Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
NATIONAL POLYMERS INC.
9 GUTTMAN AVE, CHARLEROI, PA, 15022
Parent company: NA
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 | Xylene (mixed isomers) | Total (lbs) | ||||
| 2024 | 323 | 323 | ||||
| 2023 | 329 | 329 | ||||
| 2022 | 360 | 360 | ||||
| 2021 | 369 | 369 | ||||
| 2020 | 339 | 339 | ||||
| 2019 | 362 | 362 | ||||
| 2018 | 362 | 362 | ||||
| 2017 | 317 | 317 | ||||
| 2016 | 322 | 322 | ||||
| 2015 | 415 | 415 | ||||
| 2014 | 409 | 409 | ||||
| 2013 | 396 | 396 | ||||
| 2012 | 410 | 410 | ||||
| 2011 | 439 | 439 | ||||
| 2010 | 406 | 406 | ||||
| 2009 | 455 | 455 | ||||
| 2008 | 495 | 495 | ||||
| 2007 | 570 | 570 | ||||
| 2006 | 524 | 524 | ||||
| 2005 | 513 | 513 | ||||
| 2004 | 420 | 420 | ||||
| 2003 | 315 | 315 | ||||
| 2002 | 258 | 258 | ||||
| 2001 | 273 | 273 | ||||
| 2000 | 390 | 390 | ||||
| 1999 | 269 | 269 | ||||
| 1998 | 451 | 451 | ||||
| 1997 | 1,188 | 1,188 | ||||
| 1996 | 1,100 | 1,100 | ||||
| 1995 | 750 | 750 | ||||
| 1994 | 750 | 750 | ||||
| 1993 | 250 | 250 | ||||
| 1992 | 250 | 250 | ||||
| 1991 | 250 | 250 | ||||
▎ 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.