DOW CORNING -- MIDLAND PLANT - Chemicals

| Accident History | Chemicals | Emergency Response | Registration | Source | Executive Summary |

305 - Portable Tank/Cylin Process

Program Level 3 Process
5,540 lbs. of the Toxic Chemical "Methyltrichlorosilane [Silane, Trichloromethyl-]", CAS: 75-79-6.
16,734 lbs. of the Toxic Chemical "Trimethylchlorosilane [Silane, Chlorotrimethyl-]", CAS: 75-77-4.
Process Industries (NAICS):
      Other Support Activities for Road Transportation (48849)
      All Other Pipeline Transportation (48699)

2703 - Amination Process Process

Program Level 3 Process
155,638 lbs. of the Toxic Chemical "Ethylenediamine [1,2-Ethanediamine]", CAS: 107-15-3.
Process Industries (NAICS):
      All Other Basic Inorganic Chemical Manufacturing (325188)

2901 - Module D Process

Program Level 3 Process
13,429 lbs. of the Toxic Chemical "Trimethylchlorosilane [Silane, Chlorotrimethyl-]", CAS: 75-77-4.
13,445 lbs. of the Flammable Chemical "Trichlorosilane [Silane, Trichloro-]", CAS: 10025-78-2.
Process Industries (NAICS):
      All Other Basic Inorganic Chemical Manufacturing (325188)

2901 - Module A Process

Program Level 3 Process
142,567 lbs. of the Toxic Chemical "Oleum (Fuming Sulfuric Acid) [Sulfuric Acid, Mixture With Sulfur Trioxide]1", CAS: 8014-95-7.
Process Industries (NAICS):
      All Other Basic Inorganic Chemical Manufacturing (325188)

303 - 3360/3390 Process

Program Level 3 Process
14,051 lbs. of the Flammable Chemical "Isopropyl Chloride [Propane, 2-Chloro-]", CAS: 75-29-6.
Process Industries (NAICS):
      All Other Basic Inorganic Chemical Manufacturing (325188)

304 - Cracker Process

Program Level 3 Process
466,367 lbs. of the Toxic Chemical "Dimethyldichlorosilane [Silane, Dichlorodimethyl-]", CAS: 75-78-5.
555,204 lbs. of the Toxic Chemical "Methyltrichlorosilane [Silane, Trichloromethyl-]", CAS: 75-79-6.
22,208 lbs. of the Toxic Chemical "Trimethylchlorosilane [Silane, Chlorotrimethyl-]", CAS: 75-77-4.
44,418 lbs. of the Flammable Chemical "Trichlorosilane [Silane, Trichloro-]", CAS: 10025-78-2.
Process Industries (NAICS):
      All Other Basic Inorganic Chemical Manufacturing (325188)

304 - Alkyl Process

Program Level 3 Process
132,360 lbs. of the Flammable Chemical "Propylene [1-Propene]", CAS: 115-07-1.
191,762 lbs. of the Flammable Chemical "Trichlorosilane [Silane, Trichloro-]", CAS: 10025-78-2.
124,320 lbs. of the Flammable Chemical "2-Methylpropene [1-Propene, 2-Methyl-]", CAS: 115-11-7.
Process Industries (NAICS):
      All Other Basic Inorganic Chemical Manufacturing (325188)

311 - Hcl Recovery Process

Program Level 3 Process
5,665 lbs. of the Toxic Chemical "Hydrochloric Acid (Conc 30% Or Greater)", CAS: 7647-01-0.
664,616 lbs. of the Toxic Chemical "Methyl Chloride [Methane, Chloro-]", CAS: 74-87-3.
Process Industries (NAICS):
      All Other Basic Inorganic Chemical Manufacturing (325188)

340 - Cacl2 Process

Program Level 3 Process
5,010 lbs. of the Toxic Chemical "Hydrochloric Acid (Conc 30% Or Greater)", CAS: 7647-01-0.
Process Industries (NAICS):
      All Other Basic Inorganic Chemical Manufacturing (325188)

322 - S/O Process

Program Level 3 Process
95,574 lbs. of the Toxic Chemical "Ammonia (Anhydrous)", CAS: 7664-41-7.
Process Industries (NAICS):
      All Other Basic Inorganic Chemical Manufacturing (325188)

