[Code of Federal Regulations]
[Title 40, Volume 27]
[Revised as of July 1, 2008]
From the U.S. Government Printing Office via GPO Access
[CITE: 40CFR355 App A]

[Page 432-437]

                   TITLE 40--PROTECTION OF ENVIRONMENT

         CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)

PART 355_EMERGENCY PLANNING AND NOTIFICATION--Table of Contents

 Appendix A to Part 355--The List of Extremely Hazardous Substances
                 and Their Threshold Planning Quantities

                          [Alphabetical Order]
------------------------------------------------------------------------
                                                            Threshold
                                             Reportable      planning
   CAS No.       Chemical name      Notes    quantity *      quantity
                                              (pounds)       (pounds)
------------------------------------------------------------------------
     75-86-5  Acetone             .........          10     1,000
               Cyanohydrin.
   1752-30-3  Acetone             .........       1,000     1,000/10,000
               Thiosemicarbazide.
    107-02-8  Acrolein..........  .........           1       500
     79-06-1  Acrylamide........  l               5,000     1,000/10,000
    107-13-1  Acrylonitrile.....  l                 100    10,000
    814-68-6  Acrylyl Chloride..  h                 100       100
    111-69-3  Adiponitrile......  l               1,000     1,000
    116-06-3  Aldicarb..........  c                   1       100/10,000
    309-00-2  Aldrin............  .........           1       500/10,000
    107-18-6  Allyl Alcohol.....  .........         100     1,000
    107-11-9  Allylamine........  .........         500       500
  20859-73-8  Aluminum Phosphide  b                 100       500
     54-62-6  Aminopterin.......  .........         500       500/10,000
     78-53-5  Amiton............  .........         500       500
   3734-97-2  Amiton Oxalate....  .........         100       100/10,000
   7664-41-7  Ammonia...........  l                 100       500
    300-62-9  Amphetamine.......  .........       1,000     1,000
     62-53-3  Aniline...........  l               5,000     1,000
     88-05-1  Aniline, 2,4,6-     .........         500       500
               Trimethyl-.
   7783-70-2  Antimony            .........         500       500
               Pentafluoride.
   1397-94-0  Antimycin A.......  c               1,000     1,000/10,000
     86-88-4  ANTU..............  .........         100       500/10,000
   1303-28-2  Arsenic Pentoxide.  .........           1       100/10,000
   1327-53-3  Arsenous Oxide....  h                   1       100/10,000
   7784-34-1  Arsenous            .........           1       500
               Trichloride.
   7784-42-1  Arsine............  .........         100       100
   2642-71-9  Azinphos-Ethyl....  .........         100       100/10,000
     86-50-0  Azinphos-Methyl...  .........           1        10/10,000
     98-87-3  Benzal Chloride...  .........       5,000       500
     98-16-8  Benzenamine, 3-     .........         500       500
               (Trifluoromethyl)-
               .
    100-14-1  Benzene, 1-         .........         500       500/10,000
               (Chloromethyl)-4-
               Nitro-.
     98-05-5  Benzenearsonic      .........          10        10/10,000
               Acid.
   3615-21-2  Benzimidazole, 4,5- g                 500       500/10,000
               Dichloro-2-
               (Trifluoromethyl)-
               .

[[Page 433]]


