The Office of the Texas State Chemist (OTSC) –Texas A&M AgriLife Research conducts a global Mycotoxin Proficiency Testing (PT) and Control Program in maize for aflatoxin and fumonisin. The OTSC is ISO/IEC 17025:2017 accredited for chemical testing, including aflatoxin using the ELISA and Fluorometric Test Kits, HPLC, and UHPLC and fumonisin using LCMSMS, and ISO/IEC 17043:2010 and ISO 17034:2016 accredited for conducting proficiency testing and producing reference material, respectively.

Eligible participants include grain milling and grain handling firms, feed manufacturing industry, government laboratories and educational institutions. The total number of participants is limited to 300 participants.

OTSC-TAMU Agrilife Proficiency Testing Program
(2016-2021)

Proficiency Testing Participation Map

Program Objectives

  • Improve overall testing accuracy in participating laboratories
  • Facilitate lab adoption of a quality systems approach to accurately measure aflatoxin and other mycotoxins.
  • Deliver a global mycotoxin proficiency testing service including the production and sale of mycotoxin testing reference material, including aflatoxin, fumonisin, and deoxynivalenol
  • Compare individual laboratory performance with similar laboratories worldwide

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