WAC 16-302-335. Field inspection tolerances for grass seed certification

(1) Field tolerances for the production of foundation, registered or certified grass seed are as follows: Maximum other varieties permitted in fields producing: Foundation: 0% Registered: 0.5% Certified: 2% Foundation: 0% Registered: 0.5% Certified: 2% (2) Prohibited noxious weeds must be controlled to prevent seed formation.