     98-07-7  Benzotrichloride..  .........          10       100
    100-44-7  Benzyl Chloride...  .........         100       500
    140-29-4  Benzyl Cyanide....  h                 500       500
  15271-41-7  Bicyclo[2.2.1]Hept  .........         500       500/10,000
               ane-2-
               Carbonitrile, 5-
               Chloro-6-
               ((((Methylamino)C
               arbonyl)Oxy)Imino
               )-, (1s-(1-
               alpha,2-beta,4-
               alpha,5-
               alpha,6E))-.
    534-07-6  Bis(Chloromethyl)   .........          10        10/10,000
               Ketone.
   4044-65-9  Bitoscanate.......  .........         500       500/10,000
  10294-34-5  Boron Trichloride.  .........         500       500
   7637-07-2  Boron Trifluoride.  .........         500       500
    353-42-4  Boron Trifluoride   .........       1,000     1,000
               Compound With
               Methyl Ether
               (1:1).
  28772-56-7  Bromadiolone......  .........         100       100/10,000
   7726-95-6  Bromine...........  l                 500       500
   1306-19-0  Cadmium Oxide.....  .........         100       100/10,000
   2223-93-0  Cadmium Stearate..  c               1,000     1,000/10,000
   7778-44-1  Calcium Arsenate..  .........           1       500/10,000
   8001-35-2  Camphechlor.......  .........           1       500/10,000
     56-25-7  Cantharidin.......  .........         100       100/10,000
     51-83-2  Carbachol Chloride  .........         500       500/10,000
  26419-73-8  Carbamic Acid,      .........         100       100/10,000
               Methyl-, O-(((2,4-
               Dimethyl-1, 3-
               Dithiolan-2-
               yl)Methylene)Amin
               o)-.
   1563-66-2  Carbofuran........  .........          10        10/10,000
     75-15-0  Carbon Disulfide..  l                 100    10,000
    786-19-6  Carbophenothion...  .........         500       500
     57-74-9  Chlordane.........  .........           1     1,000
    470-90-6  Chlorfenvinfos....  .........         500       500
   7782-50-5  Chlorine..........  .........          10       100
  24934-91-6  Chlormephos.......  .........         500       500
    999-81-5  Chlormequat         h                 100       100/10,000
               Chloride.
     79-11-8  Chloroacetic Acid.  .........         100       100/10,000
    107-07-3  Chloroethanol.....  .........         500       500
    627-11-2  Chloroethyl         .........       1,000     1,000
               Chloroformate.
     67-66-3  Chloroform........  l                  10    10,000
    542-88-1  Chloromethyl Ether  h                  10       100
    107-30-2  Chloromethyl        c                  10       100
               Methyl Ether.
   3691-35-8  Chlorophacinone...  .........         100       100/10,000
   1982-47-4  Chloroxuron.......  .........         500       500/10,000
  21923-23-9  Chlorthiophos.....  h                 500       500
  10025-73-7  Chromic Chloride..  .........           1         1/10,000
  62207-76-5  Cobalt, ((2,2'-     .........         100       100/10,000
               (1,2-
               Ethanediylbis
               (Nitrilomethylidy
               ne)) Bis(6-
               Fluorophenolato))
               (2-)-N,N',O,O')-.
  10210-68-1  Cobalt Carbonyl...  h                  10        10/10,000
     64-86-8  Colchicine........  h                  10        10/10,000
     56-72-4  Coumaphos.........  .........          10       100/10,000
   5836-29-3  Coumatetralyl.....  .........         500       500/10,000
     95-48-7  Cresol, o-........  .........         100     1,000/10,000
    535-89-7  Crimidine.........  .........         100       100/10,000
   4170-30-3  Crotonaldehyde....  .........         100     1,000
    123-73-9  Crotonaldehyde,     .........         100     1,000
               (E)-.
    506-68-3  Cyanogen Bromide..  .........       1,000       500/10,000
    506-78-5  Cyanogen Iodide...  .........       1,000     1,000/10,000
   2636-26-2  Cyanophos.........  .........       1,000     1,000
    675-14-9  Cyanuric Fluoride.  .........         100       100
     66-81-9  Cycloheximide.....  .........         100       100/10,000
    108-91-8  Cyclohexylamine...  l              10,000    10,000
  17702-41-9  Decaborane(14)....  .........         500       500/10,000
   8065-48-3  Demeton...........  .........         500       500
    919-86-8  Demeton-S-Methyl..  .........         500       500
  10311-84-9  Dialifor..........  .........         100       100/10,000
  19287-45-7  Diborane..........  .........         100       100
    111-44-4  Dichloroethyl       .........          10    10,000
               ether.
    149-74-6  Dichloromethylphen  .........       1,000     1,000
               ylsilane.
     62-73-7  Dichlorvos........  .........          10     1,000
    141-66-2  Dicrotophos.......  .........         100       100
   1464-53-5  Diepoxybutane.....  .........          10       500
    814-49-3  Diethyl             h                 500       500
               Chlorophosphate.
     71-63-6  Digitoxin.........  c                 100       100/10,000
   2238-07-5  Diglycidyl Ether..  .........       1,000     1,000
  20830-75-5  Digoxin...........  h                  10        10/10,000
    115-26-4  Dimefox...........  .........         500       500
     60-51-5  Dimethoate........  .........          10       500/10,000

