OAR 340-050-0025
Limitations and Restricted Uses
(1)
Written authorization must be obtained from the Department prior to burial, containment or direct soil incorporation of raw and/or non-digested wastewater treatment facility solids.(2)
Biosolids or biosolids derived products shall not be given or sold to the public without their knowledge as to its origin. Biosolids analysis shall be available on request from the wastewater treatment facility.(3)
Biosolids land application to agricultural or forest land, or a public contact site, shall not exceed the nitrogen loading required (agronomic loading rate) for maximum crop yield.(4)
On a case-by-case basis, at reclamation sites, the Department may allow a single application of biosolids which is sufficient to supply enough organic matter to establish a vegetative cover. Application rates at these sites may exceed the short-term agronomic loading rate of the vegetation established.(5)
On a case-by-case basis, the Department may impose conditions or limitations for the beneficial use of biosolids or domestic septage which are more stringent than the requirements specifically contained in this Division where it considers additional requirements necessary to protect the public health and environment.
Source:
Rule 340-050-0025 — Limitations and Restricted Uses, https://secure.sos.state.or.us/oard/view.action?ruleNumber=340-050-0025.