309 - 2403 Process

Program Level 3 Process
28,991 lbs. of the Flammable Chemical "Trichlorosilane [Silane, Trichloro-]", CAS: 10025-78-2.
Process Industries (NAICS):
      All Other Basic Inorganic Chemical Manufacturing (325188)

317 - 2477 Process

Program Level 3 Process
29,772 lbs. of the Flammable Chemical "Trichlorosilane [Silane, Trichloro-]", CAS: 10025-78-2.
Process Industries (NAICS):
      All Other Basic Inorganic Chemical Manufacturing (325188)

317 - Stc Process

Program Level 3 Process
249 lbs. of the Flammable Chemical "Trichlorosilane [Silane, Trichloro-]", CAS: 10025-78-2.
Process Industries (NAICS):
      All Other Basic Inorganic Chemical Manufacturing (325188)

317 - Dpr Process

Program Level 3 Process
32,023 lbs. of the Flammable Chemical "Trichlorosilane [Silane, Trichloro-]", CAS: 10025-78-2.
Process Industries (NAICS):
      All Other Basic Inorganic Chemical Manufacturing (325188)

325 - 5026 Process

Program Level 3 Process
27,689 lbs. of the Flammable Chemical "Trichlorosilane [Silane, Trichloro-]", CAS: 10025-78-2.
254 lbs. of the Flammable Chemical "Hydrogen", CAS: 1333-74-0.
Process Industries (NAICS):
      All Other Basic Inorganic Chemical Manufacturing (325188)

325 - 22150 Process

Program Level 3 Process
45,342 lbs. of the Flammable Chemical "Trichlorosilane [Silane, Trichloro-]", CAS: 10025-78-2.
219 lbs. of the Flammable Chemical "Hydrogen", CAS: 1333-74-0.
Process Industries (NAICS):
      All Other Basic Inorganic Chemical Manufacturing (325188)

327 - Hcl Distribution Process

Program Level 3 Process
6,738,122 lbs. of the Toxic Chemical "Hydrochloric Acid (Conc 30% Or Greater)", CAS: 7647-01-0.
Process Industries (NAICS):
      Support Activities for Rail Transportation (48821)
      Other Support Activities for Road Transportation (48849)
      Other Warehousing and Storage Facilities (49319)
      All Other Pipeline Transportation (48699)

502 - 3900/3910A Process

Program Level 3 Process
244,320 lbs. of the Flammable Chemical "Trichlorosilane [Silane, Trichloro-]", CAS: 10025-78-2.
Process Industries (NAICS):
      All Other Basic Inorganic Chemical Manufacturing (325188)

502 - Rail/Trailer Statio Process

Program Level 3 Process
308,610 lbs. of the Toxic Chemical "Dimethyldichlorosilane [Silane, Dichlorodimethyl-]", CAS: 75-78-5.
395,496 lbs. of the Toxic Chemical "Methyltrichlorosilane [Silane, Trichloromethyl-]", CAS: 75-79-6.
452,196 lbs. of the Toxic Chemical "Trimethylchlorosilane [Silane, Chlorotrimethyl-]", CAS: 75-77-4.
1,412,421 lbs. of the Flammable Chemical "Trichlorosilane [Silane, Trichloro-]", CAS: 10025-78-2.
Process Industries (NAICS):
      Support Activities for Rail Transportation (48821)
      Other Support Activities for Road Transportation (48849)
      Other Warehousing and Storage Facilities (49319)
      All Other Pipeline Transportation (48699)

502 - 503/504/2502 Tank F Process

Program Level 3 Process
189,299 lbs. of the Toxic Chemical "Dimethyldichlorosilane [Silane, Dichlorodimethyl-]", CAS: 75-78-5.
467,710 lbs. of the Toxic Chemical "Methyltrichlorosilane [Silane, Trichloromethyl-]", CAS: 75-79-6.
470,482 lbs. of the Toxic Chemical "Trimethylchlorosilane [Silane, Chlorotrimethyl-]", CAS: 75-77-4.
12,500 lbs. of the Flammable Chemical "Dichlorosilane [Silane, Dichloro-]", CAS: 4109-96-0.
2,934,123 lbs. of the Flammable Chemical "Trichlorosilane [Silane, Trichloro-]", CAS: 10025-78-2.
129,600 lbs. of a Flammable Chemical Mixture composed of:
      Flammable Chemical "Trichlorosilane [Silane, Trichloro-]", CAS: 10025-78-2.
      Flammable Chemical "Dichlorosilane [Silane, Dichloro-]", CAS: 4109-96-0.
Process Industries (NAICS):
      Other Support Activities for Road Transportation (48849)
      Other Warehousing and Storage Facilities (49319)
      All Other Pipeline Transportation (48699)

