Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
UNIVAR USA INC ROCK SPRINGS
17 TRI STATE RD W OF RELIANCE, ROCK SPRINGS, WY, 82901
Parent company: UNIVAR USA INC
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 | Methanol | Xylene (mixed isomers) | Ethylene glycol | Diethanolamine | Triethylamine | Total (lbs) |
| 2014 | 2,913 | — | 8 | — | — | 2,921 |
| 2013 | 2,651 | — | 4 | — | — | 2,655 |
| 2012 | 2,495 | — | 4 | — | — | 2,499 |
| 2011 | 1,004 | — | 15 | — | — | 1,019 |
| 2010 | 1,075 | — | — | — | — | 1,075 |
| 2009 | 3,125 | 248 | 52 | — | 2 | 3,427 |
| 2008 | 5,250 | — | 10 | — | — | 5,260 |
| 2007 | 5,250 | — | — | — | — | 5,250 |
| 2006 | 4,308 | — | — | — | — | 4,308 |
| 2005 | 3,132 | — | — | — | — | 3,132 |
| 2002 | 204 | — | 34 | 6 | — | 244 |
▎ 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.