The Office of Indiana State Chemist offers exam-only opportunities for applicants who prefer to self-study (i.e., take their exams without training). Exams are available free of charge at Purdue’s West Lafayette campus. Contact the Office of Indiana State Chemist at 765-494-1594 for examination dates and to register for exams in West Lafayette. Exams are also available, for a fee, at select IvyTech Learning Centers around the state. Click here to learn more about, and to register for, exams at these Learning Centers.