Wash. Admin. Code § 16-302-515
Field tolerances for the production of red clover seed are as follows:
| Field Producing* | |||
| Foundation | Certified | ||
| Other varieties | (Max.) | 0.00% | 0.50% |
| Alfalfa | (Max.) | None found | 0.50% |
| Sweet Clover | (Max.) | None found | 20 plants/acre |
| * | Prohibited noxious weeds must be controlled to prevent seed formation. |
[Statutory Authority: RCW 15.49.005, 15.49.081, 15.49.310, 15.49.370(3) and chapter 17.24 RCW. WSR 00-24-077, § 16-302-515, filed 12/4/00, effective 1/4/01.]