Accreditations / Proficiency Testing
Approved AOCS Chemist 2005-2024
by the Examination Board of the American Oil Chemist Society (AOCS)
**Awarded First Place 2020 & 2023: Nutritional Labeling**
* The ESCL is a quarterly USDA Compliance Inspected Laboratory.
Proficiency Testing Program Participant:
- Association of Official Analytical Chemist - 2014 -present (AOAC)
an A2LA accredited Proficiency Testing Provider in accordance with the
International standard 17043:2010, (IF01 Nutrients in Infant Formula and
Adult Nutritionals, and, C01 Meat Chemistry).
- American Oil Chemist Society (AOCS) - Approved Chemist since 2005.
Nutritional Labeling, Gas Chromatography, Oilseed Meal, Specialty Oils,
Cholesterol, Soybean.
- Association of American Feed Control Officials (AAFCO)
AAFCO Proficiency Testing Program has been assessed by ANAB and meets
the requirements of international standard ISO/IEC 17043:2010.
- Association of American Plant Food Control Officials (AAPFCO)
Magruder Fertilizer Check Sample Program (Magruder)
Contact Us
Email:(Please include a phone number when emailing questions)
Dr. Thomas P. Mawhinney, Missouri State Chemist
ESCL@Missouri.edu
Complete mailing address:
Dr. Thomas P. Mawhinney
University of Missouri - Columbia
Office of the Missouri State Chemist
Analytical Services
Rm 4 Agriculture Laboratory Bldg.
700 Hitt Street
Columbia, MO 65211
Phone: 573-882-2608
Fax: 573-884-4631