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Title 40 - Protection of Environment last revised: May 14, 2024
All TitlesTitle 40Chapter IPart 63Subpart JJAppendix - Table 6 to Subpart JJ of Part 63—VHAP of Potential Concern
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Appendix - Table 6 to Subpart JJ of Part 63—VHAP of Potential Concern
CAS No. Chemical name EPA de minimis, tons/yr*
926714-Aminobiphenyl1.0
96093Styrene oxide1.0
64675Diethyl sulfate1.0
59892N-Nitrosomorpholine1.0
68122Dimethyl formamide1.0
680319Hexamethylphosphoramide0.01
60355Acetamide1.0
1017794,4′-Methylenedianiline1.0
90040o-Anisidine1.0
17460162,3,7,8-Tetrachlorodibenzo-p-dioxin0.00000006
92875Benzidine0.00003
684935N-Nitroso-N-methylurea0.00002
542881Bis(chloromethyl) ether0.00003
79447Dimethyl carbamoyl chloride0.002
755581,2-Propylenimine (2-Methyl aziridine)0.0003
571471,1-Dimethyl hydrazine0.0008
961281,2-Dibromo-3-chloropropane0.001
62759N-Nitrosodimethylamine0.0001
50328Benzo (a) pyrene0.001
1336363Polychlorinated biphenyls (Aroclors)0.0009
76448Heptachlor0.002
1199373,3′-Dimethyl benzidine0.001
79061Acrylamide0.002
118741Hexachlorobenzene0.004
57749Chlordane0.005
11207141,3-Propane sultone0.003
1069901,3-Butadiene0.007
539632-Acetylaminoflourine0.0005
919413,3′-Dichlorobenzidine0.02
58899Lindane (hexachlorocyclohexane, gamma)0.005
958072,4-Toluene diamine0.002
111444Dichloroethyl ether (Bis(2-chloroethyl)ether)0.006
1226671,2—Diphenylhydrazine0.009
8001352Toxaphene (chlorinated camphene)0.006
1211422,4-Dinitrotoluene0.002
1199043,3′-Dimethoxybenzidine0.01
50000Formaldehyde0.2
1011444,4′-Methylene bis(2-chloroaniline)0.02
107131Acrylonitrile0.03
106934Ethylene dibromide(1,2-Dibromoethane)0.01
72559DDE (1,1-p-chlorophenyl 1-2 dichloroethylene)0.01
510156Chlorobenzilate0.04
62737Dichlorvos0.02
75014Vinyl chloride0.02
75218Ethylene oxide0.09
96457Ethylene thiourea0.06
593602Vinyl bromide (bromoethene)0.06
67663Chloroform0.09
87865Pentachlorophenol0.07
51796Ethyl carbamate (Urethane)0.08
107062Ethylene dichloride (1,2-Dichloroethane)0.08
78875Propylene dichloride (1,2-Dichloropropane)0.1
56235Carbon tetrachloride0.1
71432Benzene0.2
140885Ethyl acrylate0.1
75569Propylene oxide0.5
62533Aniline0.1
1064671,4-Dichlorobenzene(p)0.3
880622,4,6-Trichlorophenol0.6
117817Bis (2-ethylhexyl) phthalate (DEHP)0.5
95534o-Toluidine0.4
114261Propoxur2.0
79016Trichloroethylene1.0
1239111,4-Dioxane (1,4-Diethyleneoxide)0.6
75070Acetaldehyde0.9
75252Bromoform2.0
133062Captan2.0
106898Epichlorohydrin2.0
75092Methylene chloride (Dichloromethane)4.0
127184Tetrachloroethylene (Perchloroethylene)4.0
53703Dibenz (ah) anthracene0.01
218019Chrysene0.01
60117Dimethyl aminoazobenzene1.0
56553Benzo (a) anthracene0.01
205992Benzo (b) fluoranthene0.01
794692-Nitropropane1.0
5427561,3-Dichloropropene1.0
579767,12-Dimethylbenz (a) anthracene0.01
225514Benz(c)acridine0.01
193395Indeno(1,2,3-cd)pyrene0.01
1895591,2:7,8-Dibenzopyrene0.01
793451,1,2,2-Tetrachloroethane0.03
91225Quinoline0.0006
75354Vinylidene chloride (1,1-Dichloroethylene)0.04
87683Hexachlorobutadiene0.09
82688Pentachloronitrobenzene (Quintobenzene)0.03
78591Isophorone0.7
790051,1,2-Trichloroethane0.1
74873Methyl chloride (Chloromethane)1.0
67721Hexachloroethane0.5
1582098Trifluralin0.9
1319773Cresols/Cresylic acid (isomers and mixture)1.0
108394m-Cresol1.0
75343Ethylidene dichloride (1,1-Dichloroethane)1.0
95487o-Cresol1.0
106445p-Cresol1.0
74884Methyl iodide (Iodomethane)1.0
100425Styrene1.0
107051Allyl chloride1.0
334883Diazomethane1.0
959542,4,5—Trichlorophenol1.0
133904Chloramben1.0
1068871,2—Epoxybutane1.0
108054Vinyl acetate1.0
126998Chloroprene1.0
123319Hydroquinone1.0
929334-Nitrobiphenyl1.0
56382Parathion0.1
13463393Nickel Carbonyl0.1
60344Methyl hydrazine0.006
151564Ethylene imine0.0003
77781Dimethyl sulfate0.1
107302Chloromethyl methyl ether0.1
57578beta-Propiolactone0.1
100447Benzyl chloride0.04
98077Benzotrichloride0.0006
107028Acrolein0.04
5848492,4—Toluene diisocyanate0.1
75741Tetramethyl lead0.01
78002Tetraethyl lead0.01
12108133Methylcyclopentadienyl manganese0.1
624839Methyl isocyanate0.1
77474Hexachlorocyclopentadiene0.1
62207765Fluomine0.1
10210681Cobalt carbonyl0.1
79118Chloroacetic acid0.1
5345214,6-Dinitro-o-cresol, and salts0.1
101688Methylene diphenyl diisocyanate0.1
108952Phenol0.1
62384Mercury, (acetato-o) phenyl0.01
98862Acetophenone1.0
108316Maleic anhydride1.0
5322742-Chloroacetophenone0.06
512852,4-Dinitrophenol1.0
1098642-Methyoxy ethanol10.0
98953Nitrobenzene1.0
74839Methyl bromide (Bromomethane)10.0
75150Carbon disulfide1.0
121697N,N-Dimethylaniline1.0
106514Quinone5.0
123386Propionaldehyde5.0
120809Catechol5.0
85449Phthalic anhydride5.0
463581Carbonyl sulfide5.0
132649Dibenzofurans5.0
1000274-Nitrophenol5.0
5408412,2,4-Trimethylpentane5.0
111422Diethanolamine5.0
822060Hexamethylene-1,6-diisocyanate5.0
Glycol ethers a5.0
Polycyclic organic matter b0.01

