ARIZONA
The 25 Facilities in Arizona storing the largest amounts of extremely hazardous substances.*
Facility Name City Maximum amount in a single process (lbs) Chemical
1 APACHE NITROGEN PRODUCTS, INC. BENSON 9,175,000 Ammonia (anhydrous)
2 FERTIZONA COOLIDGE - LLC COOLIDGE 898,000 Ammonia (anhydrous)
3 HILL BROTHERS CHEMICAL CO. - PHOENIX FACILITY PHOENIX 550,000 Chlorine
4 DPC ENTERPRISES GLENDALE 400,000 Chlorine
5 91ST AVENUE WWTP TOLLESON 330,000 Chlorine
6 THE DUNE COMPANY OF YUMA, ARIZONA YUMA 300,000 Ammonia (anhydrous)
7 CASA GRANDE CHEMICALS, INCORPORATED CASA GRANDE 275,000 Ammonia (anhydrous)
8 ARCH CHEMICALS - MESA FACILITY QUEEN CREEK 232,000 Hydrogen fluoride (conc >=50%)
9 ALKEMIN, S. DE R.L. DE C.V. SAHUARITA 230,000 Carbon disulfide
10 23RD AVENUE WASTEWATER TREATMENT PLANT PHOENIX 210,000 Chlorine
11 FERTIZONA CASA GRANDE - LLC CASA GRANDE 206,723 Ammonia (anhydrous)
12 FERTIZONA WILLCOX - LLC WILLCOX 206,723 Ammonia (anhydrous)
13 FERTIZONA SAN TAN - LLC SACATON 206,723 Ammonia (anhydrous)
14 FERTIZONA FENNEMORE - LLC WADDELL 206,723 Ammonia (anhydrous)
15 FERTIZONA ROLL - LLC ROLL 206,723 Ammonia (anhydrous)
16 FERTIZONA YUMA - LLC YUMA 206,723 Ammonia (anhydrous)
17 FERTIZONA BUCKEYE - LLC BUCKEYE 206,723 Ammonia (anhydrous)
18 HASA INC ELOY 180,000 Chlorine
19 THE DUNE COMPANY OF ROLL, ARIZONA ROLL 170,000 Ammonia (anhydrous)
20 THE DUNE COMPANY OF POSTON, ARIZONA POSTON 170,000 Ammonia (anhydrous)
21 WESTERN FARM SERVICE, WELLTON WELLTON 170,000 Ammonia (anhydrous)
22 WILBUR-ELLIS COMPANY, SACATON SACATON 160,000 Ammonia (anhydrous)
23 BOC EDWARDS - PHOENIX PHOENIX 156,000 Hydrogen chloride (anhydrous)
24 TESSENDERLO KERLEY, INC. - PHOENIX FACILITY PHOENIX 150,000 Ammonia (anhydrous)
25 WESTERN FARM SERVICE, SOMERTON SOMERTON 142,500 Ammonia (conc >=20%)
*Extremely hazardous substances as defined by the U.S. Environmental Protection Agency under the Clean Air Act, Section 112(r).



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