The program is administered by the Office of Indiana State Chemist on the Purdue University campus:
Indiana Registry of Soil Scientists
Office of Indiana State Chemist
175 S. University Street
West Lafayette, IN 47907-2063
Telephone: 765-494-1492
Fax: 765-494-4331
The Administrative Advisor in the Office of Indiana State Chemist is
IRSS Board Members:
| Appointee: | Representing: | Appointing Authority: | Start of Term: | End of Term: |
|---|---|---|---|---|
| Ryan Bennett | Federal, state or local government | Governor | 8/1/2025 | 7/31/2029 * |
| Dr. Jessi Haeft | Education in a teaching, a research, or an extension context | Governor | 7/2/2019 | 6/30/2023 * |
| Ron Wamsley | Industry or the private practice of soil science who are registered professional soil scientists in Indiana | Governor | 8/1/2025 | 7/31/2029 |
| Becky Langford | Industry or the private practice of soil science who are registered professional soil scientists in Indiana | Governor | 7/2/2019 | 6/30/2023 * |
| Linda Mauller | Public at large and is not associated with soil science other than as a consumer | Governor | 7/2/2019 | 6/30/2023 * |
* Under IC 25.31.5-2-4, a voting member is appointed by the Governor for a term of four years and the member may continue to serve until the member's successor is approved and qualified.
Laws & Regulations
- IC 25-31.5: Professional Soil Scientists
- 307 IAC: Indiana Board of Registration for Soil Scientists
Rule Readoption Comment Period:
The following rules have been submitted for readoption without changes:
LSA Document #24-628:
- 307 IAC 1 - All Documents
- Notice of Public Comment Period for Rule Readoption
OISC is soliciting public comments on rules expiring under IC 4-22-2.6. Comments may be submitted in one of the following ways:
- By mail or common carrier to the following address:
LSA Document #24-618
Matt Pearson
Office of Indiana State Chemist
175 South University Street
West Lafayette, IN 47907-2063 - By email to
This email address is being protected from spambots. You need JavaScript enabled to view it. . PLEASE NOTE: Email comments will not be considered part of the official written comment period unless they are sent to the address indicated in this notice. - All comments must be postmarked or time stamped not later than October 10, 2025.