[Code of Federal Regulations] [Title 40, Volume 24] [Revised as of July 1, 2006] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR258.75] [Page 439-444] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 258_CRITERIA FOR MUNICIPAL SOLID WASTE LANDFILLS--Table of Contents Subpart G_Financial Assurance Criteria Sec. 258.75 Discounting. The Director of an approved State may allow discounting of closure cost estimates in Sec. 258.71(a), post-closure cost estimates in Sec. 258.72(a), and/or corrective action costs in Sec. 258.73(a) up to the rate of return for essentially risk free investments, net of inflation, under the following conditions: (a) The State Director determines that cost estimates are complete and accurate and the owner or operator has submitted a statement from a Registered Professional Engineer so stating; (b) The State finds the facility in compliance with applicable and appropriate permit conditions; (c) The State Director determines that the closure date is certain and the owner or operator certifies that there are no foreseeable factors that will change the estimate of site life; and (d) Discounted cost estimates must be adjusted annually to reflect inflation and years of remaining life. [61 FR 60339, Nov. 27, 1996] Appendix I to Part 258--Constituents for Detection Monitoring ------------------------------------------------------------------------ Common name \1\ CAS RN \2\ ------------------------------------------------------------------------ Inorganic Constituents: (1) Antimony.............................. (Total) (2) Arsenic............................... (Total) (3) Barium................................ (Total) (4) Beryllium............................. (Total) (5) Cadmium............................... (Total) (6) Chromium.............................. (Total) (7) Cobalt................................ (Total) (8) Copper................................ (Total) (9) Lead.................................. (Total) (10) Nickel............................... (Total) (11) Selenium............................. (Total) (12) Silver............................... (Total) (13) Thallium............................. (Total) (14) Vanadium............................. (Total) (15) Zinc................................. (Total) Organic Constituents: (16) Acetone.............................. 67-64-1 (17) Acrylonitrile........................ 107-13-1 (18) Benzene.............................. 71-43-2 (19) Bromochloromethane................... 74-97-5 (20) Bromodichloromethane................. 75-27-4 (21) Bromoform; Tribromomethane........... 75-25-2 (22) Carbon disulfide..................... 75-15-0 (23) Carbon tetrachloride................. 56-23-5 (24) Chlorobenzene........................ 108-90-7 (25) Chloroethane; Ethyl chloride......... 75-00-3 (26) Chloroform; Trichloromethane......... 67-66-3 (27) Dibromochloromethane; 124-48-1 Chlorodibromomethane. (28) 1,2-Dibromo-3-chloropropane; DBCP.... 96-12-8 (29) 1,2-Dibromoethane; Ethylene 106-93-4 dibromide; EDB. (30) o-Dichlorobenzene; 1,2- 95-50-1 Dichlorobenzene. (31) p-Dichlorobenzene; 1,4- 106-46-7 Dichlorobenzene. (32) trans-1, 4-Dichloro-2-butene......... 