[[Page 434]]


   2524-03-0  Dimethyl            .........         500       500
               Phosphorochlorido
               thioate.
     77-78-1  Dimethyl sulfate..  .........         100       500
     75-78-5  Dimethyldichlorosi  h                 500       500
               lane.
     57-14-7  Dimethylhydrazine.  .........          10     1,000
     99-98-9  Dimethyl-p-         .........          10        10/10,000
               Phenylenediamine.
    644-64-4  Dimetilan.........  .........           1       500/10,000
    534-52-1  Dinitrocresol.....  .........          10        10/10,000
     88-85-7  Dinoseb...........  .........       1,000       100/10,000
   1420-07-1  Dinoterb..........  .........         500       500/10,000
     78-34-2  Dioxathion........  .........         500       500
     82-66-6  Diphacinone.......  .........          10        10/10,000
    152-16-9  Diphosphoramide,    .........         100       100
               Octamethyl-.
    298-04-4  Disulfoton........  .........           1       500
    514-73-8  Dithiazanine        .........         500       500/10,000
               Iodide.
    541-53-7  Dithiobiuret......  .........         100       100/10,000
    316-42-7  Emetine,            h                   1         1/10,000
               Dihydrochloride.
    115-29-7  Endosulfan........  .........           1        10/10,000
   2778-04-3  Endothion.........  .........         500       500/10,000
     72-20-8  Endrin............  .........           1       500/10,000
    106-89-8  Epichlorohydrin...  l                 100     1,000
   2104-64-5  EPN...............  .........         100       100/10,000
     50-14-6  Ergocalciferol....  c               1,000     1,000/10,000
    379-79-3  Ergotamine          .........         500       500/10,000
               Tartrate.
   1622-32-8  Ethanesulfonyl      .........         500       500
               Chloride, 2-
               Chloro-.
  10140-87-1  Ethanol, 1,2-       .........       1,000     1,000
               Dichloro-,
               Acetate.
    563-12-2  Ethion............  .........          10     1,000
  13194-48-4  Ethoprophos.......  .........       1,000     1,000
    538-07-8  Ethylbis(2-         h                 500       500
               Chloroethyl)Amine.
    371-62-0  Ethylene            c, h               10        10
               Fluorohydrin.
     75-21-8  Ethylene Oxide....  l                  10     1,000
    107-15-3  Ethylenediamine...  .........       5,000    10,000
    151-56-4  Ethyleneimine.....  .........           1       500
    542-90-5  Ethylthiocyanate..  .........      10,000    10,000
  22224-92-6  Fenamiphos........  .........          10        10/10,000
    115-90-2  Fensulfothion.....  h                 500       500
   4301-50-2  Fluenetil.........  .........         100       100/10,000
   7782-41-4  Fluorine..........  k                  10       500
    640-19-7  Fluoroacetamide...  j                 100       100/10,000
    144-49-0  Fluoroacetic Acid.  .........          10        10/10,000
    359-06-8  Fluoroacetyl        c                  10        10
               Chloride.
     51-21-8  Fluorouracil......  .........         500       500/10,000
    944-22-9  Fonofos...........  .........         500       500
     50-00-0  Formaldehyde......  l                 100       500
    107-16-4  Formaldehyde        h               1,000     1,000
               Cyanohydrin.
  23422-53-9  Formetanate         (h)               100       500/10,000
               Hydrochloride.
   2540-82-1  Formothion........  .........         100       100
  23422-53-9  Formetanate         (h)               100       500/10,000
               Hydrochloride.
  21548-32-3  Fosthietan........  .........         500       500
   3878-19-1  Fuberidazole......  .........         100       100/10,000
    110-00-9  Furan.............  .........         100       500
  13450-90-3  Gallium             .........         500       500/10,000
               Trichloride.
     77-47-4  Hexachlorocyclopen  h                  10       100
               tadiene.
   4835-11-4  Hexamethylenediami  .........         500       500
               ne, N,N'-Dibutyl-.
    302-01-2  Hydrazine.........  .........           1     1,000
     74-90-8  Hydrocyanic Acid..  .........          10       100
   7647-01-0  Hydrogen Chloride   l               5,000       500
               (gas only).
   7664-39-3  Hydrogen Fluoride.  .........         100       100
   7722-84-1  Hydrogen Peroxide   l               1,000     1,000
               (Conc 
               52%).
   7783-07-5  Hydrogen Selenide.  .........          10        10
   7783-06-4  Hydrogen Sulfide..  l                 100       500
    123-31-9  Hydroquinone......  l                 100       500/10,000
  13463-40-6  Iron,               .........         100       100
               Pentacarbonyl-.
    297-78-9  Isobenzan.........  .........         100       100/10,000
     78-82-0  Isobutyronitrile..  h               1,000     1,000
    102-36-3  Isocyanic Acid,     .........         500       500/10,000
               3,4-
               Dichlorophenyl
               Ester.
    465-73-6  Isodrin...........  .........           1       100/10,000
     55-91-4  Isofluorphate.....  c                 100       100
   4098-71-9  Isophorone          .........         500       500
               Diisocyanate.
    108-23-6  Isopropyl           .........       1,000     1,000
               Chloroformate.
    119-38-0  Isopropylmethyl-    .........         100       500
               pyrazolyl
               Dimethylcarbamate.
     78-97-7  Lactonitrile......  .........       1,000     1,000

