Mixing zones shall be established in accordance with “Technical Support Document for Water Quality-based Toxics Control”, EPA/505/2-90-001, dated March 1991, available as noted in Appendix B.

Source. (See Revision Notes #1, #2, and #3 at chapter heading for Env-Wq 1700) #12042, eff 12-1-16; ss by #14203, eff 2-26-25