Section 230.49. Applicability; description of the oxygen and nitrogen subcategory.  


Latest version.
  • This subchapter applies to the discharge of pollutants to waters of the state and the introduction of pollutants into POTWs from the production of oxygen and nitrogen by air liquefaction.
History: Cr. Register, September, 1990, No. 417 , eff. 10-1-90.