110-57-6 (33) 1,1-Dichlorethane; Ethylidene 75-34-3 chloride. (34) 1,2-Dichlorethane; Ethylene 107-06-2 dichloride. (35) 1,1-Dichloroethylene; 1,1- 75-35-4 Dichloroethene; Vinylidene chloride. (36) cis-1,2-Dichloroethylene; cis-1,2- 156-59-2 Dichloroethene. (37) trans-1, 2-Dichloroethylene; trans- 156-60-5 1,2-Dichloroethene. (38) 1,2-Dichloropropane; Propylene 78-87-5 dichloride. [[Page 440]] (39) cis-1,3-Dichloropropene.............. 10061-01-5 (40) trans-1,3-Dichloropropene............ 10061-02-6 (41) Ethylbenzene......................... 100-41-4 (42) 2-Hexanone; Methyl butyl ketone...... 591-78-6 (43) Methyl bromide; Bromomethane......... 74-83-9 (44) Methyl chloride; Chloromethane....... 74-87-3 (45) Methylene bromide; Dibromomethane.... 74-95-3 (46) Methylene chloride; Dichloromethane.. 75-09-2 (47) Methyl ethyl ketone; MEK; 2-Butanone. 78-93-3 (48) Methyl iodide; Idomethane............ 74-88-4 (49) 4-Methyl-2-pentanone; Methyl isobutyl 108-10-1 ketone. (50) Styrene.............................. 100-42-5 (51) 1,1,1,2-Tetrachloroethane............ 630-20-6 (52) 1,1,2,2-Tetrachloroethane............ 79-34-5 (53) Tetrachloroethylene; 127-18-4 Tetrachloroethene; Perchloroethylene. (54) Toluene.............................. 108-88-3 (55) 1,1,1-Trichloroethane; 71-55-6 Methylchloroform. (56) 1,1,2-Trichloroethane................ 79-00-5 (57) Trichloroethylene; Trichloroethene... 79-01-6 (58) Trichlorofluoromethane; CFC-11....... 75-69-4 (59) 1,2,3-Trichloropropane............... 96-18-4 (60) Vinyl acetate........................ 108-05-4 (61) Vinyl chloride....................... 75-01-4 (62) Xylenes.............................. 1330-20-7 ------------------------------------------------------------------------ \1\ Common names are those widely used in government regulations, scientific publications, and commerce; synonyms exist for many chemicals. \2\ Chemical Abstract Service registry number. Where ``Total'' is entered, all species in the ground water that contain this element are included. [70 FR 34555, June 14, 2005; 70 FR 44150, Aug. 1, 2005] Appendix II to Part 258--List of Hazardous Inorganic and Organic Constituents ------------------------------------------------------------------------ Chemical abstracts Common name \1\ CAS RN \2\ service index name \3\ ------------------------------------------------------------------------ Acenaphthene.................... 83-32-9...... Acenaphthylene, 1,2- dihydro- Acenaphthylene.................. 208-96-8..... Acenaphthylene Acetone......................... 67-64-1...... 2-Propanone Acetonitrile; Methyl cyanide.... 75-05-8...... Acetonitrile Acetophenone.................... 98-86-2...... Ethanone, 1-phenyl- 2-Acetylaminofluorene; 2-AAF.... 53-96-3...... Acetamide, N-9H-fluoren- 2-yl- Acrolein........................ 107-02-8..... 2-Propenal Acrylonitrile................... 107-13-1..... 2-Propenenitrile Aldrin.......................... 309-00-2..... 1,4:5,8- Dimethanonaphthalene, 1,2,3,4,10,10- hexachloro- 1,4,4a,5,8,8a- hexahydro- (1,4,4a,5,8,8a)- Allyl chloride.................. 