Numerical count may be used to determine percent of grade tolerances.
Wash. Admin. Code § 16-406-020
Statutory Authority: Chapters 15.17 and 34.05 RCW. 05-12-036, § 16-406-020, filed 5/25/05, effective 6/25/05. Statutory Authority: Chapter 15.17 RCW. 99-17-003, § 16-406-020, filed 8/4/99, effective 9/4/99; Order 1015, Regulation B, filed 4/29/66; Order 771, effective 4/28/58.