“Sludge” means “sludge” as defined in 40 CFR 260.10, as reprinted in Appendix D.

Source. (See Revision Note #1 and Revision Note #2 at chapter heading for Env-Hw 100) #12343, eff 8-14-17; (formerly Env-Hw 104.44, renumbered by #12920) (See Revision Note #3 at chapter heading for Env-Hw 100); (formerly Env-Hw 104.45, renumbered by #13405) (See Revision Note #4 at chapter heading for Env-Hw 100) (formerly Env-Hw 104.49)