* These values are based on the de minimis levels provided in the proposed rulemaking pursuant to section 112(g) of the Act using a 70-year lifetime exposure duration for all VHAP. Default assumptions and the de minimis values based on inhalation reference doses (RfC) are not changed by this adjustment.

a Except for ethylene glycol butyl ether, ethylene glycol ethyl ether (2-ethoxy ethanol), ethylene glycol hexyl ether, ethylene glycol methyl ether (2-methoxyethanol), ethylene glycol phenyl ether, ethylene glycol propyl ether, ethylene glycol mono-2-ethylhexyl ether, diethylene glycol butyl ether, diethylene glycol ethyl ether, diethylene glycol methyl ether, diethylene glycol hexyl ether, diethylene glycol phenyl ether, diethylene glycol propyl ether, triethylene glycol butyl ether, triethylene glycol ethyl ether, triethylene glycol methyl ether, triethylene glycol propyl ether, ethylene glycol butyl ether acetate, ethylene glycol ethyl ether acetate, and diethylene glycol ethyl ether acetate.

b Except for benzo(b)fluoranthene, benzo(a)anthracene, benzo(a)pyrene, 7,12-dimethylbenz(a)anthracene, benz(c)acridine, chrysene, dibenz(ah) anthracene, 1,2:7,8-dibenzopyrene, indeno(1,2,3-cd)pyrene, but including dioxins and furans.

[63 FR 71383, Dec. 28, 1998]
authority: 42 U.S.C. 7401
source: 57 FR 61992, Dec. 29, 1992, unless otherwise noted.
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