Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
748 T-7 RD, GILLETTE, WY, 82718
Parent company: CLOUD PEAK ENERGY INC
Reported on-site TRI releases in pounds, grouped by reporting year.
The 10 chemicals with the highest cumulative on-site releases across all available years.
Rows are years. Columns show the five highest-total chemicals across all years plus each year's total release volume.
| Year | Lead | Lead compounds | Mercury compounds | Mercury | Total |
|---|---|---|---|---|---|
| 2013 | — | 1 | 0 | — | 1 |
| 2012 | — | 1 | 0 | — | 1 |
| 2010 | 11 | — | — | 0 | 12 |
| 2009 | 14 | — | — | 0 | 15 |
| 2008 | 14 | — | — | 0 | 15 |
| 2007 | 15 | — | — | 0 | 16 |
| 2006 | 15 | — | — | 0 | 16 |
| 2005 | — | 15 | 0 | — | 15 |
| 2004 | — | 14 | 0 | — | 14 |
| 2003 | — | 13 | 0 | — | 13 |
| 2002 | — | 13 | 0 | — | 14 |
| 2001 | — | 13 | 0 | — | 14 |