Indiana Code Title 13. Environment § 13-22-2-4

Sec. 4. (a) The board shall adopt rules under IC 4-22-2 and IC 13-14-8 on the proper and safe transportation, treatment, storage, and disposal of hazardous wastes.  Whenever possible, the rules adopted under this section must allow for variation in Indiana with regard to population density, climate, and geology.

(b) Rules adopted under this section concerning incinerators used as hazardous waste facilities may establish requirements more stringent than the requirements for hazardous waste incinerators established by regulations adopted by the Administrator of the United States Environmental Protection Agency under the following statutes: