Contact Us


Leighanne Hahn
Water Quality and Endangered Species Specialist
(765) 427-3472
cropregistry@purdue.edu

Office of Indiana State Chemist
175 S. University St.
West Lafayette, IN 47907-2063
(765) 494-1492 or (800) 893-6637
Fax: (765) 494-4331
www.isco.purdue.edu