Section 327IAC6.1-2-36. "Mean cell residence time" defined  


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  •    "Mean cell residence time" means solids retention time as determined in Chapter 9 of "Control of Pathogens and Vector Attraction in Sewage Sludge", EPA/625/R-92/013, December 1992. (Water Pollution Control Division; 327 IAC 6.1-2-36; filed May 15, 1998, 10:20 a.m.: 21 IR 3782; 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)