Environmental Protection Agency § 68.130 include, but are not limited to, phys- TABLE 1 TO § 68.130—LIST OF REGULATED ical and chemical properties of the sub- TOXIC SUBSTANCES AND THRESHOLD QUAN- stance, such as vapor pressure; mod- TITIES FOR ACCIDENTAL RELEASE PREVEN- eling results, including data and as- TION—Continued sumptions used and model documenta- [Alphabetical Order—77 Substances] tion; and historical accident data, cit- ing data sources. Threshold Chemical name CAS No. quantity Basis for (h) Within 18 months of receipt of a (lbs) listing petition, the Administrator shall pub- Ammonia (anhy- 7664–41–7 10,000 a, b lish in the FEDERAL REGISTER a notice drous). either denying the petition or granting Ammonia (conc 7664–41–7 20,000 a, b the petition and proposing a listing. 20% or greater). Arsenous tri- 7784–34–1 15,000 b § 68.125 Exemptions. chloride. Arsine ................. 7784–42–1 1,000 b Agricultural nutrients. Ammonia used Boron trichloride 10294–34–5 5,000 b as an agricultural nutrient, when held [Borane, by farmers, is exempt from all provi- trichloro-]. Boron trifluoride 7637–07–2 5,000 b sions of this part. [Borane, trifluoro-]. § 68.126 Exclusion. Boron trifluoride 353–42–4 15,000 b compound with Flammable Substances Used as Fuel or methyl ether Held for Sale as Fuel at Retail Facilities. (1:1) [Boron, A flammable substance listed in Tables trifluoro [oxybis 3 and 4 of § 68.130 is nevertheless ex- [metane]]-, T-4-. Bromine .............. 7726–95–6 10,000 a, b cluded from all provisions of this part Carbon disulfide 75–15–0 20,000 b when the substance is used as a fuel or Chlorine .............. 7782–50–5 2,500 a, b held for sale as a fuel at a retail facil- Chlorine dioxide 10049–04–4 1,000 c ity. [Chlorine oxide (ClO2)]. [65 FR 13250, Mar. 13, 2000] Chloroform 67–66–3 20,000 b [Methane, § 68.130 List of substances. trichloro-]. Chloromethyl 542–88–1 1,000 b (a) Regulated toxic and flammable ether [Methane, substances under section 112(r) of the oxybis[chloro-]. Chloromethyl 107–30–2 5,000 b Clean Air Act are the substances listed methyl ether in Tables 1, 2, 3, and 4. Threshold quan- [Methane, tities for listed toxic and flammable chloromethoxy- substances are specified in the tables. ]. Crotonaldehyde 4170–30–3 20,000 b (b) The basis for placing toxic and [2-Butenal]. flammable substances on the list of Crotonaldehyde, 123–73–9 20,000 b regulated substances are explained in (E)- [2-Butenal, (E)-]. the notes to the list. Cyanogen chlo- 506–77–4 10,000 c ride. TABLE 1 TO § 68.130—LIST OF REGULATED Cyclohexylamine 108–91–8 15,000 b TOXIC SUBSTANCES AND THRESHOLD QUAN- [Cyclohexana- TITIES FOR ACCIDENTAL RELEASE PREVENTION mine]. Diborane ............. 19287–45–7 2,500 b [Alphabetical Order—77 Substances] Dimethyldichloro- 75–78–5 5,000 b silane [Silane, Threshold dichlorodimeth- Chemical name CAS No. quantity Basis for (lbs) listing yl-]. 1,1- 57–14–7 15,000 b Acrolein [2- 107–02–8 5,000 b Dimethylhydra- Propenal]. zine [Hydra- Acrylonitrile [2- 107–13–1 20,000 b zine, 1,1-di- Propenenitrile]. methyl-]. Acrylyl chloride 814–68–6 5,000 b Epichlorohydrin 106–89–8 20,000 b [2-Propenoyl [Oxirane, chloride]. (chloromethyl)-]. Allyl alcohol [2- 107–18–61 15,000 b Ethylenediamine 107–15–3 20,000 b Propen-l-ol]. [1,2- Allylamine [2- 107–11–9 10,000 b Ethanediamine]. Propen-l- Ethyleneimine 151–56–4 10,000 b amine]. [Aziridine]. 