Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
WESTERN STATES PETROLEUM
3331 W BROADWAY RD, PHOENIX, AZ, 85041
Parent company: NA
Carcinogen
— 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 | Methyl tert-butyl ether | Toluene | Xylene (mixed isomers) | Methanol | n-Hexane | Total (lbs) |
| 2007 | — | 79 | 23 | — | — | 102 |
| 2006 | — | 222 | 131 | — | — | 353 |
| 2005 | 1,839 | 104 | 31 | — | — | 1,977 |
| 2004 | 2,201 | 1,058 | 1,052 | 595 | — | 6,007 |
| 2003 | 3,025 | 1,454 | 1,446 | 599 | — | 8,037 |
| 2002 | 2,564 | 1,233 | 1,225 | 573 | — | 7,424 |
| 2001 | 2,535 | 1,219 | 1,212 | 569 | — | 8,898 |
| 2000 | 3,000 | 2,200 | 2,000 | 750 | 2,000 | 11,400 |
| 1999 | 4,500 | 2,365 | 2,500 | 3,333 | 2,200 | 16,828 |
| 1998 | 4,947 | 2,374 | 2,365 | 550 | 2,351 | 14,465 |
| 1997 | — | — | — | 568 | — | 568 |
| 1996 | — | — | — | 570 | — | 570 |
▎ 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.