Washington Revised Code Title 70A. Environmental Health and Safety § 70A.105.080. Additives--Unfair practices

(a) Make no claims relating to the elimination of the need for septic tank pumping or proper septic tank maintenance;

(b) List the components of additive products on the product label, along with information regarding instructions for use and precautions;

(c) Make no false statements, design, or graphic representation relative to an additive product that is inconsistent with RCW 70A.105.060, 70A.105.070, or this section; and

(d) Make no claims, either direct or implied, about the performance of the product based on state approval of its ingredients.