Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
WESTERN REFINING -DBA PILOT THOMAS LOGISTICS - ROCK SPRINGS
151 INDUSTRIAL DR, ROCK SPRINGS, WY, 82901
Parent company: MAXUM ENTERPRISES LLC
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 | Toluene | Xylene (mixed isomers) | Benzene | 1,2,4-Trimethylbenzene | Ethylbenzene | Total (lbs) |
| 2019 | — | — | — | — | — | 0 |
| 2018 | — | — | — | — | — | 0 |
| 2017 | — | — | — | — | — | 0 |
| 2016 | — | — | — | — | — | 0 |
| 2002 | — | — | — | — | — | 10 |
| 2001 | — | — | — | — | — | 5 |
| 2000 | 5 | — | — | — | — | 15 |
| 1999 | 803 | 561 | 230 | 120 | 120 | 1,834 |
▎ 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.