Section 253.14. Pretreatment standards for existing sources. Except as provided in ss. NR 211.13 and 211.14, any existing source subject to this subchapter which introduces pollutants into a POTW shall comply with ch. NR 211 and achieve the following PSES:  


Latest version.
Cr. Register, May, 1989, No. 401 , eff. 6-1-89.