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Facility ID: 85629SRCNC4201W
Facility Name and Address: ASARCO LLC MISSION COMPLEX 4201 W PIMA MINE RD SAHUARITA, AZ 85629 Parent Company: AMERICAS MINING CORP Industry: Copper, Nickel, Lead, and Zinc Mining (212230) Chemical: Mercury compounds Reports: View TRI Facility profile report for this facility View TRI Form R submissions by this facility |
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Production Related Waste Management for Selected Chemical
lchemid=N458
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Waste Management Comparison -
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Pollution Prevention Activities for Selected Chemical
Reporting Year | Section 8.10: Newly Implemented Source Reduction Activity | Section 8.10: Methods to Identify Activity | Section 8.11: Optional Pollution Prevention Information* |
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2022 |
Other Barriers to Source Reduction - Although Mission has seen a 7% decrease in the production of Mercury and Mercury Compounds, the main reason for yearly variability is the geology of the ore body and where ore is being mined from the pit. |
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2020 |
Barriers: B8-Barriers to P2 B8 - A reduction does not appear to be technically feasible
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Barriers to P2: B8 - A reduction does not appear to be technically feasible - Mercury and mercury compounds are naturally occurring in the copper ore body. Their amounts will vary year to year depending on amount of copper ore milled as well as due to the natural variability of their concentrations within the ore body. |
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2019 |
Other Barriers to Source Reduction - The decrease in Mercury and Mercury Compounds is directly attributable to the concentration of the metal and compounds found within the host rock in which the copper ore is being extracted. This is variable and will change from year to year. |
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2014 |
Other Barriers to Source Reduction - The mercury being reported is a naturally occurring constituent of the ore body. The amount processed is variable and dependent on where mining is taking place from year to year within the ore body. |