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 312IAC25-1-149. "Suspended solids or nonfilterable residue expressed as milligrams per liter" defined
Latest version.
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"Suspended solids or nonfilterable residue expressed as milligrams per liter" means organic or inorganic materials carried or held in suspension in water that are retained by a standard glass fiber filter in the procedure outlined by 40 CFR 136. (Natural Resources Commission; 312 IAC 25-1-149; filed Jun 21, 2001, 2:53 p.m.: 24 IR 3425, 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)