107-05-1..... 1-Propene, 3-chloro- 4-Aminobiphenyl................. 92-67-1...... [1,1'-Biphenyl]-4-amine Anthracene...................... 120-12-7..... Anthracene Antimony........................ (Total)...... Antimony Arsenic......................... (Total)...... Arsenic Barium.......................... (Total)...... Barium Benzene......................... 71-43-2...... Benzene Benzo[a]anthracene; 56-55-3...... Benz[a]anthracene Benzanthracene. Benzo[b]fluoranthene............ 205-99-2..... Benz[e]acephenanthrylen e Benzo[k]fluoranthene............ 207-08-9..... Benzo[k]fluoranthene Benzo[ghi]perylene.............. 191-24-2..... Benzo[ghi]perylene Benzo[a]pyrene.................. 50-32-8...... Benzo[a]pyrene Benzyl alcohol.................. 100-51-6..... Benzenemethanol Beryllium....................... (Total)...... Beryllium alpha-BHC....................... 319-84-6..... Cyclohexane, 1,2,3,4,5,6-hexachloro- ,(1[alpha],2[alpha],3[ beta],4[alpha],5[beta] ,6[beta])- beta-BHC........................ 319-85-7..... Cyclohexane, 1,2,3,4,5,6-hexachloro- ,(1[alpha],2[beta],3[a lpha],4[beta],5[alpha] ,6[beta])- delta-BHC....................... 319-86-8..... Cyclohexane, 1,2,3,4,5,6-hexachloro- ,(1[alpha],2[alpha],3[ alpha],4[beta],5[alpha ],6[beta])- gamma-BHC; Lindane.............. 58-89-9...... Cyclohexane, 1,2,3,4,5,6- hexachloro- ,(1[alpha],2[alpha], 3[beta], 4[alpha],5[alpha],6[be ta])- Bis(2-chloroethoxy)methane...... 111-91-1..... Ethane, 1,1'- [methylenebis (oxy)]bis [2-chloro- Bis(2-chloroethyl)ether; 111-44-4..... Ethane, 1,1'-oxybis[2- Dichloroethyl ether. chloro- Bis(2-chloro-1-methylethyl) 108-60-1..... Propane, 2,2'-oxybis[1- ether; 2,2'-Dichlorodiisopropyl chloro- ether; DCIP, See footnote 4. Bis(2-ethylhexyl) phthalate..... 117-81-7..... 1,2-Benzenedicarboxylic acid, bis(2- ethylhexyl)ester Bromochloromethane; 74-97-5...... Methane, bromochloro- Chlorobromethane. Bromodichloromethane; 75-27-4...... Methane, bromodichloro- Dibromochloromethane. [[Page 441]] Bromoform; Tribromomethane...... 75-25-2...... Methane, tribromo- 4-Bromophenyl phenyl ether...... 101-55-3..... Benzene, 1-bromo-4- phenoxy- Butyl benzyl phthalate; Benzyl 85-68-7...... 1,2-Benzenedicarboxylic butyl phthalate. acid, butyl phenylmethyl ester Cadmium......................... (Total)...... Cadmium Carbon disulfide................ 75-15-0...... Carbon disulfide Carbon tetrachloride............ 56-23-5...... Methane, tetrachloro- Chlordane....................... See footnote 4,7-Methano-1H-indene, 5. 1,2,4,5,6,7,8,8- octachloro- 2,3,3a,4,7,7a- hexahydro- p-Chloroaniline................. 106-47-8..... Benzenamine, 4-chloro- Chlorobenzene................... 108-90-7..... Benzene, chloro- Chlorobenzilate................. 510-15-6..... Benzeneacetic acid, 4- chloro- -(4-chlorophenyl)- -hydroxy-, ethyl ester. p-Chloro-m-cresol; 4-Chloro-3- 59-50-7...... Phenol, 4-chloro-3- methylphenol. methyl- Chloroethane; Ethyl chloride.... 75-00-3...... Ethane, chloro- Chloroform; Trichloromethane.... 67-66-3...... Methane, trichloro- 2-Chloronaphthalene............. 