Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
1901 WOOD TREATMENT RD, LELAND, NC, 28451
Parent company: KOPPERS UTILITY & INDUSTRIAL PRODUCTS
Reported on-site TRI releases in pounds, grouped by reporting year.
The 10 chemicals with the highest cumulative on-site releases across all available years.
Rows are years. Columns show the five highest-total chemicals across all years plus each year's total release volume.
| Year | Creosote | Naphthalene | Pentachlorophenol | Arsenic compounds | Lead | Total |
|---|---|---|---|---|---|---|
| 2024 | — | — | — | — | 6 | 25 |
| 2023 | — | — | — | — | 5 | 21 |
| 2022 | — | — | — | — | 42 | 54 |
| 2021 | — | — | 3 | — | 39 | 104 |
| 2020 | — | — | 7 | 40 | 35 | 97 |
| 2019 | — | — | 1 | 17 | 41 | 66 |
| 2018 | — | — | 3 | 25 | 38 | 74 |
| 2017 | — | — | 11 | 37 | 51 | 134 |
| 2016 | — | — | — | 65 | — | 70 |
| 2015 | — | — | — | 21 | — | 23 |
| 2014 | — | — | — | 6 | — | 8 |
| 2013 | — | — | 7 | 9 | — | 32 |
| 2012 | — | — | 8 | — | — | 8 |
| 2011 | — | — | 3 | — | — | 3 |
| 2010 | — | — | 11 | — | — | 11 |
| 2009 | — | — | — | 17 | — | 22 |
| 2008 | — | — | 5 | 73 | — | 87 |
| 2007 | — | — | — | — | — | 0 |
| 2006 | — | — | — | — | — | 1 |
| 2005 | — | — | 3 | 27 | — | 188 |
| 2004 | — | — | 4 | — | — | 4 |
| 2003 | — | — | 3 | — | — | 3 |
| 2002 | — | — | 6 | — | — | 6 |
| 2001 | — | — | 7 | — | — | 7 |
| 2000 | — | — | 8 | — | — | 8 |
| 1999 | — | — | 5 | — | — | 5 |
| 1998 | — | — | 4 | — | — | 4 |
| 1997 | — | — | 2 | — | — | 2 |
| 1996 | — | — | 2 | — | — | 2 |
| 1995 | — | — | 121 | — | — | 121 |
| 1994 | — | — | 261 | — | — | 261 |
| 1993 | — | — | 288 | — | — | 288 |
| 1992 | — | — | 1 | — | — | 1 |
| 1991 | 3,874 | — | 3 | — | — | 3,877 |
| 1990 | 10,655 | — | 5 | — | — | 10,660 |
| 1989 | — | 602 | 2 | — | — | 722 |
| 1987 | — | 1,152 | — | — | — | 1,156 |