Wisconsin Administrative Code
Department of Natural Resources
NR 200-299 - Environmental Protection Wisconsin Pollutant Discharge Elimination System
Chapter NR 264 - Electrical and electronic components
Subchapter I - Semiconductor Subcategory
Section NR 264.10 - Applicability; description of the semiconductor subcategory

This subchapter applies to the discharge of pollutants to waters of the state and the introduction of pollutants into POTWs from all process operations, beginning with the use of crystal wafers, which lead to or are associated with the manufacture of semiconductors, except sputtering, vapor deposition, and electroplating.