Wash. Admin. Code § 296-99-070
You must ensure that the following grain stream processing equipment has an effective means of removing ferrous material from the incoming grain:
[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, and 49.17.060. WSR 17-16-132, § 296-99-070, filed 8/1/17, effective 9/1/17. Statutory Authority: Chapter 49.17 RCW. WSR 97-22-065, § 296-99-070, filed 11/3/97, effective 1/1/98; WSR 88-23-054 (Order 88-25), § 296-99-070, filed 11/14/88.]