| Purity | Foundation | Registered | Certified | |
| Pure seed | (Min.) | 99.00% | 99.00% | 99.00% |
| Other crop and/or varieties | (Max.) |
9/lb |
9/lb |
18/lb |
| Inert matter | (Max.) | 1.00% | 1.00% | 1.00% |
| Weed seed | (Max.) | 91/lb | 91/lb | 181/lb |
| Prohibited noxious weeds (1) | None found |
None found |
None found |
|
| Objectionable weeds (2) | (Max.) | 5/lb | 9/lb | 18/lb |
| Chemical
analysis (3) |
||||
| Germination | (Min.) | 85.00% | 85.00% | 85.00% |
| Note: | |
| (1) | None found means none found during normal inspection procedures. None found is not a guarantee that the lot is free of noxious weed seeds. |
| (2) | Objectionable weed seeds are defined as restricted noxious listed in WAC 16-301-050 plus: Brassica nigra, Sinapis arvensis, Brassica juncea, and Raphanus raphanistrum. |
| (3) | Erucic acid content shall be less than 2% and glucosinolate content shall not be greater than thirty micromoles unless other tolerances are described by the plant breeder for each variety. |
| (4) | Erucic acid and glucosinolate analysis must be conducted on clean seed. |
| (5) | Erucic acid and glucosinolate analysis must be conducted at a WSDA approved laboratory. |