Wash. Admin. Code § 16-233-301
(1) Exemption for owners of agricultural establishments and their immediate families.
(a) On any agricultural establishment where a majority of the establishment is owned by one or more members of the same immediate family, the owner(s) of the establishment (and, where specified in the following, certain handlers) are not required to provide the protections of the following sections to themselves or members of their immediate family when they are performing handling activities or tasks related to the production of agricultural plants that would otherwise be covered by this chapter on their own agricultural establishment.
(v) WAC 16-233-111 (1)(b) and 16-233-211(2), but only in regard to owner(s) of the establishment and their immediate family members who remain inside closed buildings, housing, or shelters. This exception also applies to handlers (regardless of whether they are immediate family members) who have been expressly instructed by the owner(s) of the establishment that:
(2) Exemption for certified crop advisors. Certified crop advisors may make their own determination for the appropriate personal protective equipment for entry into a treated area during a restricted-entry interval and substitute their self-determined set of personal protective equipment for the labeling-required personal protective equipment, and the requirements of WAC 16-233-021 (5) and (6), 16-233-031(11), 16-233-206(1), 16-233-216, and 16-233-221 do not apply to certified crop advisors provided the application is complete and all of the following conditions are met:
[Statutory Authority: RCW 17.21.030(2), 17.21.440, and 15.58.040(2). WSR 26-09-109, s 16-233-301, filed 4/21/26, effective 6/1/26. Statutory Authority: RCW 15.58.040 and 17.21.030. WSR 20-21-029, § 16-233-301, filed 10/12/20, effective 11/12/20. Statutory Authority: RCW 15.58.040, 17.21.030 and chapter 34.05 RCW. WSR 18-01-054, § 16-233-301, filed 12/13/17, effective 1/13/18.]