Washington Administrative Code
Title 173 - Ecology, Department of (See also Titles 197, 317, 372, and 508)
Chapter 173-205 - Whole effluent toxicity testing and limits
Section 173-205-130 - Performance-based limits for acute whole effluent toxicity
Current through Register Vol. 24-06, March 15, 2024
(1) In accordance with RCW 90.48.520 and 40 C.F.R. 122.44(e), the department shall evaluate all applications for an NPDES permit to determine whether the applicant is applying all known, available, and reasonable methods of prevention, control, and treatment of toxicants.
(2) The department may place the whole effluent toxicity performance standard for acute toxicity into permits as a limit on a case-by-case basis pursuant to 40 C.F.R. § 125.3(d)(3).
(3) The department may establish performance-based limits for whole effluent toxicity for an entire category of dischargers. Any such limit applied to an entire category of dischargers shall be accomplished by rule making.
Statutory Authority: Chapter 90.48 RCW and 40 C.F.R. 122.44. 93-20-110 (Order 91-54), § 173-205-130, filed 10/6/93, effective 11/6/93.