91-58-7...... Naphthalene, 2-chloro- 2-Chlorophenol.................. 95-57-8...... Phenol, 2-chloro- 4-Chlorophenyl phenyl ether..... 7005-72-3.... Benzene, 1-chloro-4- phenoxy- Chloroprene..................... 126-99-8..... 1,3-Butadiene, 2-chloro- Chromium........................ (Total)...... Chromium Chrysene........................ 218-01-9..... Chrysene Cobalt.......................... (Total)...... Cobalt Copper.......................... (Total)...... Copper m-Cresol; 3-Methylphenol........ 108-39-4..... Phenol, 3-methyl- o-Cresol; 2-Methylphenol........ 95-48-7...... Phenol, 2-methyl- p-Cresol; 4-Methylphenol........ 106-44-5..... Phenol, 4-methyl- Cyanide......................... 57-12-5...... Cyanide 2,4-D; 2,4-Dichlorophenoxyacetic 94-75-7...... Acetic acid, (2,4- acid. dichlorophenoxy)- 4,4'-DDD........................ 72-54-8...... Benzene 1,1'-(2,2- dichloroethylidene) bis[4-chloro- 4,4'-DDE........................ 72-55-9...... Benzene, 1,1'- (dichloroethenylidene) bis[4-chloro- 4,4'-DDT........................ 50-29-3...... Benzene, 1,1'-(2,2,2- trichloroethylidene) bis[4-chloro- Diallate........................ 2303-16-4.... Carbamothioic acid, bis(1-methylethyl)-, S- (2,3-dichloro-2- propenyl) ester. Dibenz[a,h]anthracene........... 53-70-3...... Dibenz[a,h]anthracene Dibenzofuran.................... 132-64-9..... Dibenzofuran Dibromochloromethane; 124-48-1..... Methane, dibromochloro- Chlorodibromomethane. 1,2-Dibromo-3-chloropropane; 96-12-8...... Propane, 1,2-dibromo-3- DBCP. chloro- 1,2-Dibromoethane; Ethylene 106-93-4..... Ethane, 1,2-dibromo- dibromide; EDB. Di-n-butyl phthalate............ 84-74-2...... 1,2-Benzenedicarboxylic acid, dibutyl ester o-Dichlorobenzene; 1,2- 95-50-1...... Benzene, 1,2-dichloro- Dichlorobenzene. m-Dichlorobenzene; 1,3- 541-73-1..... Benzene, 1,3-dichloro- Dichlorobenzene. p-Dichlorobenzene; 1,4- 106-46-7..... Benzene, 1,4-dichloro- Dichlorobenzene. 3,3'-Dichlorobenzidine.......... 91-94-1...... [1,1'-Biphenyl]-4,4'- diamine, 3,3'-dichloro- trans-1,4-Dichloro-2-butene..... 110-57-6..... 2-Butene, 1,4-dichloro- , (E)- Dichlorodifluoromethane; CFC 12. 75-71-8...... Methane, dichlorodifluoro- 1,1-Dichloroethane; Ethyldidene 75-34-3...... Ethane, 1,1-dichloro- chloride. 1,2-Dichloroethane; Ethylene 107-06-2..... Ethane, 1,2-dichloro- dichloride. 1,1-Dichloroethylene; 1,1- 75-35-4...... Ethene, 1,1-dichloro- Dichloroethene; Vinylidene chloride cis-1,2- 156-59-2..... Ethene, 1,2-dichloro- Dichloroethylene; cis-1,2- (Z)- Dichloroethene. trans-1,2-Dichloroethylene; 156-60-5..... Ethene, 1,2-dichloro-, trans-1,2-Dichloroethene. (E)- 2,4-Dichlorophenol.............. 120-83-2..... Phenol, 2,4-dichloro- 2,6-Dichlorophenol.............. 87-65-0...... Phenol, 2,6-dichloro- 1,2-Dichloropropane............. 78-87-5...... Propane, 1,2-dichloro- 1,3-Dichloropropane; 142-28-9..... Propane, 1,3-dichloro- Trimethylene dichloride. 2,2-Dichloropropane; 594-20-7..... Propane, 2,2-dichloro- Isopropylidene chloride. 1,1-Dichloropropene............. 563-58-6..... 1-Propene, 1,1-dichloro- cis-1,3-Dichloropropene......... 10061-01-5... 1-Propene, 1,3-dichloro- , (Z)- trans-1,3-Dichloropropene....... 