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
Diamond M. Percivill
Assistant Director
Office of the Texas State Chemist
dmp@otsc.tamu.edu
(979) 845 1121
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
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
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
Mireya R. Lopez
Analytical Chemist I
Office of the Texas State Chemist
mrl@otsc.tamu.edu
(979) 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