[Code of Federal Regulations]
[Title 40, Volume 18]
[Revised as of July 1, 2002]
From the U.S. Government Printing Office via GPO Access
[CITE: 40CFR129.4]

[Page 329]
 
                   TITLE 40--PROTECTION OF ENVIRONMENT
 
         CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)
 
PART 129--TOXIC POLLUTANT EFFLUENT STANDARDS--Table of Contents
 
     Subpart A--Toxic Pollutant Effluent Standards and Prohibitions
 
Sec. 129.4  Toxic pollutants.

    The following are the pollutants subject to regulation under the 
provisions of this subpart:
    (a) Aldrin/Dieldrin--Aldrin means the compound aldrin as identified 
by the chemical name, 1,2,3,4,10,10-hexachloro-1,4,4a,5,8,8a-hexahydro - 
1,4 -endo-5,8-exo-dimethanonaphthalene; ``Dieldrin'' means the compound 
the dieldrin as identified by the chemical name 1,2,3,4,10,10-
hexachloro-6,7 - epoxy - 1,4,4a,5,6,7,8,8a-octahydro-1,4-endo-5,8-exo-
dimethanonaphthalene.
    (b) DDT--DDT means the compounds DDT, DDD, and DDE as identified by 
the chemical names:(DDT)-1,1,1-trichloro-2,2 - bis(p -chlorophenyl) 
ethane and someo,p'-isomers; (DDD) or (TDE) -1,1 - dichloro - 2,2- 
bis(p-chlorophenyl) ethane and some o,p'-isomers; (DDE) - 1,1 - 
dichloro-2,2-bis(p-chlorophenyl) ethylene.
    (c) Endrin--Endrin means the compound endrin as identified by the 
chemical name 1,2,3,4,10,10-hexachloro-6,7-epoxy - 1,4,4a,5,6,7,8,8a - 
octahydro - 1,4-endo-5,8-endodimethanonaphthalene.
    (d) Toxaphene--Toxaphene means a material consisting of technical 
grade chlorinated camphene having the approximate formula of C10 
H10 Cl8 and normally containing 67-69 percent 
chlorine by weight.
    (e) Benzidine--Benzidine means the compound benzidine and its salts 
as identified by the chemical name 4,4'-diaminobiphenyl.
    (f) Polychlorinated Biphenyls (PCBs) polychlorinated biphenyls 
(PCBs) means a mixture of compounds composed of the biphenyl molecule 
which has been chlorinated to varying degrees.

[42 FR 2613, Jan. 12, 1977, as amended at 42 FR 2620, Jan. 12, 1977; 42 
FR 6555, Feb. 2, 1977]