The following from http://www.epa.gov/oar/caa/caaa.txt which has the entire text of the law
An Act 
  TITLE-To amend the Clean Air Act to provide for attainment and
  maintenance of health protective national ambient air quality
  standards, and for other purposes. 
  Be it enacted by the Senate and House of Representatives of the United
  States of America in Congress assembled, 
  TITLE I-PROVISIONS FOR ATTAINMENT AND MAINTENANCE OF NATIONAL AMBIENT
  AIR QUALITY STANDARDS 
[I cut all but the list of pollutants.]
"(b) List of Pollutants.- 
  "(1) Initial list.-The Congress establishes for purposes of
  this section a list of hazardous air pollutants as follows: 
CAS number Chemical name
  75070 Acetaldehyde 
  60355 Acetamide 
  75058 Acetonitrile 
  98862 Acetophenone 
  53963 2-Acetylaminofluorene 
  107028 Acrolein 
  79061 Acrylamide 
  79107 Acrylic acid 
  107131 Acrylonitrile 
  107051 Allyl chloride 
  92671 4-Aminobiphenyl 
  62533 Aniline 
  90040 o-Anisidine 
  1332214 Asbestos 
  71432 Benzene (including benzene from gasoline) 
  92875 Benzidine 
  98077 Benzotrichloride 
  100447 Benzyl chloride 
  92524 Biphenyl 
  117817 Bis(2-ethylhexyl)phthalate (DEHP) 
  542881 Bis(chloromethyl)ether 
  75252 Bromoform 
  106990 1,3-Butadiene 
  156627 Calcium cyanamide 
  105602 Caprolactam 
  133062 Captan 
  63252 Carbaryl 
  75150 Carbon disulfide 
  56235 Carbon tetrachloride 
  463581 Carbonyl sulfide 
  120809 Catechol 
  133904 Chloramben 
  57749 Chlordane 
  7782505 Chlorine 
  79118 Chloroacetic acid 
  532274 2-Chloroacetophenone 
  108907 Chlorobenzene 
  510156 Chlorobenzilate 
  67663 Chloroform 
  107302 Chloromethyl methyl ether 
  126998 Chloroprene 
  1319773 Cresols/Cresylic acid (isomers and mixture) 
  95487 o-Cresol 
  108394 m-Cresol 
  106445 p-Cresol 
  98828 Cumene 
  94757 2,4-D, salts and esters 
  3547044 DDE 
  334883 Diazomethane 
  132649 Dibenzofurans 
  96128 1,2-Dibromo-3-chloropropane 
  84742 Dibutylphthalate 
  106467 1,4-Dichlorobenzene(p) 
  91941 3,3-Dichlorobenzidene 
  111444 Dichloroethyl ether (Bis(2-chloroethyl)ether) 
  542756 1,3-Dichloropropene 
  62737 Dichlorvos 
  111422 Diethanolamine 
  121697 N,N-Diethyl aniline (N,N-Dimethylaniline) 
  64675 Diethyl sulfate 
  119904 3,3-Dimethoxybenzidine 
  60117 Dimethyl aminoazobenzene 
  119937 3,3-Dimethyl benzidine 
  79447 Dimethyl carbamoyl chloride 
  68122 Dimethyl formamide 
  57147 1,1-Dimethyl hydrazine 
  131113 Dimethyl phthalate 
  77781 Dimethyl sulfate 
  534521 4,6-Dinitro-o-cresol, and salts 
  51285 2,4-Dinitrophenol 
  121142 2,4-Dinitrotoluene 
  123911 1,4-Dioxane (1,4-Diethyleneoxide) 
  122667 1,2-Diphenylhydrazine 
  106898 Epichlorohydrin (l-Chloro-2,3-epoxypropane) 
  106887 1,2-Epoxybutane 
  140885 Ethyl acrylate 
  100414 Ethyl benzene 
  51796 Ethyl carbamate (Urethane) 
  75003 Ethyl chloride (Chloroethane) 
  106934 Ethylene dibromide (Dibromoethane) 
  107062 Ethylene dichloride (1,2-Dichloroethane) 
  107211 Ethylene glycol 
  151564 Ethylene imine (Aziridine) 
  75218 Ethylene oxide 
  96457 Ethylene thiourea 
  75343 Ethylidene dichloride (1,1-Dichloroethane) 
  50000 Formaldehyde 
  76448 Heptachlor 
  118741 Hexachlorobenzene 
  87683 Hexachlorobutadiene 
  77474 Hexachlorocyclopentadiene 