[[Page 435]]


  21609-90-5  Leptophos.........  .........         500       500/10,000
    541-25-3  Lewisite..........  c, h               10        10
     58-89-9  Lindane...........  .........           1     1,000/10,000
   7580-67-8  Lithium Hydride...  b                 100       100
    109-77-3  Malononitrile.....  .........       1,000       500/10,000
  12108-13-3  Manganese,          h                 100       100
               Tricarbonyl
               Methylcyclopentad
               ienyl.
     51-75-2  Mechlorethamine...  c                  10        10
    950-10-7  Mephosfolan.......  .........         500       500
   1600-27-7  Mercuric Acetate..  .........         500       500/10,000
   7487-94-7  Mercuric Chloride.  .........         500       500/10,000
  21908-53-2  Mercuric Oxide....  .........         500       500/10,000
  10476-95-6  Methacrolein        .........       1,000     1,000
               Diacetate.
    760-93-0  Methacrylic         .........         500       500
               Anhydride.
    126-98-7  Methacrylonitrile.  h               1,000       500
    920-46-7  Methacryloyl        .........         100       100
               Chloride.
  30674-80-7  Methacryloyloxyeth  h                 100       100
               yl Isocyanate.
  10265-92-6  Methamidophos.....  .........         100       100/10,000
    558-25-8  Methanesulfonyl     .........       1,000     1,000
               Fluoride.
    950-37-8  Methidathion......  .........         500       500/10,000
   2032-65-7  Methiocarb........  .........          10       500/10,000
  16752-77-5  Methomyl..........  h                 100       500/10,000
    151-38-2  Methoxyethylmercur  .........         500       500/10,000
               ic Acetate.
     80-63-7  Methyl 2-           .........         500       500
               Chloroacrylate.
     74-83-9  Methyl Bromide....  l               1,000     1,000
     79-22-1  Methyl              h               1,000       500
               Chloroformate.
     60-34-4  Methyl Hydrazine..  .........          10       500
    624-83-9  Methyl Isocyanate.  .........          10       500
    556-61-6  Methyl              b                 500       500
               Isothiocyanate.
     74-93-1  Methyl Mercaptan..  l                 100       500
   3735-23-7  Methyl Phenkapton.  .........         500       500
    676-97-1  Methyl Phosphonic   b                 100       100
               Dichloride.
    556-64-9  Methyl Thiocyanate  .........      10,000    10,000
     78-94-4  Methyl Vinyl        .........          10        10
               Ketone.
    502-39-6  Methylmercuric      .........         500       500/10,000
               Dicyanamide.
     75-79-6  Methyltrichlorosil  h                 500       500
               ane.
   1129-41-5  Metolcarb.........  .........       1,000       100/10,000
   7786-34-7  Mevinphos.........  .........          10       500
    315-18-4  Mexacarbate.......  .........       1,000       500/10,000
     50-07-7  Mitomycin C.......  .........          10       500/10,000
   6923-22-4  Monocrotophos.....  .........          10        10/10,000
   2763-96-4  Muscimol..........  .........       1,000       500/10,000
    505-60-2  Mustard Gas.......  h                 500       500
  13463-39-3  Nickel Carbonyl...  .........          10         1
     54-11-5  Nicotine..........  c                 100       100
     65-30-5  Nicotine Sulfate..  .........         100       100/10,000
   7697-37-2  Nitric Acid.......  .........       1,000     1,000
  10102-43-9  Nitric Oxide......  c                  10       100
     98-95-3  Nitrobenzene......  l               1,000    10,000
   1122-60-7  Nitrocyclohexane..  .........         500       500
  10102-44-0  Nitrogen Dioxide..  .........          10       100
     62-75-9  Nitrosodimethylami  h                  10     1,000
               ne.
    991-42-4  Norbormide........  .........         100       100/10,000
           0  Organorhodium       .........          10        10/10,000
               Complex (PMN-82-
               147).
    630-60-4  Ouabain...........  c                 100       100/10,000
  23135-22-0  Oxamyl............  .........         100       100/10,000
     78-71-7  Oxetane, 3,3-       .........         500       500
               Bis(Chloromethyl)-
               .
   2497-07-6  Oxydisulfoton.....  h                 500       500
  10028-15-6  Ozone.............  .........         100       100
   1910-42-5  Paraquat            .........          10        10/10,000
               Dichloride.
   2074-50-2  Paraquat            .........          10        10/10,000
               Methosulfate.
     56-38-2  Parathion.........  c                  10       100
    298-00-0  Parathion-Methyl..  c                 100       100/10,000
  12002-03-8  Paris Green.......  .........           1       500/10,000
  19624-22-7  Pentaborane.......  .........         500       500
   2570-26-5  Pentadecylamine...  .........         100       100/10,000
     79-21-0  Peracetic Acid....  .........         500       500
    594-42-3  Perchloromethylmer  .........         100       500
               captan.
    108-95-2  Phenol............  .........       1,000       500/10,000
   4418-66-0  Phenol, 2,2'-       .........         100       100/10,000
               Thiobis(4-Chloro-
               6-Methyl)-.
     64-00-6  Phenol, 3-(1-       .........          10       500/10,000
               Methylethyl)-,
               Methylcarbamate.
     58-36-6  Phenoxarsine,       .........         500       500/10,000
               10,10'-Oxydi-.

