Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
WEST PENN OIL CO.,INC.130130
2305 MARKET ST EXT., WARREN, PA, 16365
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 | Certain glycol ethers | Methanol | Xylene (mixed isomers) | Methyl tert-butyl ether | Isopropyl alcohol (only persons who manufacture by the strong acid process are subject, no supplier notification) | Total (lbs) |
| 2024 | 360 | 155 | 6 | — | — | 524 |
| 2023 | 239 | 146 | 5 | — | — | 397 |
| 2022 | 824 | 289 | 5 | — | — | 1,124 |
| 2021 | 396 | 140 | 2 | — | — | 542 |
| 2020 | 509 | 141 | 1 | — | — | 653 |
| 2019 | 1 | 151 | 2 | — | — | 158 |
| 2018 | 2 | 142 | 2 | — | — | 159 |
| 2017 | 1,363 | 165 | 3 | — | — | 1,545 |
| 2016 | 1,397 | 144 | 4 | — | — | 1,556 |
| 2015 | 1,411 | 413 | 4 | — | — | 1,835 |
| 2014 | 899 | 427 | 4 | — | — | 1,341 |
| 2013 | 1,020 | 417 | 4 | — | — | 1,455 |
| 2012 | 675 | 562 | 5 | — | — | 1,250 |
| 2011 | 861 | 196 | 10 | — | — | 1,083 |
| 2010 | 1,356 | 558 | 12 | — | — | 1,953 |
| 2009 | 1,389 | 1,057 | 11 | — | — | 2,476 |
| 2008 | 1,399 | 347 | 5 | — | — | 1,770 |
| 2007 | 1,431 | 361 | 2 | — | — | 1,825 |
| 2006 | 948 | 376 | 6 | — | — | 1,347 |
| 2005 | 1,413 | 259 | 381 | — | — | 2,061 |
| 2004 | 1,463 | 290 | 172 | — | — | 1,930 |
| 2003 | 1,467 | 256 | 12 | — | — | 1,740 |
| 2002 | 1,433 | 245 | 25 | — | — | 1,709 |
| 2001 | 1,407 | 192 | 20 | — | — | 1,622 |
| 2000 | 1,459 | 199 | 678 | — | — | 2,338 |
| 1999 | 2,111 | 427 | 287 | — | 1,671 | 4,848 |
| 1998 | 1,758 | 399 | 316 | — | — | 2,473 |
| 1997 | 4,913 | 590 | — | — | — | 5,503 |
| 1996 | 5,946 | 640 | 214 | — | — | 6,800 |
| 1995 | 4,633 | 529 | 229 | — | — | 5,391 |
| 1994 | 10,594 | 683 | — | — | — | 11,277 |
| 1993 | 4,015 | 478 | — | — | — | 4,493 |
| 1992 | 5,533 | 694 | — | — | — | 6,723 |
| 1991 | 4,787 | 590 | — | — | — | 5,860 |
| 1990 | 6,438 | 883 | — | 1,736 | — | 9,484 |
| 1989 | 7,674 | 373 | — | — | — | 8,086 |
| 1988 | 500 | 500 | — | — | — | 1,000 |
▎ 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.