AOAC-RI ERP Book MICRO Sept 2016.pdf

OMAMAN-08/Collaborative Study Protocol March 2014 Expert Review Panel Use Only

3M Petrifilm SALX Collaborative Study

July 2013

OMA-2013-July-XXX

but must be separated from the main report. Results and comments should be returned to the Study 1 Director immediately upon completion of each portion of the study.

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Information about this Collaborative Study

Shipment Schedule 6 7 Test portions will be shipped by overnight express courier to arrive the day before initiation of analysis. 8 If the test portions do not arrive by the normal delivery time one day prior to analysis, please contact a 9 co-Study Director. All test portions will be shipped refrigerated. Analysis of test portions must be 10 initiated on the day scheduled by the Study Director. Test kits will be sent directly from 3M.

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Proposed analysis schedule

Food

Date Shipped

Date Tested

Raw ground beef (80/20)

Thursday

Monday

25g-SALX 25g-MLG

Dry dog food 375g-SALX 25g-BAM

Thursday

Monday

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Test Portion Receipt 16 17 Note condition of package on the data sheets and notify the Study Director if any packages appear to 18 have been compromised or if the food product does not arrive in the appropriate condition. All 19 refrigerated products should arrive cold to the touch and should be stored at 4 ° C (refrigerated) until the 20 day of analysis. Dry products should be stored at room temperature until the day of analysis. 23 24 Collaborators will be provided with enough test portion to test each matrix using the 3M Petrifilm SALX 25 method and the appropriate reference method. For the week of raw ground beef testing, collaborators 26 will receive two sets of test portions: 36 x 25g (3M) and 36 x 25g (MLG). For the week of dry dog food 27 testing, collaborators will receive: 36 x 375g (3M) and 36 x 25g (BAM). See Appendices 8.5-8.6 for 28 detailed instructions on analysis. Please review the reference methods carefully before initiating 29 analysis. 30 31 One additional 60 g control (negative) test portion will be provided to each collaborator for each matrix 32 to determine the total plate count on the day of analysis. One temperature control sample will also be 33 included in the shipment to document the temperature of the sample upon receipt. Record all results on 34 the data sheet provided. 21 22 Test Portion Analysis

AOAC Research Institute Expert Review Panel Use Only

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DRAFT DOCUMENT

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