327 IAC 6.1-2-7
327 IAC 6.1-2-7 "Biosolid" defined
Cite as Ind. Admin. Code tit. 327, r. 6.1-2-7
Sec. 7. (a) "Biosolid" means solid, semisolid, or liquid residue generated during the treatment of domestic sewage in a treatment works.
Examples of biosolid include, but are not limited to, the following:
(1) Scum or solids removed in primary, secondary, or advanced wastewater treatment processes.
(2) A material derived from biosolid.
(3) An industrial waste product that contains domestic sewage or material under subdivision (1) or (2).
(b) Biosolid does not include ash generated during the firing of biosolid in a biosolid incinerator or grit and screenings generated during
preliminary treatment of domestic sewage in a treatment works.