Indiana Administrative Code (Last Updated: December 20, 2016) |
Title 312. NATURAL RESOURCES COMMISSION |
Article 312IAC25. COAL MINING AND RECLAMATION OPERATIONS |
Rule 312IAC25-1. Definitions |
Section 312IAC25-1-154. "Toxic-forming materials" defined
Latest version.
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"Toxic-forming materials" means earth materials or wastes that, if acted upon by air, water, weathering, or microbiological processes, are likely to produce chemical or physical conditions in soils or water that are detrimental to biota or uses of water. (Natural Resources Commission; 312 IAC 25-1-154; filed Jun 21, 2001, 2:53 p.m.: 24 IR 3426, eff Dec 1, 2001; readopted filed May 29, 2007, 9:51 a.m.: 20070613-IR-312070146RFA; readopted filed Sep 19, 2013, 10:12 a.m.: 20131016-IR-312130125RFA)