PDFWAC 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% |
(2) Prohibited noxious weeds must be controlled to prevent seed formation.