10061-02-6... 1-Propene, 1,3-dichloro- , (E)- Dieldrin........................ 60-57-1...... 2,7:3,6-Dimethanonaphth [2,3-b]oxirene, 3,4,5,6,9,9-hexachloro- 1a,2,2a,3,6,6a,7,7a- octahydro-, (1a[alpha],2[beta],2a[ alpha],3[beta],6[beta] ,6a[alpha],7[beta],7a[ alpha])- Diethyl phthalate............... 84-66-2...... 1,2-Benzenedicarboxylic acid, diethyl ester O,O-Diethyl O-2-pyrazinyl 297-97-2..... Phosphorothioic acid, phosphorothioate; Thionazin. O,O-diethyl O- pyrazinyl ester. Dimethoate...................... 60-51-5...... Phosphorodithioic acid, O,O-dimethyl S-[2- (methylamino)-2- oxoethyl] ester p-(Dimethylamino)azobenzene..... 60-11-7...... Benzenamine, N,N- dimethyl-4-(phenylazo)- 7,12-Dimethylbenz[a]anthracene.. 57-97-6...... Benz[a]anthracene, 7,12- dimethyl- 3,3'-Dimethylbenzidine.......... 119-93-7..... [1,1'-Biphenyl]-4,4'- diamine, 3,3'-dimethyl- alpha, alpha- 122-09-8..... Benzeneethanamine, Dimethylphenethylamine. [alpha],[alpha]- dimethyl- 2,4-Dimethylphenol; m-Xylenol... 105-67-9..... Phenol, 2,4-dimethyl- [[Page 442]] Dimethyl phthalate.............. 131-11-3..... 1,2-Benzenedicarboxylic acid, dimethyl ester m-Dinitrobenzene................ 99-65-0...... Benzene, 1,3-dinitro- 4,6-Dinitro-o-cresol; 4,6- 534-52-1..... Phenol, 2-methyl-4,6- Dinitro-2-methylphenol. dinitro- 2,4-Dinitrophenol............... 51-28-5...... Phenol, 2,4-dinitro- 2,4-Dinitrotoluene.............. 121-14-2..... Benzene, 1-methyl-2,4- dinitro- 2,6-Dinitrotoluene.............. 606-20-2..... Benzene, 2-methyl-1,3- dinitro- Dinoseb; DNBP; 2-sec-Butyl-4,6- 88-85-7...... Phenol, 2-(1- dinitrophenol. methylpropyl)-4,6- dinitro- Di-n-octyl phthalate............ 117-84-0..... 1,2-Benzenedicarboxylic acid, dioctyl ester Diphenylamine................... 122-39-4..... Benzenamine, N-phenyl- Disulfoton...................... 298-04-4..... Phosphorodithioic acid, O,O-diethyl S-[2- (ethylthio)ethyl] ester Endosulfan I.................... 959-98-8..... 6,9-Methano-2,4,3- benzodiox-athiepin, 6,7,8,9,10,10- hexachloro- 1,5,5a,6,9,9a- hexahydro-, 3-oxide, Endosulfan II................... 33213-65-9... 6,9-Methano-2,4,3- benzodioxathiepin, 6,7,8,9,10,10- hexachloro- 1,5,5a,6,9,9a- hexahydro-, 3-oxide, (3[alpha],5a[alpha],6[ beta],9[beta], 9a[alpha])- Endosulfan sulfate.............. 1031-07-8.... 6,9-Methano-2,4,3- benzodioxathiepin, 6,7,8,9,10,10- hexachloro- 1,5,5a,6,9,9a- hexahydro-, 3,3- dioxide Endrin.......................... 72-20-8...... 2,7:3,6- Dimethanonaphth[2,3- b]oxirene, 3,4,5,6,9,9- hexachloro- 1a,2,2a,3,6,6a,7,7a- octahydro-, (1a[alpha], 2[beta],2a[beta], 3[alpha],6[alpha],6a[b eta],7[beta],7a[alpha] )- Endrin aldehyde................. 7421-93-4.... 1,2,4-Methenocyclo- penta[cd]pentalene-5- carboxaldehyde,2,2a,3, 3,4,7- hexachlorodecahydro- (1[alpha],2[beta],2a[b eta],4[beta],4a[beta], 5[beta],6a[beta],6b[be ta],7R*)- Ethylbenzene.................... 100-41-4..... Benzene, ethyl- Ethyl methacrylate.............. 97-63-2...... 2-Propenoic acid, 2- methyl-, ethyl ester Ethyl methanesulfonate.......... 62-50-0...... Methanesulfonic acid, ethyl ester Famphur......................... 