Wis. Admin. Code Department of Natural Resources NR 264.11

Current through October 28, 2024

Section NR 264.11 - Specialized definitions

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

Wis. Admin. Code Department of Natural Resources NR 264.11

Cr. Register, May, 1990, No. 413, eff. 6-1-90.