[[Page 436]]


    696-28-6  Phenyl              h                   1       500
               Dichloroarsine.
     59-88-1  Phenylhydrazine     .........       1,000     1,000/10,000
               Hydrochloride.
     62-38-4  Phenylmercury       .........         100       500/10,000
               Acetate.
   2097-19-0  Phenylsilatrane...  h                 100       100/10,000
    103-85-5  Phenylthiourea....  .........         100       100/10,000
    298-02-2  Phorate...........  .........          10        10
   4104-14-7  Phosacetim........  .........         100       100/10,000
    947-02-4  Phosfolan.........  .........         100       100/10,000
     75-44-5  Phosgene..........  l                  10        10
  13171-21-6  Phosphamidon......  .........         100       100
   7803-51-2  Phosphine.........  .........         100       500
   2703-13-1  Phosphonothioic     .........         500       500
               Acid, Methyl-, O-
               Ethyl O-(4-
               (Methylthio)
               Phenyl) Ester.
  50782-69-9  Phosphonothioic     .........         100       100
               Acid, Methyl-, S-
               (2-
               (Bis(1Methylethyl
               )Amino)Ethyl) O-
               Ethyl Ester.
   2665-30-7  Phosphonothioic     .........         500       500
               Acid, Methyl-, O-
               (4-Nitrophenyl) O-
               Phenyl Ester.
   3254-63-5  Phosphoric Acid,    .........         500       500
               Dimethyl 4-
               (Methylthio)Pheny
               l Ester.
   2587-90-8  Phosphorothioic     c, g              500       500
               Acid, O,O-
               Dimethyl-S-(2-
               Methylthio) Ethyl
               Ester.
   7723-14-0  Phosphorus........  b, h                1       100
  10025-87-3  Phosphorus          .........       1,000       500
               Oxychloride.
  10026-13-8  Phosphorus          b                 500       500
               Pentachloride.
   7719-12-2  Phosphorus          .........       1,000     1,000
               Trichloride.
     57-47-6  Physostigmine.....  .........         100       100/10,000
     57-64-7  Physostigmine,      .........         100       100/10,000
               Salicylate (1:1).
    124-87-8  Picrotoxin........  .........         500       500/10,000
    110-89-4  Piperidine........  .........       1,000     1,000
  23505-41-1  Pirimifos-Ethyl...  .........       1,000     1,000
  10124-50-2  Potassium Arsenite  .........           1       500/10,000
    151-50-8  Potassium Cyanide.  b                  10       100
    506-61-6  Potassium Silver    b                   1       500
               Cyanide.
   2631-37-0  Promecarb.........  (h)             1,000       500/10,000
    106-96-7  Propargyl Bromide.  .........          10        10
     57-57-8  Propiolactone,      .........          10       500
               Beta-.
    107-12-0  Propionitrile.....  .........          10       500
