Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
KOPPERS INC. (FLORENCE SC)
280 KOPPERS ST, FLORENCE, SC, 29506
Parent company: KOPPERS INC
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 | Creosote | Naphthalene | Dibenzofuran | Pentachlorophenol | Anthracene | Total (lbs) |
| 2024 | 3,300 | — | — | — | — | 3,306 |
| 2023 | 3,700 | — | — | — | — | 3,706 |
| 2022 | 2,300 | — | — | — | — | 2,304 |
| 2021 | 3,400 | — | — | — | — | 3,406 |
| 2020 | 3,500 | — | — | — | — | 3,506 |
| 2019 | 3,400 | — | — | — | — | 3,406 |
| 2018 | 2,400 | — | — | — | — | 2,404 |
| 2017 | 2,500 | — | — | — | — | 2,505 |
| 2016 | 2,500 | — | — | — | — | 2,504 |
| 2015 | 3,100 | — | — | 3 | — | 3,108 |
| 2014 | 2,800 | — | — | 4 | — | 2,809 |
| 2013 | 2,381 | — | — | 6 | — | 2,399 |
| 2012 | 2,700 | — | — | 3 | — | 2,713 |
| 2011 | 2,500 | — | — | 4 | — | 2,513 |
| 2010 | 2,800 | — | — | 5 | — | 2,814 |
| 2009 | 6,710 | — | — | 12 | — | 6,732 |
| 2008 | 6,401 | — | — | 5 | — | 6,413 |
| 2007 | 8,100 | — | — | 5 | — | 8,110 |
| 2006 | 5,700 | — | — | 6 | — | 5,711 |
| 2005 | 5,100 | — | — | 5 | — | 5,114 |
| 2004 | 6,305 | — | — | 15 | — | 6,349 |
| 2003 | 6,705 | — | — | 15 | — | 6,725 |
| 2002 | 8,410 | — | — | 20 | — | 8,439 |
| 2001 | 10,500 | — | — | 3 | — | 10,515 |
| 2000 | 9,114 | — | — | 2 | — | 9,127 |
| 1999 | 14,285 | — | — | 2 | — | 14,291 |
| 1998 | 28,961 | — | — | 18 | — | 28,985 |
| 1997 | 13,020 | — | — | 15 | — | 13,045 |
| 1996 | 11,258 | — | — | 17 | — | 11,285 |
| 1995 | 12,000 | — | — | 2 | — | 12,002 |
| 1994 | 35,000 | — | — | 29 | — | 35,029 |
| 1993 | 31,032 | — | — | 129 | — | 31,249 |
| 1992 | 29,125 | — | — | 392 | — | 29,696 |
| 1991 | 8,695 | — | — | 700 | — | 9,473 |
| 1990 | 12,284 | — | — | 283 | — | 12,634 |
| 1989 | — | 3,024 | 535 | 365 | 402 | 4,436 |
| 1988 | — | 3,490 | 1,036 | 1,527 | 916 | 7,099 |
| 1987 | — | — | 2,260 | — | — | 2,260 |
▎ 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.