Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
KENNECOTT BARNEYS CANYON MINING CO
8200 SOUTH 9600 WEST, COPPERTON, UT, 840060311
Parent company: RIO TINTO AMERICA INC
Carcinogen
PBT
— EPA classifications across all reporting years
Top chemical totals
The 10 chemicals with the highest cumulative on-site releases in pounds (lbs) across all available years.
Full release table
Rows are years. Columns show the five highest-total chemicals across all years plus each year's total release volume.
| All values in pounds (lbs) | ||||||
|---|---|---|---|---|---|---|
| Year | Arsenic compounds | Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | Thallium compounds | Zinc compounds | Chromium compounds (except for chromite ore mined in the Transvaal Region) | Total (lbs) |
| 2013 | 79,433,847 | 101,419,778 | 4,093,452 | 4,090,250 | 2,371,482 | 193,036,768 |
| 2012 | — | — | — | — | — | 854 |
| 2011 | — | — | — | — | — | 854 |
| 2010 | — | — | — | — | — | 885 |
| 2009 | — | — | — | — | — | 886 |
| 2008 | — | — | — | — | — | 880 |
| 2007 | — | — | — | — | — | 7,802 |
| 2006 | — | — | — | — | — | 7,801 |
| 2005 | — | — | — | — | — | 8,801 |
| 2004 | — | — | — | — | — | 11,004 |
| 2003 | — | — | — | — | — | 15,001 |
| 2002 | 260 | — | — | — | — | 11,267 |
| 2001 | 6,700,500 | — | — | — | — | 6,770,653 |
| 2000 | 18,000,500 | — | — | — | — | 18,016,800 |
| 1999 | 32,000,500 | — | — | — | — | 32,010,500 |
| 1998 | 36,000,500 | — | — | — | — | 37,017,510 |
▎ Facilities report to EPA's TRI once they manufacture, process, or use a listed chemical above set thresholds. Once that threshold is crossed, they must report actual releases regardless of size — so a small number reflects genuine low-level discharge, not a data error.