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 264.11 - Specialized definitions
Current through August 26, 2024
The following definitions apply to the terms used in this subchapter:
(1) "Semiconductor" means a solid state electrical device which performs functions such as information processing and display, power handling, and interconversion between light energy and electrical energy.
(2) "TTO" means the sum of the concentrations of each of the following toxic organic compounds which is found in the discharge at a concentration greater than 10 micrograms per liter:
1, 2, 4 trichlorobenzene |
naphthalene |
chloroform |
2 nitrophenol |
1, 2 dichlorobenzene |
bis (2-ethylhexyl) phthalate |
1, 3 dichlorobenzene |
tetrachloroethylene |
1, 4 dichlorobenzene |
toluene |
ethylbenzene |
trichloroethylene |
1, 1, 1 trichloroethane |
2 chlorophenol |
methylene chloride |
2, 4 dichlorophenol |
4 nitrophenol |
1, 1 dichloroethylene |
pentachlorophenol |
2, 4, 6 trichlorophenol |
di-n-butyl phthalate |
carbon tetrachloride |
anthracene |
1, 2 dichloroethane |
1, 2 diphenylhydrazine |
1, 1, 2 trichloroethane |
isophorone |
dichlorobromomethane |
butyl benzyl phthalate |