52-85-7...... Phosphorothioic acid, O- [4- [(dimethylamino)sulfon yl]phenyl]-O,O- dimethyl ester Fluoranthene.................... 206-44-0..... Fluoranthene Fluorene........................ 86-73-7...... 9H-Fluorene Heptachlor...................... 76-44-8...... 4,7-Methano-1H- indene,1,4,5,6,7,8,8- heptachloro-3a,4,7,7a- tetrahydro- Heptachlor epoxide.............. 1024-57-3.... 2,5-Methano-2H- indeno[1,2-b]oxirene, 2,3,4,5,6,7,7- heptachloro- 1a,1b,5,5a,6,6a,- hexahydro- ,(1a[alpha],1b[beta],2 [alpha],5[alpha],5a[be ta],6[beta],6a[alpha]) Hexachlorobenzene............... 118-74-1..... Benzene, hexachloro- Hexachlorobutadiene............. 87-68-3...... 1,3-Butadiene, 1,1,2,3,4,4-hexachloro- Hexachlorocyclopentadiene....... 77-47-4...... 1,3-Cyclopentadiene, 1,2,3,4,5,5-hexachloro- Hexachloroethane................ 67-72-1...... Ethane, hexachloro- Hexachloropropene............... 1888-71-7.... 1-Propene, 1,1,2,3,3,3- hexachloro- 2-Hexanone; Methyl butyl ketone. 591-78-6..... 2-Hexanone Indeno(1,2,3-cd)pyrene.......... 193-39-5..... Indeno[1,2,3-cd]pyrene Isobutyl alcohol................ 78-83-1...... 1-Propanol, 2-methyl- Isodrin......................... 465-73-6..... 1,4,5,8- Dimethanonaphthalene,1 ,2,3,4,1 0,10- hexachloro- 1,4,4a,5,8,8a hexahydro-(1[alpha], 4[alpha], 4a[beta],5[beta],8[bet a],8a[beta])- Isophorone...................... 78-59-1...... 2-Cyclohexen-1-one, 3,5,5-trimethyl- Isosafrole...................... 120-58-1..... 1,3-Benzodioxole, 5-(1- propenyl)- Kepone.......................... 143-50-0..... 1,3,4-Metheno-2H- cyclobuta-[cd]pentalen- 2-one, 1,1a,3,3a,4,5,5,5a,5b, 6-decachlorooctahydro- Lead............................ (Total)...... Lead Mercury......................... (Total)...... Mercury Methacrylonitrile............... 126-98-7..... 2-Propenenitrile, 2- methyl- Methapyrilene................... 91-80-5...... 1,2,Ethanediamine, N,N- dimethyl-N'-2- pyridinyl-N'-(2- thienylmethyl)- Methoxychlor.................... 72-43-5...... Benzene, 1,1'- (2,2,2,trichloroethyli dene)bis [4-methoxy- Methyl bromide; Bromomethane.... 74-83-9...... Methane, bromo- Methyl chloride; Chloromethane.. 74-87-3...... Methane, chloro- 3-Methylcholanthrene............ 56-49-5...... Benz[j]aceanthrylene, 1,2-dihydro-3-methyl- Methyl ethyl ketone; MEK; 2- 78-93-3...... 2-Butanone Butanone. Methyl iodide; Iodomethane...... 74-88-4...... Methane, iodo- Methyl methacrylate............. 80-62-6...... 2-Propenoic acid, 2- methyl-, methyl ester Methyl methanesulfonate......... 66-27-3...... Methanesulfonic acid, methyl ester 2-Methylnaphthalene............. 91-57-6...... Naphthalene, 2-methyl- Methyl parathion; Parathion 298-00-0..... Phosphorothioic acid, methyl. O,O-dimethyl 4-Methyl-2-pentanone; Methyl 108-10-1..... 2-Pentanone, 4-methyl- isobutyl ketone. Methylene bromide; 74-95-3...... Methane, dibromo- Dibromomethane. Methylene chloride; 75-09-2...... Methane, dichloro- Dichloromethane. Naphthalene..................... 91-20-3...... Naphthalene 1,4-Naphthoquinone.............. 130-15-4..... 1,4-Naphthalenedione 1-Naphthylamine................. 134-32-7..... 