Answer an infection acquired during hospitalization, endemic
6 inches of soil in a landfill prevents - Answer Flies
Safe level of decibels - Answer 70 decibels
threshold of pain (dB) - Answer 120 dB-140dB
search warrant - Answer A written authorization from a court specifying the area to be
searched and what the police are searching for based on probable cause
exclusionary rule - Answer A rule that provides that otherwise admissible evidence cannot
be used in a criminal trial if it was the result of illegal police conduct
Maximum contaminant level (MCL) of Nitrates - Answer 10mg/l in drinking water
Office temperature - Answer 68F-72F
primary wastewater treatment - Answer Sedimentation; removal of large particles from
wastewater through screening and settling
secondary wastewater treatment - Answer Oxidation; 1. filtration to remove additional
sediment from wastewater
2. mix wastewater with microorganisms and aerated
3. oxidation ponds uses lagoons for natural passage.
tertiary wastewater treatment - Answer use of sand and carbon filters to remove nutrients
and heavy metals from wastewater
Already Solved Solutions 2025-2026
Updated.
Psittacosis - Answer Chlamydophila psittaci
Reservoir: Infected Birds/Parrots
Inhaling airborne desiccated bird feces
Incubation time: 4-15 Days
Symptoms akin to pneumonia
Ice machines should be: - Answer Indirectly drained
Spa turnover rate - Answer 30 Minutes
Pool turnover rate - Answer General use over 2000 sq ft: 6 hours
Limited use under 2000 sq ft: 8 hours
Pool filtration systems should run: - Answer 24 hours/All the time
Most common cockroach - Answer German cockroach
Psycrometer - Answer measures humidity and temperature
How high should a chimney be above roof line - Answer 2 feet above
Malfeasance - Answer wrongdoing or bad conduct by a public official
Misfeasance - Answer the improper performance of an otherwise proper or lawful act
Nonfeasance - Answer The failure to act when one should
Asbestos - Answer A long, thin, fibrous silicate mineral with insulating properties, which can
cause cancer when inhaled.
Chrysotile - Answer "white" asbestos, most common, used in roofing and cement
, Amosite - Answer "Brown" Asbestos. Plumbing and electrical insulation. Not as common but
more dangerous
Crocidolite - Answer "Blue" asbestos, considered most hazardous of all asbestos, less heat-
resistant than other types, used primarily in cement products, and used in WWII gas masks and
filters of infant incubators.
nosocomial infection - Answer an infection acquired during hospitalization, endemic
6 inches of soil in a landfill prevents - Answer Flies
Safe level of decibels - Answer 70 decibels
threshold of pain (dB) - Answer 120 dB-140dB
search warrant - Answer A written authorization from a court specifying the area to be
searched and what the police are searching for based on probable cause
exclusionary rule - Answer A rule that provides that otherwise admissible evidence cannot
be used in a criminal trial if it was the result of illegal police conduct
Maximum contaminant level (MCL) of Nitrates - Answer 10mg/l in drinking water
Office temperature - Answer 68F-72F
primary wastewater treatment - Answer Sedimentation; removal of large particles from
wastewater through screening and settling
secondary wastewater treatment - Answer Oxidation; 1. filtration to remove additional
sediment from wastewater
2. mix wastewater with microorganisms and aerated
3. oxidation ponds uses lagoons for natural passage.
tertiary wastewater treatment - Answer use of sand and carbon filters to remove nutrients
and heavy metals from wastewater
