Authority: IC 13-14-8-7; IC 13-15-1-2; IC 13-15-2-1; IC 13-18-3-1; IC 13-18-12- 4

Affected: IC 13-11-2; IC 13-12-3-1; IC 13-18; IC 13-30-2-1

Sec. 50. "Specific oxygen uptake rate" or "SOUR" means the mass of oxygen consumed per unit time per unit mass of percent total solids, dry weight basis, in the biosolid.

(Water Pollution Control Division; 327 IAC 6.1-2-50; filed May 15, 1998, 10:20 a.m.: 21 IR 3784; readopted filed Jan 10, 2001, 3:23 p.m.: 24 IR 1518; readopted filed Nov 21, 2007, 1:16 p.m.: 20071219-IR- 327070553BFA; readopted filed Jul 29, 2013, 9:21 a.m.: 20130828-IR-327130176BFA; readopted filed Jun 14, 2019, 1:59 p.m.: 20190710-IR-327190246BFA; readopted filed Oct 18, 2024, 1:57 p.m.: 20241113-IR-327230810RFA)