19.6.2.7.6.7 Defect Detection Standards Decision Tree

Step 1: Process Evaluation

With Process Evaluation under Normal Control Sampling, done every hour for 13 or 20 sample units, there are two possibilities:

1. Accepted Sample, which leads to Continue Process Evaluation under Normal Control Sampling, which returns you to the beginning.
2. Rejected Sample: Advise the Canadian Food Inspection Agency (for Food Safety-1, implement corrective measure(s) for the specific defect group that failed, and proceed to Step 2: Corrective Measure(s) Evaluation, or go directly to Step 3: Postchill Product Verification), which leads to:
   1. Continue Process Evaluation under Normal Control Sampling, which returns you to the beginning
   2. Implement corrective measures for specific defect group, which leads to Step 2: Corrective Measure(s) Evaluation

Step 2: Corrective Measure(s) Evaluation

With Corrective Measure Evaluation for a specific defective defect group, within 10 minutes (the approximate delay required in order to evaluate the effect of the corrective measures at the Defect Detection Standards station) and 13 or 20 sample units, there are two possibilities:

1. Accepted Sample: Stop corrective measure(s) evaluations. If applicable, carcasses entering the chilling process are identified to mark the end of additional sampling after chilling.
   or
2. Rejected Sample: Nota Bene: Maximum of 3 failed tests after which the corrective measures must be determined by the Veterinarian in Charge based on the specifics of the issues:
   • Replace staffing
   • Additional staffing
   • Line speed reduction
   For one rejected sample under Food Safety-2, Food Safety-3, Dressing Condition-1
   Proceed to Step 3: Postchill Product Verification

Step 3: Postchill Product Verification

Postchill Product Verification, which is for a specific defective defect group, applies on the entire affected lot, is done every 15 minutes and requires 8 or 13 sample units, there are two possibilities:

1. Accepted Sample: Stop post-chill verification when corrective measure(s) evaluation is accepted, resulting in identified product reaching the post-chill verification station; or
2. Rejected Sample: Start post-chill product segregation on subsequent carcasses until next accepted sample. Segregated product shall be reworked and retested using the same sample size.

The Meat Inspection Regulations have precedence over this decision tree