Authority: IC 15-16-2-44

Affected: IC 15-16-2

Sec. 12. "Gradient barrier" means a structure or feature that prevents runoff from entering surface waters.

(State Chemist of the State of Indiana; 355 IAC 8-2-12; filed Feb 16, 2012, 11:50 a.m.: 20120314-IR-355110364FRA; readopted filed Jul 5, 2018, 11:38 a.m.: 20180801-IR-355180129RFA; readopted filed Oct 11, 2024, 11:15 a.m.: 20241106-IR- 355230830RFA)