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OTSC - Texas A&M AgriLife Research Aflatoxin Proficiency Testing and Control Program
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Quality Control Tools
**
Z-score Calculator
Can be used to calculate your laboratory’s z-score after results have been published or when needed for corrective action follow-up.
Dixon Outlier SOP
Dixon Outlier Calculator
Statistical Process control macro
** For reference purposes only; Not to be used for meeting regulatory or accreditation purposes.
OTSC Agricultural Analytical Service Accreditations
ISO/IEC 17025:2017 Chemical Testing
ISO 17034:2016 Reference Material Production
ISO/IEC 17043:2010 Proficiency Testing Provider
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2022 Important Due Dates
Round 1 Results have been published
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