A fertigation application must be visually inspected at least daily to ensure that system components are functioning properly. Specific applications due to location or product characteristics may require more frequent monitoring.
Wash. Admin. Code § 16-202-2019
Statutory Authority: Chapters 15.54, 15.58, and 17.21 RCW. 01-13-063, § 16-202-2019, filed 6/18/01, effective 11/9/01.