ASARCO LLC RAY COMPLEX/ HAYDEN SMELTER & CONCENTRATOR

Active TRI Registrant

6094 N ASARCO ROAD

HAYDEN, AZ 85135

EPA TRI Facility ID: 85235SRCNC64ASA

Toxic Chemical Releases

Reported to EPA under the Toxics Release Inventory program, most recent reporting year.

Zinc compounds32,183,439 pounds

Copper compounds18,767,163.74 pounds

Lead compoundsPersistent Bioaccumulative Toxic1,916,613.4 pounds

Manganese compounds1,064,871.5 pounds

Arsenic compoundsCarcinogen334,171.07 pounds

Cobalt compoundsCarcinogen297,042.377 pounds

Chromium compounds (except for chromite ore mined in the Transvaal Region)168,349.92 pounds

Barium compounds (except for barium sulfate (CAS No. 7727-43-7))119,442.297 pounds

Nickel compoundsCarcinogen64,382.21 pounds

Vanadium compounds54,474.618 pounds

Antimony compounds29,732.223 pounds

Mercury compoundsPersistent Bioaccumulative Toxic206.001 pounds

Other Registered Facilities Nearby

Source: U.S. EPA Toxic Release Inventory. Registration means this facility reports certain chemical activity to the EPA — it does not by itself indicate a violation or health hazard.