502 - 16770/80/90 Process

Program Level 3 Process
659,018 lbs. of the Flammable Chemical "Trichlorosilane [Silane, Trichloro-]", CAS: 10025-78-2.
Process Industries (NAICS):
      All Other Basic Inorganic Chemical Manufacturing (325188)

502 - 20910/20/30 Process

Program Level 3 Process
199,300 lbs. of the Flammable Chemical "Trichlorosilane [Silane, Trichloro-]", CAS: 10025-78-2.
Process Industries (NAICS):
      All Other Basic Inorganic Chemical Manufacturing (325188)

308 - Columns Process

Program Level 3 Process
58,539 lbs. of the Flammable Chemical "Trichlorosilane [Silane, Trichloro-]", CAS: 10025-78-2.
Process Industries (NAICS):
      All Other Basic Inorganic Chemical Manufacturing (325188)

308 - Phme Process

Program Level 3 Process
13,509 lbs. of the Flammable Chemical "Trichlorosilane [Silane, Trichloro-]", CAS: 10025-78-2.
670 lbs. of the Flammable Chemical "Dichlorosilane [Silane, Dichloro-]", CAS: 4109-96-0.
Process Industries (NAICS):
      All Other Basic Inorganic Chemical Manufacturing (325188)

304 - Coil/Column Process

Program Level 3 Process
19,905 lbs. of the Flammable Chemical "Trichlorosilane [Silane, Trichloro-]", CAS: 10025-78-2.
Process Industries (NAICS):
      All Other Basic Inorganic Chemical Manufacturing (325188)

515 - Reactors Process

Program Level 3 Process
92,958 lbs. of the Flammable Chemical "Ethyl Ether [Ethane, 1,1'-Oxybis-]", CAS: 60-29-7.
110,357 lbs. of the Toxic Chemical "Methyltrichlorosilane [Silane, Trichloromethyl-]", CAS: 75-79-6.
Process Industries (NAICS):
      All Other Basic Inorganic Chemical Manufacturing (325188)

516 - Ph/Ph2 Process

Program Level 3 Process
7,520 lbs. of the Flammable Chemical "Trichlorosilane [Silane, Trichloro-]", CAS: 10025-78-2.
Process Industries (NAICS):
      All Other Basic Inorganic Chemical Manufacturing (325188)

516 - Phme Process

Program Level 3 Process
68,706 lbs. of the Flammable Chemical "Ethyl Ether [Ethane, 1,1'-Oxybis-]", CAS: 60-29-7.
108,028 lbs. of the Toxic Chemical "Methyltrichlorosilane [Silane, Trichloromethyl-]", CAS: 75-79-6.
Process Industries (NAICS):
      All Other Basic Inorganic Chemical Manufacturing (325188)

308 - 3A Rail Station Process

Program Level 3 Process
238,828 lbs. of the Flammable Chemical "Ethyl Ether [Ethane, 1,1'-Oxybis-]", CAS: 60-29-7.
Process Industries (NAICS):
      Support Activities for Rail Transportation (48821)
      Other Warehousing and Storage Facilities (49319)
      All Other Pipeline Transportation (48699)

604 - Ethylene Process

Program Level 3 Process
55,788 lbs. of the Flammable Chemical "Ethylene [Ethene]", CAS: 74-85-1.
Process Industries (NAICS):
      All Other Basic Inorganic Chemical Manufacturing (325188)

2602 - 2602 Warehouse Process

Program Level 2 Process
29,000 lbs. of the Toxic Chemical "Trimethylchlorosilane [Silane, Chlorotrimethyl-]", CAS: 75-77-4.
Process Industries (NAICS):
      General Warehousing and Storage Facilities (49311)

806 - Tank Farm Process

Program Level 3 Process
7,000 lbs. of the Flammable Chemical "Ethyl Ether [Ethane, 1,1'-Oxybis-]", CAS: 60-29-7.
5,600 lbs. of the Flammable Chemical "Trichlorosilane [Silane, Trichloro-]", CAS: 10025-78-2.
Process Industries (NAICS):
      Hazardous Waste Collection (562112)
Click to return to beginning