OAR 340-050-0032: Biosolids Facilities Plans and Specifications

(1) Plans and specifications for biosolids or domestic septage impoundments, reservoirs, tanks, or other containment structures proposed for storage may be required by the Department as part of an upgrade or as a permit or solids management plan approval condition. (2) Detailed plans and specifications for biosolids or septage composting facilities shall, at a minimum, meet requirements included under OAR 340-096-0020. (3) Plans and preliminary engineering reports must be submitted to the Department pursuant to OAR 340-052-0015. Written Department approval shall be obtained prior to the construction or use of biosolids or septage storage or composting facilities.