i. Frequency: One per week per analyst when samples analyzed.
ii. Records are to be maintained.
b. Acceptability criteria.
Refer to section I. 1.
If unacceptable values are obtained, then:
i. Stop official analyses by that analyst.
ii. Take corrective action.
5. Sample Acceptability and Stability
a. Matrix: Fresh and processed meat and poultry products.
b. Minimum Sample Size: 500 g.
c. Condition upon receipt: Sealed from air, and unspoiled.
d. Sample storage:
i. Time: Stability unknown, likely to vary with sample type and condition. Samples should be analyzed as soon as possible.
ii. Condition: Frozen and stored in airtight container.
6. Sample Set
a. Reagent blank and/or tissue blank (see section F.1.)
b. Recovery (fortified blank tissue) must be included in each sample set. If the tissue used to prepare the recovery has not been previously analyzed, it must also be included in the sample set.
c. Test samples to be analyzed.
7. Sensitivity
Minimum proficiency level (MPL): 15 ppm.