1-Naphthalenamine 2-Naphthylamine................. 91-59-8...... 2-Naphthalenamine Nickel.......................... (Total)...... Nickel [[Page 443]] o-Nitroaniline; 2-Nitroaniline.. 88-74-4...... Benzenamine, 2-nitro- m-Nitroaniline; 3-Nitroaniline.. 99-09-2...... Benzenamine, 3-nitro- p-Nitroaniline; 4-Nitroaniline.. 100-01-6..... Benzenamine, 4-nitro- Nitrobenzene.................... 98-95-3...... Benzene, nitro- o-Nitrophenol; 2-Nitrophenol.... 88-75-5...... Phenol, 2-nitro- p-Nitrophenol; 4-Nitrophenol.... 100-02-7..... Phenol, 4-nitro- N-Nitrosodi-n-butylamine........ 924-16-3..... 1-Butanamine, N-butyl-N- nitroso- N-Nitrosodiethylamine........... 55-18-5...... Ethanamine, N-ethyl-N- nitroso- N-Nitrosodimethylamine.......... 62-75-9...... Methanamine, N-methyl-N- nitroso- N-Nitrosodiphenylamine.......... 86-30-6...... Benzenamine, N-nitroso- N-phenyl- N-Nitrosodipropylamine; N- 621-64-7..... 1-Propanamine, N- Nitroso-N-dipropylamine; Di-n- nitroso-N-propyl- propylnitrosamine. N-Nitrosomethylethalamine....... 10595-95-6... Ethanamine, N-methyl-N- nitroso- N-Nitrosopiperidine............. 100-75-4..... Piperidine, 1-nitroso- N-Nitrosopyrrolidine............ 930-55-2..... Pyrrolidine, 1-nitroso- 5-Nitro-o-toluidine............. 99-55-8...... Benzenamine, 2-methyl-5- nitro- Parathion....................... 56-38-2...... Phosphorothioic acid, O,O-diethyl-O-(4- nitrophenyl) ester Pentachlorobenzene.............. 608-93-5..... Benzene, pentachloro- Pentachloronitrobenzene......... 82-68-8...... Benzene, pentachloronitro- Pentachlorophenol............... 87-86-5...... Phenol, pentachloro- Phenacetin...................... 62-44-2...... Acetamide, N-(4- ethoxyphenyl) Phenanthrene.................... 85-01-8...... Phenanthrene Phenol.......................... 108-95-2..... Phenol p-Phenylenediamine.............. 106-50-3..... 1,4-Benzenediamine Phorate......................... 298-02-2..... Phosphorodithioic acid, O,O-diethyl S- [(ethylthio)methyl] ester Polychlorinated biphenyls; PCBs. See footnote 1,1'-Biphenyl, chloro 6. derivatives Pronamide....................... 23950-58-5... Benzamide, 3,5-dichloro- N-(1,1-dimethyl-2- propynyl)- Propionitrile; Ethyl cyanide.... 107-12-0..... Propanenitrile Pyrene.......................... 129-00-0..... Pyrene Safrole......................... 94-59-7...... 1,3-Benzodioxole, 5-(2- propenyl)- Selenium........................ (Total)...... Selenium Silver.......................... (Total)...... Silver Silvex; 2,4,5-TP................ 93-72-1...... Propanoic acid, 2- (2,4,5- trichlorophenoxy)- Styrene......................... 100-42-5..... Benzene, ethenyl- Sulfide......................... 18496-25-8... Sulfide 2,4,5-T; 2,4,5- 93-76-5...... Acetic acid, (2,4,5- Trichlorophenoxyacetic acid. trichlorophenoxy)- 2,3,7,8-TCDD; 2,3,7,8- 1746-01-6.... Dibenzo[b,e][1,4]dioxin Tetrachlorodibenzo- p-dioxin. , 2,3,7,8-tetrachloro- 1,2,4,5-Tetrachlorobenzene...... 95-94-3...... Benzene, 1,2,4,5- tetrachloro- 1,1,1,2-Tetrachloroethane....... 630-20-6..... Ethane, 1,1,1,2- tetrachloro- 1,1,2,2-Tetrachloroethane....... 