183 VerDate Mar<15>2010 16:06 Sep 23, 2011 Jkt 223158 PO 00000 Frm 00193 Fmt 8010 Sfmt 8010 Q:\40\40V15.TXT ofr150 PsN: PC150 § 68.130 40 CFR Ch. I (7–1–11 Edition) TABLE 1 TO § 68.130—LIST OF REGULATED TABLE 1 TO § 68.130—LIST OF REGULATED TOXIC SUBSTANCES AND THRESHOLD QUAN- TOXIC SUBSTANCES AND THRESHOLD QUAN- TITIES FOR ACCIDENTAL RELEASE PREVEN- TITIES FOR ACCIDENTAL RELEASE PREVEN- TION—Continued TION—Continued [Alphabetical Order—77 Substances] [Alphabetical Order—77 Substances] Threshold Basis for Threshold Basis for Chemical name CAS No. quantity listing Chemical name CAS No. quantity (lbs) (lbs) listing Ethylene oxide 75–21–8 10,000 a, b Methyltrichlorosil- 75–79–6 5,000 b [Oxirane]. ane [Silane, Fluorine .............. 7782–41–4 1,000 b trichloromethyl- Formaldehyde 50–00–0 15,000 b ]. (solution). Nickel carbonyl ... 13463–39–3 1,000 b Furan .................. 110–00–9 5,000 b Nitric acid (conc 7697–37–2 15,000 b Hydrazine ........... 302–01–2 15,000 b 80% or greater). Hydrochloric acid 7647–01–0 15,000 d Nitric oxide [Nitro- 10102–43–9 10,000 b (conc 37% or gen oxide greater). (NO)]. Hydrocyanic acid 74–90–8 2,500 a, b Oleum (Fuming 8014–95–7 10,000 e Hydrogen chlo- 7647–01–0 5,000 a Sulfuric acid) ride (anhy- [Sulfuric acid, drous) [Hydro- mixture with chloric acid]. sulfur trioxide] 1. Hydrogen fluo- 7664–39–3 1,000 a, b Peracetic acid 79–21–0 10,000 b ride/ [Ethaneperoxoi- Hydrofluoric c acid]. acid (conc 50% Perchloromethyl- 594–42–3 10,000 b or greater) mercaptan [Hydrofluoric [Methanesulfe- acid]. nyl chloride, Hydrogen sele- 7783–07–5 500 b trichloro-]. nide. Phosgene [Car- 75–44–5 500 a, b Hydrogen sulfide 7783–06–4 10,000 a, b bonic dichlo- Iron, 13463–40–6 2,500 b ride]. pentacarbonyl- Phosphine .......... 7803–51–2 5,000 b [Iron carbonyl (Fe(CO)5), Phosphorus 10025–87–3 5,000 b (TB-5-11)-]. oxychloride Isobutyronitrile 78–82–0 20,000 b [Phosphoryl [Propanenitrile, chloride]. 2-methyl-]. Phosphorus tri- 7719–12–2 15,000 b Isopropyl 108–23–6 15,000 b chloride [Phos- chloroformate phorous tri- [Carbonochlori- chloride]. dic acid, 1- Piperidine ........... 110–89–4 15,000 b methylethyl Propionitrile 107–12–0 10,000 b ester]. [Propanenitrile]. Methacrylonitrile 126–98–7 10,000 b Propyl 109–61–5 15,000 b [2- chloroformate Propenenitrile, [Carbonochlori- 2-methyl-]. dic acid, Methyl chloride 74–87–3 10,000 a propylester]. [Methane, Propyleneimine 75–55–8 10,000 b chloro-]. [Aziridine, 2- Methyl 79–22–1 5,000 b methyl-]. chloroformate Propylene oxide 75–56–9 10,000 b [Carbonochlori- [Oxirane, meth- dic acid, yl-]. methylester]. Sulfur dioxide 7446–09–5 5,000 a, b Methyl hydrazine 60–34–4 15,000 b (anhydrous). [Hydrazine, Sulfur tetra- 7783–60–0 2,500 b methyl-]. fluoride [Sulfur Methyl isocyanate 624–83–9 10,000 a, b fluoride (SF4), [Methane, (T-4)-]. isocyanato-]. Sulfur trioxide ..... 7446–11–9 10,000 a, b Methyl mercaptan 74–93–1 10,000 b Tetramethyllead 75–74–1 10,000 b [Methanethiol]. [Plumbane, Methyl 556–64–9 20,000 b tetramethyl-]. thiocyanate [Thiocyanic Tetranitro- 509–14–8 10,000 b acid, methyl methane [Meth- ester]. ane, tetranitro-]. 