87 chapters · 1,258 sections in this title.
RCW 70A.226.005 Findings—Municipal sewage sludge as a beneficial commodity.
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(1) The legislature finds that: (a) Municipal sewage sludge is an unavoidable by-product of the wastewater treatment process; (b) Population growth and technological improvements in wastewater treatment processes will increase the production of biosolids in the future; (c) Sludge…
RCW 70A.226.007 Purpose—Federal requirements.
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The purpose of this chapter is to provide the department and local governments with the authority and direction to meet federal regulatory requirements for municipal sewage sludge. The department may seek delegation and administer the sludge permit program required by the federal…
RCW 70A.226.010 Definitions.
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The definitions in this section apply throughout this chapter unless the context clearly requires otherwise. (1) "Biosolids" means municipal sewage sludge that is a primarily organic, semisolid product resulting from the wastewater treatment process, that can be beneficially recy…
RCW 70A.226.020 Biosolid management program—Transportation of biosolids and sludge—PFAS chemical sampling requirements.
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(1) The department shall adopt rules to implement a biosolid management program within 12 months of the adoption of federal rules, 40 C.F.R. Part 503, relating to technical standards for the use and disposal of sewage sludge. The biosolid management program shall, at a minimum, c…