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

Universal Citation: WI Admin Code ยง NR 264.11

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

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