184 VerDate Mar<15>2010 16:06 Sep 23, 2011 Jkt 223158 PO 00000 Frm 00194 Fmt 8010 Sfmt 8010 Q:\40\40V15.TXT ofr150 PsN: PC150 Environmental Protection Agency § 68.130 TABLE 1 TO § 68.130—LIST OF REGULATED TABLE 1 TO § 68.130—LIST OF REGULATED TOXIC SUBSTANCES AND THRESHOLD QUAN- TOXIC SUBSTANCES AND THRESHOLD QUAN- TITIES FOR ACCIDENTAL RELEASE PREVEN- TITIES FOR ACCIDENTAL RELEASE PREVEN- TION—Continued TION—Continued [Alphabetical Order—77 Substances] [Alphabetical Order—77 Substances] Threshold Basis for Threshold Basis for Chemical name CAS No. quantity listing Chemical name CAS No. quantity (lbs) (lbs) listing Titanium tetra- 7550–45–0 2,500 b Trimethylchlorosi- 75–77–4 10,000 b chloride [Tita- lane [Silane, nium chloride chlorotrimethyl- (TiCl4) (T-4)-]. ]. Toluene 2,4- 584–84–9 10,000 a Vinyl acetate 108–05–4 15,000 b diisocyanate monomer [Ace- [Benzene, 2,4- tic acid ethenyl diisocyanato-1- ester]. methyl-] 1. Toluene 2,6- 91–08–7 10,000 a 1 The mixture exemption in § 68.115(b)(1) does not apply to diisocyanate the substance. [Benzene, 1,3- NOTE: Basis for Listing: diisocyanato-2- a Mandated for listing by Congress. methyl-] 1. b On EHS list, vapor pressure 10 mmHg or greater. Toluene 26471–62–5 10,000 a c Toxic gas. diisocyanate d Toxicity of hydrogen chloride, potential to release hydro- (unspecified gen chloride, and history of accidents. isomer) [Ben- e Toxicity of sulfur trioxide and sulfuric acid, potential to zene, 1,3- release sulfur trioxide, and history of accidents. diisocyanatom- ethyl-] 1. TABLE 2 TO § 68.130—LIST OF REGULATED TOXIC SUBSTANCES AND THRESHOLD QUANTITIES FOR ACCIDENTAL RELEASE PREVENTION [CAS Number Order—77 Substances] Threshold CAS No. Chemical name quantity Basis for (lbs) listing 50–00–0 ..................... Formaldehyde (solution) .................................................................................... 15,000 b 57–14–7 ..................... 1,1-Dimethylhydrazine [Hydrazine, 1,1-dimethyl-] ............................................. 15,000 b 60–34–4 ..................... Methyl hydrazine [Hydrazine, methyl-] ............................................................... 15,000 b 67–66–3 ..................... Chloroform [Methane, trichloro-] ........................................................................ 20,000 b 74–87–3 ..................... Methyl chloride [Methane, chloro-] .................................................................... 10,000 a 74–90–8 ..................... Hydrocyanic acid ................................................................................................ 2,500 a, b 74–93–1 ..................... Methyl mercaptan [Methanethiol] ....................................................................... 10,000 b 75–15–0 ..................... Carbon disulfide ................................................................................................. 20,000 b 75–21–8 ..................... Ethylene oxide [Oxirane] .................................................................................... 10,000 a, b 75–44–5 ....................