All chemical toilets installed must be of a type approved by the commission. Containers must be charged with chemical solution of proper strength and their contents must be agitated daily with proper devices provided for that purpose. When containers are more than two-thirds full the contents must be disposed of in an approved manner. The stacks connecting the seats with the containers must be cleaned as often as is necessary to keep them in a clean and sanitary condition.
[Statutory Authority: RCW 81.04.160 and 80.01.040. 00-04-011 (Order No. R-469, Docket No. TR-981101), § 480-66-430, filed 1/21/00, effective 2/21/00.]