(1) By September 30, 2028, and before developing the report required in RCW 70A.226.020(6)(d), the department must convene and consult with an advisory committee of representatives from:

(a) The farming community;

(b) Toxicologists;

(c) Utilities that produce soil amendments, including special purpose districts, municipal utility providers, and public utility districts;

(d) Local governments;

(e) Experts;

(f) Interested parties; and

(g) Other similar stakeholders.

(2) The purpose of consultation required under this section is to ensure that the department is soliciting and receiving sufficient input on requirements and standards for sampling or testing biosolids for PFAS chemicals.

(3) For the purposes of this section, "biosolids" do not include septic tank sludge, also known as septage.