HIC Cheat Sheet 2026

The 30 highest-yield HIC facts, distilled from real exam questions. Print it, save it as a PDF, or study it here — free, no sign-up.

1. What is the primary health risk associated with disturbed asbestos-containing materials (ACM) found in older residential dwellings? → Mesothelioma and lung cancer from inhaling released fibers
2. When a conflict arises between standard procedures and a unique situation in Institutional Inspection Procedures, what should a HIC professional prioritize? → Safety and ethical obligations while seeking expert consultation
3. Which characteristic of the German cockroach (Blattella germanica) makes it particularly difficult to control in food facilities? → Its rapid reproduction rate and aggregation behavior in harborage sites
4. A wading pool for children under 5 is inspected and found to use the same recirculation system as the main pool. What is the concern? → Cross-contamination risk is high; wading pools should have separate systems
5. A food establishment's water supply shows a pH of 5.0. What is the primary concern from a water quality standpoint? → Accelerated corrosion of plumbing that may leach lead or copper
6. A food establishment uses quaternary ammonium compounds (quats) as a sanitizer. What is the required minimum concentration for a sanitizing solution? → 200 ppm
7. The Maximum Contaminant Level (MCL) for total coliform in a public water system is set at what value under the Total Coliform Rule? → 5% of monthly samples positive for systems collecting ≥40 samples/month
8. A spring water source used by a food establishment shows elevated arsenic at 12 ppb. What regulatory threshold does this violate? → 10 ppb MCL
9. A health inspector is evaluating a commercial kitchen's pest control program. Which condition most strongly indicates an active cockroach infestation? → Fresh egg casings (oothecae) behind a refrigerator
10. A swimming pool facility reports an increase in mosquito complaints. Which site condition should an inspector prioritize investigating first? → Standing water in filter backwash drainage areas
11. What is the significance of the Public Health Service Act? → It allows federal disease control authority
12. When a conflict arises between standard procedures and a unique situation in Pool & Recreational Water Safety, what should a HIC professional prioritize? → Safety and ethical obligations while seeking expert consultation
13. In indoor air quality investigations, a Draeger tube (colorimetric detector tube) is used to: → Detect and roughly quantify specific gas concentrations
14. Which document must a homeowner typically obtain before installing or replacing a septic system in most US jurisdictions? → A local or county on-site sewage system permit
15. An inspector discovers a pool operator is using bromine as the primary disinfectant. Which statement about bromine is accurate? → Bromine cannot be used in outdoor pools because UV destroys it and it cannot be stabilized
16. An inspector identifies algae growth on the pool walls during an inspection. What does the presence of algae most likely indicate about pool operations? → Inadequate chlorine residual or circulation, allowing algae to establish
17. A health inspector finds turbidity in a filtered public water system exceeds 1 NTU in more than 5% of measurements in a month. What does this indicate? → A treatment technique violation under the Surface Water Treatment Rule
18. What is the required minimum slope for building sewer pipes to ensure proper flow by gravity? → 1/4 inch per foot (approximately 2%)
19. What is the primary concern with improper hazardous waste disposal? → Environmental contamination
20. A frozen food item arrives at a receiving dock with large ice crystals inside the package and the packaging is stained. This most likely indicates: → The product experienced a thaw-refreeze cycle
21. Which law governs food safety at the federal level in the U.S.? → FDA Food Code
22. A mound system is used as an alternative septic system primarily when: → The depth to bedrock or seasonal high water table is too shallow for a conventional system
23. When reviewing a correctional facility's pest control records, what is the MOST important document to request? → Pesticide application logs showing dates, chemicals used, and treated areas
24. Which of the following best describes the concept of 'risk-based inspection' in food safety? → Prioritizing inspection frequency and focus based on the potential for foodborne illness
25. What action should a health inspector recommend following a formed-stool fecal incident in a public pool? → Close pool, raise free chlorine to 2 ppm for 25 minutes at pH 7.5 or below
26. Under the Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA), what is required before applying any pesticide? → Reading and following the EPA-registered product label
27. Under the Total Coliform Rule, what action must a public water system take when a routine sample tests positive for total coliform? → Collect repeat samples within 24 hours from the same site and adjacent sites
28. A health inspector finds a food establishment connected to a well with no sanitary seal on the wellhead. Why is this a critical violation? → It allows surface water, insects, and contaminants to enter the well directly
29. Which pollutant is produced when gas burners in a commercial kitchen operate with insufficient combustion air? → Carbon monoxide
30. Which law governs the cleanup of hazardous waste sites? → CERCLA