    542-76-7  Propionitrile, 3-   .........       1,000     1,000
               Chloro-.
     70-69-9  Propiophenone, 4-   g                 100       100/10,000
               Amino-.
    109-61-5  Propyl              .........         500       500
               Chloroformate.
     75-56-9  Propylene Oxide...  l                 100    10,000
     75-55-8  Propyleneimine....  .........           1    10,000
   2275-18-5  Prothoate.........  .........         100       100/10,000
    129-00-0  Pyrene............  c               5,000     1,000/10,000
    140-76-1  Pyridine, 2-Methyl- .........         500       500
               5-Vinyl-.
    504-24-5  Pyridine, 4-Amino-  h               1,000       500/10,000
   1124-33-0  Pyridine, 4-Nitro-  .........         500       500/10,000
               ,l-Oxide.
  53558-25-1  Pyriminil.........  h                 100       100/10,000
  14167-18-1  Salcomine.........  .........         500       500/10,000
    107-44-8  Sarin.............  h                  10        10
   7783-00-8  Selenious Acid....  .........          10     1,000/10,000
   7791-23-3  Selenium            .........         500       500
               Oxychloride.
    563-41-7  Semicarbazide       .........       1,000     1,000/10,000
               Hydrochloride.
   3037-72-7  Silane, (4-         .........       1,000     1,000
               Aminobutyl)Dietho
               xymethyl-.
   7631-89-2  Sodium Arsenate...  .........           1     1,000/10,000
   7784-46-5  Sodium Arsenite...  .........           1       500/10,000
  26628-22-8  Sodium Azide        b               1,000       500
               (Na(N3)).
    124-65-2  Sodium Cacodylate.  .........         100       100/10,000
    143-33-9  Sodium Cyanide      b                  10       100
               (Na(CN)).
     62-74-8  Sodium              .........          10        10/10,000
               Fluoroacetate.
  13410-01-0  Sodium Selenate...  .........         100       100/10,000
  10102-18-8  Sodium Selenite...  h                 100       100/10,000
  10102-20-2  Sodium Tellurite..  .........         500       500/10,000
    900-95-8  Stannane,           g                 500       500/10,000
               Acetoxytriphenyl-.
     57-24-9  Strychnine........  c                  10       100/10,000
     60-41-3  Strychnine Sulfate  .........          10       100/10,000
   3689-24-5  Sulfotep..........  .........         100       500
   3569-57-1  Sulfoxide, 3-       .........         500       500
               Chloropropyl
               Octyl.
   7446-09-5  Sulfur Dioxide....  1                 500       500
   7783-60-0  Sulfur              .........         100       100
               Tetrafluoride.
   7446-11-9  Sulfur Trioxide...  b                 100       100
   7664-93-9  Sulfuric Acid.....  .........       1,000     1,000
     77-81-6  Tabun.............  c, h               10        10
   7783-80-4  Tellurium           k                 100       100
               Hexafluoride.