  67721 Hexachloroethane 
  822060 Hexamethylene-1,6-diisocyanate 
  680319 Hexamethylphosphoramide 
  110543 Hexane 
  302012 Hydrazine 
  7647010 Hydrochloric acid 
  7664393 Hydrogen fluoride (Hydrofluoric acid) 
  7783064 Hydrogen sulfide 
  123319 Hydroquinone 
  78591 Isophorone 
  58899 Lindane (all isomers) 
  108316 Maleic anhydride 
  67561 Methanol 
  72435 Methoxychlor 
  74839 Methyl bromide (Bromomethane) 
  74873 Methyl chloride (Chloromethane) 
  71556 Methyl chloroform (1,1,1-Trichloroethane) 
  78933 Methyl ethyl ketone (2-Butanone) 
  60344 Methyl hydrazine 
  74884 Methyl iodide (Iodomethane) 
  108101 Methyl isobutyl ketone (Hexone) 
  624839 Methyl isocyanate 
  80626 Methyl methacrylate 
  1634044 Methyl tert butyl ether 
  101144 4,4-Methylene bis(2-chloroaniline) 
  75092 Methylene chloride (Dichloromethane) 
  101688 Methylene diphenyl diisocyanate (MDI) 
  101779 4,4-Methylenedianiline 
  91203 Naphthalene 
  98953 Nitrobenzene 
  92933 4-Nitrobiphenyl 
  100027 4-Nitrophenol 
  79469 2-Nitropropane 
  684935 N-Nitroso-N-methylurea 
  62759 N-Nitrosodimethylamine 
  59892 N-Nitrosomorpholine 
  56382 Parathion 
  82688 Pentachloronitrobenzene (Quintobenzene) 
  87865 Pentachlorophenol 
  108952 Phenol 
  106503 p-Phenylenediamine 
  75445 Phosgene 
  7803512 Phosphine 
  7723140 Phosphorus 
  85449 Phthalic anhydride 
  1336363 Polychlorinated biphenyls (Aroclors) 
  1120714 1,3-Propane sultone 
  57578 beta-Propiolactone 
  123386 Propionaldehyde 
  114261 Propoxur (Baygon) 
  78875 Propylene dichloride (1,2-Dichloropropane) 
  75569 Propylene oxide 
  75558 1,2-Propylenimine (2-Methyl aziridine) 
  91225 Quinoline 
  106514 Quinone 
  100425 Styrene 
  96093 Styrene oxide 
  1746016 2,3,7,8-Tetrachlorodibenzo-p-dioxin 
  79345 1,1,2,2-Tetrachloroethane 
  127184 Tetrachloroethylene (Perchloroethylene) 
  7550450 Titanium tetrachloride 
  108883 Toluene 
  95807 2,4-Toluene diamine 
  584849 2,4-Toluene diisocyanate 
  95534 o-Toluidine 
  8001352 Toxaphene (chlorinated camphene) 
  120821 1,2,4-Trichlorobenzene 
  79005 1,1,2-Trichloroethane 
  79016 Trichloroethylene 
  95954 2,4,5-Trichlorophenol 
  88062 2,4,6-Trichlorophenol 
  121448 Triethylamine 
  1582098 Trifluralin 
  540841 2,2,4-Trimethylpentane 
  108054 Vinyl acetate 
  593602 Vinyl bromide 
  75014 Vinyl chloride 
  75354 Vinylidene chloride (1,1-Dichloroethylene) 
  1330207 Xylenes (isomers and mixture) 
  95476 o-Xylenes 
  108383 m-Xylenes 
  106423 p-Xylenes 
  0 Antimony Compounds 
  0 Arsenic Compounds (inorganic including arsine) 
  0 Beryllium Compounds 
  0 Cadmium Compounds 
  0 Chromium Compounds 
  0 Cobalt Compounds 
  0 Coke Oven Emissions 
  0 Cyanide Compounds *1 
  0 Glycol ethers *2 
  0 Lead Compounds 
  0 Manganese Compounds 
  0 Mercury Compounds 
  0 Fine mineral fibers *3 
  0 Nickel Compounds 
  0 Polycylic Organic Matter *4 
  0 Radionuclides (including radon) *5 
  0 Selenium Compounds 
  
  NOTE: For all listings above which contain the word "compounds"
  and for glycol ethers, the following applies: Unless otherwise
  specified, these listings are defined as including any unique chemical
  substance that contains the named chemical (i.e., antimony, arsenic,
  etc.) as part of that chemical's infrastructure.