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Pacific Southwest, Region 9

Serving: Arizona, California, Hawaii, Nevada, Pacific Islands, Tribal Nations

Toxics Release Inventory, Arizona

Arizona Resources

Top Ten Chemical Releases


Chemical Total Releases (in pounds)
Copper and Copper Compounds 25,519,639
Zinc Compounds 22,872,122
Lead and Lead Compounds 12,876,891
Barium and Barium Compounds 8,165,056
Manganese and Manganese Compounds 2,714,051
Chromium and Chromium Compounds (Except Chromite Ore mined in the Transvaal Region) 2,080,064
Sulfuric Acid (1994 and after acid aerosols only) 844,470
Antimony Compounds 775,162
Arsenic and Arsenic Compounds 565,712
Methanol 405,990

Top Ten Facilities

State of Arizona

Name City County  Total Releases
Asarco LLC Ray Complex/Hayden Smelter & Concentrator Hayden Gila, AZ 31,038,891
Freeport-Mcmoran Miami Claypool Gila, AZ 25,395,313
Springerville Generating Station Springerville Apache, AZ 4,150,144
Freeport-Mcmoran Morenci Morenci Greenlee, AZ 2,968,986
Freeport-Mcmoran Sierrita Green Valley Pima, AZ 2,502,369
Coronado Generating Station Saint Johns Apache, AZ 2,496,507
Salt River Project Navajo Generating Station Page Coconino, AZ 2,165,120
Asarco LLC Mission Complex Sahuarita Pima, AZ 1,593,887
Freeport-Mcmoran Bagdad Bagdad Yavapai, AZ 1,258,367
Mineral Park Golden Valley Mojave, AZ 1,230,286

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