020-15 Wyo. Code R. § 7
(a) In accordance with 40 CFR Part 503.5, the United States Environmental Protection Agency on a case-by-case basis has the authority to impose requirements for the use or surface disposal of biosolids in addition to or more stringent than the requirements in Part 503 and this chapter when necessary to protect public health and the environment from any adverse effect of a pollutant in the biosolids. Similar authority is not provided to the Department of Environmental Quality, Water Quality Division.
(b) Nothing in this chapter precludes the United States Environmental Protection Agency from imposing requirements for the use or surface disposal of biosolids more stringent than the requirements in 40 CFR Part 503 or this chapter or from imposing additional requirements for the use or surface disposal of biosolids. Similar authority is not provided to the Water Quality Division, Department of Environmental Quality.
(c) The Department of Environmental Quality, Water Quality Division, in conjunction with EPA, may determine that a process is equivalent to the pathogen and vector attraction alternatives described in Section 31, Section 32 and Appendix B.
020-15 Wyo. Code R. § 7