HIC Air Quality Assessment 2

Question 1

Which instrument is used to measure airborne particulate matter concentrations in a food facility?

Accepted Answer

Particle counter

Answer

A particle counter measures the number and size of airborne particles, helping assess contamination risk in food-handling environments.

Question 2

OSHA's permissible exposure limit (PEL) for carbon monoxide in the workplace is:

Accepted Answer

50 ppm

Answer

OSHA sets the 8-hour TWA PEL for carbon monoxide at 50 ppm to protect workers from chronic CO exposure.

Question 3

A health inspector finds humidity above 70% in a food storage area. The PRIMARY concern is:

Accepted Answer

Accelerated mold and microbial growth

Answer

Relative humidity above 70% creates conditions favorable for mold, yeast, and bacterial proliferation on surfaces and food products.

Question 4

Which of the following is classified as a Volatile Organic Compound (VOC) commonly found in cleaning product residues?

Accepted Answer

Formaldehyde

Answer

Formaldehyde is a VOC found in some cleaning agents and building materials that can off-gas into indoor air.

Question 5

An inspector notices exhaust ventilation is discharging directly into a food preparation area. This violates which principle?

Accepted Answer

Cross-contamination prevention

Answer

Exhaust discharge into prep areas can reintroduce contaminants, grease, and pathogens, violating cross-contamination prevention standards.

(HIC) Health Inspector Certification Practice Test