79-34-5...... Ethane, 1,1,2,2- tetrachloro- Tetrachloroethylene; 127-18-4..... Ethene, tetrachloro- Tetrachloroethene; Perchloroethylene. 2,3,4,6-Tetrachlorophenol....... 58-90-2...... Phenol, 2,3,4,6- tetrachloro- Thallium........................ (Total)...... Thallium Tin............................. (Total)...... Tin Toluene......................... 108-88-3..... Benzene, methyl- o-Toluidine..................... 95-53-4...... Benzenamine, 2-methyl- Toxaphene....................... See footnote Toxaphene 7. 1,2,4-Trichlorobenzene.......... 120-82-1..... Benzene, 1,2,4- trichloro- 1,1,1-Trichloroethane; 71-55-6...... Ethane, 1,1,1-trichloro- Methylchloroform. 1,1,2-Trichloroethane........... 79-00-5...... Ethane, 1,1,2-trichloro- Trichloroethylene; 79-01-6...... Ethene, trichloro- Trichloroethene. Trichlorofluoromethane; CFC-11.. 75-69-4...... Methane, trichlorofluoro- 2,4,5-Trichlorophenol........... 95-95-4...... Phenol, 2,4,5-trichloro- 2,4,6-Trichlorophenol........... 88-06-2...... Phenol, 2,4,6-trichloro- 1,2,3-Trichloropropane.......... 96-18-4...... Propane, 1,2,3- trichloro- O,O,O-Triethyl phosphorothioate. 126-68-1..... Phosphorothioic acid, O,O,O-triethyl ester sym-Trinitrobenzene............. 99-35-4...... Benzene, 1,3,5-trinitro- Vanadium........................ (Total)...... Vanadium Vinyl acetate................... 108-05-4..... Acetic acid, ethenyl ester Vinyl chloride; Chloroethene.... 75-01-4...... Ethene, chloro- Xylene (total).................. See footnote Benzene, dimethyl- 8. Zinc............................ (Total)...... Zinc ------------------------------------------------------------------------ \1\ Common names are those widely used in government regulations, scientific publications, and commerce; synonyms exist for many chemicals. \2\ Chemical Abstracts Service registry number. Where ``Total'' is entered, all species in the ground water that contain this element are included. [[Page 444]] \3\ CAS index names are those used in the 9th Cumulative Index. \4\ This substance is often called bis(2-chloroisopropyl) ether, the name Chemical Abstracts Service applies to its noncommercial isomer, propane, 2,2[sec]-oxybis[2-chloro-(CAS RN 39638-32-9). \5\ Chlordane: This entry includes alpha-chlordane (CAS RN 5103-71-9), beta-chlordane (CAS RN 5103-74-2), gamma-chlordane (CAS RN 5566-34-7), and constituents of chlordane (CAS RN 57-74-9 and CAS RN 12789-03-6). \6\ Polychlorinated biphenyls (CAS RN 1336-36-3); this category contains congener chemicals, including constituents of Aroclor-1016 (CAS RN 12674-11-2), Aroclor-1221 (CAS RN 11104-28-2), Aroclor-1232 (CAS RN 11141-16-5), Aroclor-1242 (CAS RN 53469-21-9), Aroclor-1248 (CAS RN 12672-29-6), Aroclor-1254 (CAS RN 11097-69-1), and Aroclor-1260 (CAS RN 11096-82-5). \7\ Toxaphene: This entry includes congener chemicals contained in technical toxaphene (CAS RN 8001-35-2), i.e., chlorinated camphene. \8\ Xylene (total): This entry includes o-xylene (CAS RN 96-47-6), m- xylene (CAS RN 108-38-3), p-xylene (CAS RN 106-42-3), and unspecified xylenes (dimethylbenzenes) (CAS RN 1330-20-7). [70 FR 34556, June 14, 2005; 70 FR 44150, Aug. 1, 2005] PART 259 [RESERVED]