[Code of Federal Regulations]
[Title 40, Volume 27]
[Revised as ofJuly 1, 2003]
From the U.S. Government Printing Office via GPO Access
[CITE: 40CFR469.12]

[Page 676]
 
                   TITLE 40--PROTECTION OF ENVIRONMENT
 
         CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)
 
PART 469--ELECTRICAL AND ELECTRONIC COMPONENTS POINT SOURCE CATEGORY--Table of Contents
 
                  Subpart A--Semiconductor Subcategory
 
Sec. 469.12  Specialized definitions.

    The definitions in 40 CFR part 401 and the chemical analysis methods 
in 40 CFR part 136 apply to this subpart.

In addition,
    (a) The term ``total toxic organics (TTO)'' means the sum of the 
concentrations for each of the following toxic organic compounds which 
is found in the discharge at a concentration greater than ten (10) 
micrograms per liter:

1,2,4 Trichlorobenzene chloroform
1,2 Dichlorobenzene
1,3, Dichlorobenzene
1,4, Dichlorobenzene ethylbenzene
1,1,1 Trichloroethane methylene chloride naphthalene
2 Nitrophenol phenol bis (2-ethylhexyl) phthalate tetrachloroethylene 
toluene trichloroethylene
2 Chlorophenol
2,4 Dichlorophenol
4 Nitrophenol pentachlorophenol di-n-butyl phthalate anthracene
1,2 Diphenylhydrazine isophorone butyl benzyl pthalate
1,1 Dichloroethylene
2,4,6 Trichlorophenol carbon tetrachloride
1,2 Dichloroethane
1,1,2 Trichloroethane dichlorobromomethane

    (b) The term ``semiconductors'' means solid state electrical devices 
which perform functions such as information processing and display, 
power handling, and interconversion between light energy and electrical 
energy.
    (c) The term ``manufacture of semiconductors'' means those 
processes, beginning with the use of crystal wafers, which lead to or 
are associated with the manufacture of semiconductor devices.

[48 FR 15394, Apr. 8, 1983, as amended at 48 FR 45250, Oct. 4, 1983]