AOAC-RI ERP Book MICRO.pdf

3M Petrifilm RYM Collaborative Study

June 2014

OMA-2014-June-XXX

DEVIATIONS FROM THE METHOD AS DESCRIBED, NO MATTER HOW TRIVIAL

THEY MAY SEEM, MUST BE NOTED ON THE REPORT FORM.

5. Report all of your results as soon as analyses are completed. Do not do more or less than

indicated in the instructions. For example, do not do duplicate analysis and report the best or

average result. More or fewer results complicate the statistical analyses and may invalidate your

results. Data sheets are provided with these instructions and indicate which results are to be

reported. Please include any criticisms, suggested improvements, or general comments about the

3M Petrifilm RYM Count Plate method on the Collaborators’ Comments Form provided. Any

results that were derived from modified protocols should be included but must be separated from

the main report. Results and comments should be returned to the Study Director immediately

upon completion of each portion of the study.

Information about this Collaborative Study

Shipment Schedule

Test portions will be shipped by overnight express courier to arrive the day before initiation of

analysis. If the test portions do not arrive by the normal delivery time one day prior to analysis,

please contact a Study Director. All test portions will be shipped refrigerated.

Analysis of test

portions must be initiated on the day scheduled by the Study Director.

3M Petrifilm RYM

Plates will be sent directly from 3M. Other supplies (Appendix 8.3) will be sent by the

coordinating laboratory.

Proposed analysis schedule

Food

Date Shipped

Date Tested

Raw frozen ground

beef

(80% lean/20% fat)

TBD*

TBD

Raw almonds

TBD

*To be completed by coordinating laboratory

Test Portion Receipt

Note condition of package on the data sheets and notify the Study Director if any packages

appear to have been compromised or if the food product does not arrive in the appropriate

condition. All frozen ground beef samples should arrive frozen and should be stored at -20

(frozen) until the day of analysis. Raw almonds should be stored at room temperature (21-23°C).

Test Portion Analysis

DRAFT DOCUMENT

AOAC Research Institute

Expert Review Panel Use Only

OMAMAN-16A/ Collaborative Study Protocol

ERP Use Only - December 2014