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Mastovska et al.: J ournal of AOAC International Vol. 98, No. 2, 2015 505
blank mussel samples; homogenizing, weighing, and fortifying
all samples; and shipping samples to the study participants.
Cambridge Isotope Laboratories (Tewksbury, MA) is
acknowledged for providing discounted 13C-PAH standard
mixtures, Shrimp Alliance for supplying blank shrimp samples,
and Jo Marie Cook (Florida Dept. of Agriculture and Consumer
Services, Tallahassee, FL) for securing blank oyster samples for
the study.
The Study Directors are very grateful to all laboratories
that participated in the study and especially to the following
collaborators, listed alphabetically based on their institution
name:
Rolando Perez, Jason Betz, and Steven Perez, Adpen
Laboratories, Inc., Jacksonville, FL
Ken Keide, Mark Misunis, and Jian Wang, Canadian Food
Safety Inspection Agency, Calgary Laboratory, AB, Canada
Jack Jabusch and John Schmitz, Covance Laboratories Inc.,
Madison, WI
Jason Stepp, Walter Hammack, and Jo Marie Cook, Florida
Dept. of Agriculture and Consumer Services, Tallahassee, FL
Patricia Lopez-Sanchez, Radoslaw Lizak, and Thomas
Wenzl, Institute for Reference Materials and Measurements, EU
PAH Reference Laboratory, Geel, Belgium
Lucie Drabova and Jana Pulkrabova, Institute of Chemical
Technology, Prague, Czech Republic
Joe Binkley, Doug Staples, and Scott Pugh, Leco Corporation,
St. Joseph, MI
Bonita Taffe, Michigan Department of Community Health
Bureau of Labs, Lansing, MI
Jan Rosmus, State Veterinary Institute, National PAH
Reference Laboratory, Prague, Czech Republic
Katerina Bousova and Klaus Mittendorf, Thermo Fisher
Scientific Food Safety Response Center, Dreieich, Germany
References
(1) Kalachova, K., Pulkrabova, J., Drabova, L., Cajka, T.,
Kocourek, V., & Hajslova, J. (2011) Anal. Chim. Acta 707,
84–91
(2) CONffIDENCE (2010) Contaminants in Food and Feed:
Inexpensive Detection for Control of Exposure
(3) Official Methods of Analysis (2002) Guidelines for
Collaborative Study Procedures to Validate Characteristics of a
Method of Analysis, Appendix D.
(4) AOAC Spreadsheet for Blind Duplicates 2.0.
org/stats/