Wis. Admin. Code Department of Natural Resources NR 149.20

Current through August 26, 2024

Section NR 149.20 - Requirements for whole effluent toxicity testing

All the following apply to laboratories accredited to perform whole effluent toxicity testing:

(1) ACUTE AND CHRONIC WHOLE EFFLUENT TOXICITY TESTING BY SPECIES. Laboratories analyzing whole effluents for acute and chronic toxicity for a given species shall follow the quality control requirements referenced in the "State of Wisconsin Aquatic Life Toxicity Testing Methods Manual," as updated.

Note: Links to the "State of Wisconsin Aquatic Life Toxicity Testing Methods Manual," can be found on the Wisconsin department of natural resources laboratory accreditation program website and are available for inspection at the offices of the department and the legislative reference bureau.

(2) ACCREDITATION REQUIREMENTS FOR CHEMICAL TESTING IN SUPPORT OF WHOLE EFFLUENT TOXICITY TESTING. Water chemistry testing performed in support of whole effluent toxicity testing for ammonia, alkalinity, hardness, pH, dissolved oxygen, conductivity, and total residual chlorine do not require separate accreditation under this chapter.

Wis. Admin. Code Department of Natural Resources NR 149.20

CR 06-005: cr. Register April 2008 No. 628, eff. 9-1-08.

Amended by, CR 17-046: cr. Register February 2021 No. 782, eff. 6/29/2021