| WYOMING |  |  |  |
| The 25 Facilities in Wyoming storing the largest amounts of extremely hazardous substances.* |
| Facility Name | City | Maximum amount in a single process (lbs) | Chemical |
1 | COASTAL CHEM, INC. - CHEYENNE WYOMING | CHEYENNE | 67,000,000 | Ammonia (anhydrous)
2 | SF PHOSPHATES LIMITED COMPANY | ROCK SPRINGS | 5,130,000 | Ammonia (anhydrous)
3 | RIVERTON FACILITY | RIVERTON | 1,200,000 | Oleum (Fuming Sulfuric acid)
4 | FMC CORPORATION, GREEN RIVER, WYOMING FACILITY | GREEN RIVER | 360,000 | Ammonia (anhydrous)
5 | COLORADO INTERSTATE GAS CO. - TABLE ROCK PLANT | ROCK SPRINGS | 240,000 | Ammonia (anhydrous)
6 | FRONTIER REFINING INC. | CHEYENNE | 146,000 | Hydrogen fluoride (conc >=50%)
7 | TORRINGTON SIMPLOT SOILBUILDERS | TORRINGTON | 145,000 | Ammonia (anhydrous)
8 | ANSCHUTZ RANCH EAST GAS PLANT | EVANSTON | 143,723 | Ammonia (anhydrous)
9 | PANHANDLE COOPERATIVE FERTILIZER (TORRINGTON) | TORRINGTON | 130,000 | Ammonia (anhydrous)
10 | HIGH PLAINS COOP FERTILIZER (PINE BLUFF, WY) | PINE BLUFF | 130,000 | Ammonia (anhydrous)
11 | POWER RESOURCES, INC. - HIGHLAND URANIUM PROJECT | DOUGLAS | 90,000 | Ammonia (anhydrous)
12 | EXXON COMPANY, U.S.A. SHUTE CREEK FACILITY | KEMMERER | 80,000 | Hydrogen sulfide
13 | JIRDON AGRI CHEMICALS, INC. | TORRINGTON | 63,000 | Ammonia (anhydrous)
14 | BAIROIL OC CO2 PLANT | BAIROIL | 51,667 | Ammonia (anhydrous)
15 | SINCLAIR WYOMING REFINERY | SINCLAIR | 42,000 | Chlorine
16 | UAP NORTHWEST, BASIN | WORLAND | 40,000 | Ammonia (anhydrous)
17 | EXXON COMPANY, U.S.A. BLACK CANYON DEHY. FACILITY | LABARGE | 19,000 | Hydrogen sulfide
18 | EVANSTON WATER TREATMENT PLANT | EVANSTON | 16,000 | Chlorine
19 | RAY L. SHERARD WATER TREATMENT PLANT | CHEYENNE | 10,000 | Chlorine
20 | DRY CREEK WASTEWATER FACILITY | CHEYENNE | 10,000 | Chlorine
21 | CROW CREEK WASTEWATER FACILITY | CHEYENNE | 10,000 | Chlorine
22 | ROUNDTOP WATER TREATMENT PLANT | CHEYENNE | 8,000 | Chlorine
23 | BIG GOOSE WATER TREATMENT PLANT | SHERIDAN | 8,000 | Chlorine
24 | SHERIDAN WATER TREATMENT PLANT | SHERIDAN | 8,000 | Chlorine
25 | GILLETTE WASTEWATER TREATMENT FACILITY | GILLETTE | 8,000 | Chlorine |
| *Extremely hazardous substances as defined by the U.S. Environmental Protection Agency under the Clean Air Act, Section 112(r). |
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