Texas A&M AgriLife Research
Office of the Texas State Chemist
Laboratory Login
OTSC - Texas A&M AgriLife Research Aflatoxin Proficiency Testing and Control Program
Home
About the Program
TAMU Responsibility
Lab Responsibility
Register for the Program
F.A.Q.s
ISO-IEC Accreditation
ISO/IEC 17025:2017 Chemical Testing
ISO 17034:2016 Reference Material Production
ISO/IEC 17043:2010 Proficiency Testing Provider
Resources
Contact us
PT and Control in Africa
Purchase Reference Materials
Resources
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
APTECA
One Sample Strategy
2022 Important Due Dates
Round 1: Results have been published
Round 2: Results have been published
2023 PT Program Dates
Round 1: Shipping date, January 23, 2023 | Reporting date, April 17, 2023
Round 2: Shipping date, July 17, 2023 | Reporting date, October 16, 2023
PT Participants
Setup your Account (First Time User)
Reset Password
Enter or Review Your Laboratory's Results
View Proficiency Testing Reports
Update Contact Information
PT Program Evaluation (Feedback)
Request PT Certificate