Agricultural Analytical Service
For more information about our lab activities,
click here.
Testing on Private Samples: The Office of the Texas State Chemist does not run chemical analysis on private samples.
Click here for additional details.
Laboratory Personnel
Dr. Yi-Cheng (John) Hsieh
Research Scientist
Office of the Texas State Chemist
Hsieh@otsc.tamu.edu
(979) 845 1121
Dr. Kyung-Min Lee
Research Scientist
Office of the Texas State Chemist
kml@otsc.tamu.edu
(979) 845 1121
Dr. Wei Li
Research Scientist
Office of the Texas State Chemist
wei@otsc.tamu.edu
(979) 845 1121
Megan K. Rooney
Senior Manager, Quality Assurance
Office of the Texas State Chemist
mkr@otsc.tamu.edu
(979) 845 1121
Inna V. Jaramillo
Analytical Chemist III
Office of the Texas State Chemist
ive@otsc.tamu.edu
(979) 845 1121
Emma L. Gorishek
Analytical Chemist III
Office of the Texas State Chemist
elg@otsc.tamu.edu
(979) 845 1121
Cynthia Bazaldua-Hernandez
Analytical Chemist III
Office of the Texas State Chemist
c1h@otsc.tamu.edu
(979) 845 1121
Cynthia K. McCormick
Analytical Chemist III
Office of the Texas State Chemist
ckm@otsc.tamu.edu
(979) 845 1121
Diamond M. Percivill
Analytical Chemist III
Office of the Texas State Chemist
dmp@otsc.tamu.edu
(979) 845 1121
Cynthia A. Applegate
Analytical Chemist II
Office of the Texas State Chemist
caa@otsc.tamu.edu
(979) 845 1121
Justin G. Hydock
Analytical Chemist II
Office of the Texas State Chemist
jgh@otsc.tamu.edu
(979) 845 1121
Michael A. Olivarez
Analytical Chemist II
Office of the Texas State Chemist
mao@otsc.tamu.edu
(979) 845 1121
Jesse M. Sandoval
Analytical Chemist II
Office of the Texas State Chemist
jsm@otsc.tamu.edu
(979) 845 1121
Cortlan A. Parrish
Analytical Chemist I
Office of the Texas State Chemist
cap@otsc.tamu.edu
(970) 845 1121
Kelly Rathbun
Analytical Chemist I
Office of the Texas State Chemist
klr@otsc.tamu.edu
(979) 845 1121
Ching-Jung (Amy) Tsai
Analytical Chemist I
Office of the Texas State Chemist
cjt@otsc.tamu.edu
(979) 845 1121
Christian J. Vormohr
Analytical Chemist I
Office of the Texas State Chemist
cjv@otsc.tamu.edu
(979) 845 1121