chapter 10 verification procedures. objective in this module, you will learn: u how to define...
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Chapter 10
Verification
Procedures
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Objective
In this module, you will learn: How to define verification What functions are part of HACCP plan
verification What functions are part of validation
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Principle 6
Establish verification procedures
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Verification
Those activities, other than monitoring, that determine the validity of the HACCP plan and that verify the system is operating according to the plan
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“Trust What You Verify”
Verification provides a level of confidence that the HACCP plan:– is based on solid scientific principles,
– is adequate to control the hazards associated with the product and process, and
– is being followed
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Elements of Verification Validation CCP verification activities
– Calibration of monitoring devices
– Calibration record review
– Targeted sampling and testing
– CCP record review HACCP system verification
– Observations and reviews
– Microbiological end-product testing Regulatory agencies
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Validation
The element of verification focused on collecting and evaluating scientific and technical information to determine if the HACCP plan, when properly implemented, will effectively control the hazards
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Validation
Who validates the HACCP plan?– HACCP team
– Individual qualified by training or experience
What does validation involve?– A scientific and technical review of the rationale
behind each part of the HACCP plan from hazard analysis through each CCP verification strategy
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Validation Frequency Initially When factors warrant, e.g.,
– Changes in raw materials
– Changes in product or process
– Adverse review findings
– Recurring deviations
– New information on hazards or control measures
– On-line observations
– New distribution or consumer handling practices
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Examples of Validation Activities: Cooked hamburgers
– Collect data to establish that critical limits for maximum patty thickness, maximum belt speed, and minimum oven temperature will ensure that the internal temperature of every patty reaches the minimum requirement
Cooked shrimp– Verify that the internal temperature of the shrimp reaches
the required temperature for the required time
– Validate that adequate temperatures are delivered
throughout the cooker during processing
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Verification of CCPs Calibration Calibration record review Targeted sampling and testing CCP record review
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Calibrations are Performed: On equipment and instruments used in monitoring
or verification At a frequency to ensure accuracy of
measurements By checking accuracy against a recognized
standard at or near the condition that the instrument or equipment will be used
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Examples of Calibration Activities
A MIG thermometer used to monitor temperature at a cook CCP may be checked for accuracy by comparing it against a certified thermometer in a hot-water bath
The continuous temperature chart recorder on a pasteurizer may be compared during each batch against a certified accurate thermometer
A pH meter is calibrated against pH buffer standards of 7.0 and 4.0 when it is used to test products with a final pH of 3.8 to 4.2
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Calibration Record Review
Checking:– Date of calibration
– Methods used
– Test results
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Targeted Sampling and Testing Vendor compliance with purchasing specifications
– Quarterly testing of shrimp for sulfite– Periodic testing of pasteurized egg whites for Salmonella
Assurance that equipment settings are appropriate for product safety– Measuring internal shrimp temperature after cook
step
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CCP Record Review
Monitoring records Corrective action records
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HACCP System Verification
Determines if the HACCP plan is being followed
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HACCP System Verification Frequency
Annually Occurrence of a system failure or significant
change in product or process
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Verification Activities of the HACCP System
Check the accuracy of the product description and flow chart
Check that CCPs are monitored as required by the HACCP plan
Check that processes are operating within established critical limits
Check that records are completed accurately and at the time intervals required
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Record Review Monitoring activities have been performed at the
locations specified in the HACCP plan Monitoring activities have been performed at the
frequencies specified in the HACCP plan Corrective actions have been performed whenever
monitoring indicated deviation from critical limits Equipment has been calibrated at the frequencies
specified in the HACCP plan
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End-Product Microbiological Testing
Ineffective for routine monitoring Can be used to determine if the overall
operation is in control
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Company Verification ScheduleActivity
Initial validation of HACCP plan xxxxxxxxxxxxx
Subsequent validation of HACCP plan xxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx
Verification of CCP monitoring as described in the plan (e.g., monitoring of shrimp cook time and temperature)
Review of monitoring and corrective action records to show compliance with plan
Reassessment of the HACCP plan
Frequency Prior to and during initial
implementation of plan When critical limits changed, significant
changes in process occurred, equipment failed, system failed, etc.
According to HACCP plan (e.g., daily record review) xxxxxxxxxxxxxxx xxxxxxxxxxx
Weekly xxxxxxxxxxxxxxxxx xxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxx
Yearly
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Verification Procedures by an Agency Include:
Review of the HACCP plan and any modification Review of CCP monitoring records Review of corrective action records Review of verification records Visual inspection of operations to determine if the
HACCP plan is followed and records are properly maintained
Random sample collection and analysis
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HACCP Plan Form: IQF Shrimp
Pages 108-109
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HACCP Plan Form: Verification
1.CCP
2.Hazard
3.CriticalLimits
What How Frequency Who
Monitoring
4. 5. 6. 9.Verification
8.CorrectiveAction(s)
10.Records
7.
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