[Code of Federal Regulations]

[Title 40, Volume 29]

[Revised as of July 1, 2005]

From the U.S. Government Printing Office via GPO Access

[CITE: 40CFR469.22]



[Page 678]

 

                   TITLE 40--PROTECTION OF ENVIRONMENT

 

         CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)

 

PART 469_ELECTRICAL AND ELECTRONIC COMPONENTS POINT SOURCE CATEGORY

--Table of Contents

 

                Subpart B_Electronic Crystals Subcategory

 

Sec. 469.22  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 ``electronic crystals'' means crystals or crystalline 

material which because of their unique structural and electronic 

properties are used in electronic devices. Examples of these crystals 

are crystals comprised of quartz, ceramic, silicon, gallium arsenide, 

and idium arsenide.

    (c) The term ``manufacture of electronic crystals'' means the 

growing of crystals and/or the production of crystal wafers for use in 

the manufacture of electronic devices.



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