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3M Petrifilm RYM Collaborative Study
June 2014
OMA-2014-June-XXX
Appendix 8.1
Instructions to Collaborators
General Instructions about Collaborative Studies
Introduction
The purpose of this document is to provide detailed instructions for performing the collaborative
study for the 3M™
Petrifilm
™
Rapid Yeast and Mold Count Plate Method.
The trial will be conducted by Study Directors: Bob Jechorek of 3M Food Safety, Erin
Crowley and Patrick Bird of Q Laboratories, Inc., the coordinating laboratory. The Study
Directors are responsible for providing the test portions, clarifying procedures, collating the
results, and submitting a final report to AOAC INTERNATIONAL. Should any questions arise
before or during the course of the study, please direct them immediately to the attention of one of
the Study Directors:
Robert P. Jechorek
Patrick Bird & Erin Crowley
Study Co-Director
Study Co-Directors
3M Food Safety Department
Q Laboratories, Inc.
3M Center, Building 260-6B-01
1400 Harrison Avenue
St. Paul, MN 55144
Cincinnati, Ohio 45214
Phone: 651-733-9764
Phone : 513-471-1300
Fax: 651-733-5819
Fax : 513-471-5600
Email:
rpjechorek@mmm.comEmail:
pbird@qlaboratories.com ecrowley@qlaboratories.comImportant Information
1. Read the methods carefully. If you have any questions, contact one of the Study
Directors.
2. It is advised to make at least one practice run before the trial using your own materials
so that you can minimize errors in manipulations. Check that all pipettes, equipment, and 3M
Petrifilm RYM supplies are on hand.
3. Make the determination on the specified date. Store the test portions according to the
instructions. It is essential for the validity of the trial that all collaborators commence the
analysis of each test portion on the designated day. Immediately upon receiving each shipment,
confirm the contents with the Study Director by faxing the form provided in the shipment.
4. THIS IS A STUDY OF THE METHOD, NOT OF THE LABORATORY. THE
METHOD MUST BE FOLLOWED AS CLOSELY AS PRACTICABLE, AND ANY
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DRAFT DOCUMENT
AOAC Research Institute
Expert Review Panel Use Only
OMAMAN-16A/ Collaborative Study Protocol
ERP Use Only - December 2014