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    107-49-3  TEPP..............  .........          10       100
  13071-79-9  Terbufos..........  h                 100       100
     78-00-2  Tetraethyllead....  c                  10       100
    597-64-8  Tetraethyltin.....  c                 100       100
     75-74-1  Tetramethyllead...  c, 1              100       100
    509-14-8  Tetranitromethane.  .........          10       500
  10031-59-1  Thallium Sulfate..  h                 100       100/10,000
   6533-73-9  Thallous Carbonate  c, h              100       100/10,000
   7791-12-0  Thallous Chloride.  c, h              100       100/10,000
   2757-18-8  Thallous Malonate.  c, h              100       100/10,000
   7446-18-6  Thallous Sulfate..  .........         100       100/10,000
   2231-57-4  Thiocarbazide.....  .........       1,000     1,000/10,000
  39196-18-4  Thiofanox.........  .........         100       100/10,000
    297-97-2  Thionazin.........  .........         100       500
    108-98-5  Thiophenol........  .........         100       500
     79-19-6  Thiosemicarbazide.  .........         100       100/10,000
   5344-82-1  Thiourea, (2-       .........         100       100/10,000
               Chlorophenyl)-.
    614-78-8  Thiourea, (2-       .........         500       500/10,000
               Methylphenyl)-.
   7550-45-0  Titanium            .........       1,000       100
               Tetrachloride.
    584-84-9  Toluene 2,4-        .........         100       500
               Diisocyanate.
     91-08-7  Toluene 2,6-        .........         100       100
               Diisocyanate.
    110-57-6  Trans-1,4-          .........         500       500
               Dichlorobutene.
   1031-47-6  Triamiphos........  .........         500       500/10,000
  24017-47-8  Triazofos.........  .........         500       500
     76-02-8  Trichloroacetyl     .........         500       500
               Chloride.
    115-21-9  Trichloroethylsila  h                 500       500
               ne.
    327-98-0  Trichloronate.....  k                 500       500
     98-13-5  Trichlorophenylsil  h                 500       500
               ane.
   1558-25-4  Trichloro(Chlorome  .........         100       100
               thyl)Silane.
  27137-85-5  Trichloro(Dichloro  .........         500       500
               phenyl) Silane.
    998-30-1  Triethoxysilane...  .........         500       500
     75-77-4  Trimethylchlorosil  .........       1,000     1,000
               ane.
    824-11-3  Trimethylolpropane  h                 100       100/10,000
               Phosphite.
   1066-45-1  Trimethyltin        .........         500       500/10,000
               Chloride.
    639-58-7  Triphenyltin        .........         500       500/10,000
               Chloride.
    555-77-1  Tris(2-             h                 100       100
               Chloroethyl)Amine.
   2001-95-8  Valinomycin.......  c               1,000     1,000/10,000
   1314-62-1  Vanadium Pentoxide  .........       1,000       100/10,000
    108-05-4  Vinyl Acetate       1               5,000     1,000
               Monomer.
     81-81-2  Warfarin..........  .........         100       500/10,000
    129-06-6  Warfarin Sodium...  h                 100       100/10,000
  28347-13-9  Xylylene            .........         100       100/10,000
               Dichloride.
  58270-08-9  Zinc, Dichloro(4,4- .........         100       100/10,000
               Dimethyl-
               5((((Methylamino)
               Carbonyl)
               Oxy)Imino)Pentane
               nitrile)-, (T-4)-.
   1314-84-7  Zinc Phosphide....  b                 100       500
------------------------------------------------------------------------
* Only the statutory or final RQ is shown. For more information, see 40
  CFR table 302.4.
Notes:
a This chemical does not meet acute toxicity criteria. Its TPQ is set at
  10,000 pounds.
b This material is a reactive solid. The TPQ does not default to 10,000
  pounds for non-powder, non-molten, nonsolution form.
c The calculated TPQ changed after technical review as described in the
  technical support document.
d Indicates that the RQ is subject to change when the assessment of
  potential carcinogenicity and/or other toxicity is completed.
e Statutory reportable quantity for purposes of notification under SARA
  sect 304(a)(2).
f [Reserved]
g New chemicals added that were not part of the original list of 402
  substances.
h Revised TPQ based on new or re-evaluated toxicity data.
j TPQ is revised to its calculated value and does not change due to
  technical review as in proposed rule.
k The TPQ was revised after proposal due to calculation error.
l Chemicals on the original list that do not meet toxicity criteria but
  because of their high production volume and recognized toxicity are
  considered chemicals of concern (``Other chemicals'').


[61 FR 20479, May 7, 1996, as amended at 68 FR 52984, Sept. 8, 2003; 69
FR 68815, Nov. 26, 2004; 71 FR 47120, Aug. 16, 2006; 71 FR 53334, Sept.
11, 2006]

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