Wash. Admin. Code § 16-302-310
Seed inspection and standards for hybrid corn seed certification are as follows:
| (1) | Genetic Purity | Standard Certified Class |
| Other varieties and off-types (maximum) | 0.50% | |
| Off-textured kernels in opaque 2, flowery 2 and waxy (maximum) | 1.00% | |
| (2) | Quality Purity | Standards |
| Pure seed (minimum) | 98.00% | |
| Total other crops - including other varieties (maximum) | 0.50% | |
| Total weed seed (maximum) | None found | |
| Total inert matter (maximum) | 2.00% | |
| Germination (minimum) | 90.00% | |
| Moisture (maximum) | 14.00% |
[Statutory Authority: RCW 15.49.005, [15.49].021, [15.49].310, [15.49].370, 15.140.030, and chapter 15.49 RCW. WSR 25-09-035, s 16-302-310, filed 4/9/25, effective 5/10/25. 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, § 16-302-310, filed 12/4/00, effective 1/4/01.]