Contact Us


Tim Herrman
Professor, State Chemist and Director
(001) 979-845-1121
tjh@otsc.tamu.edu

Prabha Vasudevan
PT Program Registration/Payments
apteca@otsc.tamu.edu

PT and Control in Africa
Anne Muiruri
Analytical Chemist, Primary Contact
(+254) 0723-799-761
mawmuiruri@gmail.com

2025 Program Dates


Round 1 (Aflatoxin, Fumonisin & Don)
  • Samples mailed: February 17, 2025
  • Results Due: April 17, 2025
  • Reports Due: April 31, 2025

Round 2 (Aflatoxin)
  • Samples mailed: May 12, 2025

Round 3 (Aflatoxin, Fumonisin & Don)
  • Samples mailed: August 18, 2025

Round 4 (Aflatoxin)
  • Samples mailed: November 17, 2025