Wis. Admin. Code Department of Natural Resources NR 264.31

Current through October 28, 2024

Section NR 264.31 - Specialized definitions

The following definitions apply to the terms used in this subchapter:

(1) "Cathode ray tube" means an electronic device in which electrons focus through a vacuum to generate a controlled image on a luminescent surface.

(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, 1, 1 chloroform

trichloroethane

methylene chloride

bis (2-ethylhexyl) phthalate

toluene

trichloroethylene

Wis. Admin. Code Department of Natural Resources NR 264.31

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