Section 312IAC11-2-15. "Pea gravel" defined

   "Pea gravel" means rounded stone that satisfies each of the following conditions:

(1) Each stone passes through a one-half (½) inch or a twelve and one-half (12½) millimeter sieve.

(2) At least ninety-five percent (95%) of the stones pass through a three-eighths (⅜) inch sieve.

(3) Not more than eighty percent (80%) of the stones pass through a three-sixteenths (³/₁₆) inch (or a four and seventy-five hundredths (4.75) millimeter) sieve.

(4) Not more than thirty-five percent (35%) of the stones pass through a three thirty-seconds (³/₃₂ ) inch (or a two and thirty-six hundredths (2.36) millimeter) sieve.

(5) Not more than four percent (4%) of the stones pass through a one-fiftieth (¹/₅₀) inch (or a six hundred (600) micrometer) sieve.

(Natural Resources Commission; 312 IAC 11-2-15; filed Feb 26, 1999, 5:49 p.m.: 22 IR 2221; readopted filed Aug 4, 2005, 6:00 p.m.: 28 IR 3661; readopted filed Jul 28, 2011, 10:28 a.m.: 20110824-IR-312110042RFA)