CHA Advanced Diagnostics & Troubleshooting 3

Question 1

An auditor reviews a HACCP plan for a smoked fish operation and finds no CCP for water phase salt (WPS) control, only a CCP for smoking temperature. What hazard is MOST likely unaddressed?

Accepted Answer

Clostridium botulinum growth during extended refrigerated storage

Answer

For smoked fish, WPS (water phase salt) is a critical barrier against Clostridium botulinum; without it as a CCP, the anaerobic, low-acid environment of vacuum-packaged smoked fish creates botulism risk.

Question 2

During an audit, records show that a CCP deviation occurred but the lot disposition field on the corrective action form is blank. What is the MOST serious implication?

Accepted Answer

Potentially unsafe product may have been released without evaluation

Answer

Without documented lot disposition, there is no evidence that affected product was evaluated and either destroyed, reprocessed, or confirmed safe before release.

Question 3

A HACCP plan specifies that internal product temperature must reach 145°F for whole muscle beef. An auditor finds thermometers are inserted into the geometric center of the thickest part but the product consistently passes. However, a customer complaint about undercooked meat prompts a review. What should the auditor investigate FIRST?

Accepted Answer

Whether thermometer placement captures the coldest point, not just the geometric center

Answer

The geometric center is not always the coldest point; the auditor should verify that monitoring targets the slowest-heating zone, which may differ based on product shape and thickness.

Question 4

An auditor identifies that a prerequisite program (sanitation) is being used to control a significant biological hazard rather than a CCP. Under a rigorous HACCP diagnostic review, this is:

Accepted Answer

A critical gap because significant hazards must be controlled at a CCP with defined critical limits and monitoring

Answer

Significant hazards identified in the hazard analysis must be controlled at a CCP with measurable critical limits, monitoring, and corrective actions — a prerequisite program alone is insufficient.

Question 5

During HACCP record review, an auditor notes that monitoring records are filled out in advance (pre-logged). What is the MOST appropriate audit finding?

Accepted Answer

Critical nonconformance — pre-logged records are falsified and cannot verify actual process conditions

Answer

Pre-logged records constitute falsification of food safety records; they provide no assurance that actual conditions were monitored, representing a critical system breakdown.

(CHA) Certified HACCP Auditor Practice Test

(CHA) Certified HACCP Auditor Practice Test

CHA Advanced Diagnostics & Troubleshooting 3