Section 173-308-140. Biosolids sampling and analytical methods.  


Latest version.
  • (1) Sampling. Samples that are collected and analyzed must be representative of the biosolids that are applied to the land.
    (2) Analytical methods.
    (a) The most current version of the publications listed in this subsection are incorporated by reference. These publications are available for review during normal working hours at the Washington State Department of Ecology headquarters located at 300 Desmond Drive in Olympia, Washington. Copies may be obtained from the standard producer or publisher.
    (b) Unless otherwise stipulated by the department, the following methods (or methods in 40 C.F.R. Part 136 or 40 C.F.R. Part 503) must be used to analyze samples of biosolids or sewage sludge.
    ANALYTICAL METHODS
    [Statutory Authority: Chapters 70.95J and 70.95 RCW. WSR 07-12-010 (Order 06-06), § 173-308-140, filed 5/24/07, effective 6/24/07. Statutory Authority: RCW 70.95J.020 and 70.95.255. WSR 98-05-101 (Order 97-30), § 173-308-140, filed 2/18/98, effective 3/21/98.]
Chapters 70.95J and 70.95 RCW. WSR 07-12-010 (Order 06-06), § 173-308-140, filed 5/24/07, effective 6/24/07. Statutory Authority: RCW 70.95J.020 and 70.95.255. WSR 98-05-101 (Order 97-30), § 173-308-140, filed 2/18/98, effective 3/21/98.