Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
KOPPERS INC.
1415 LOUISVILLE ST, MONTGOMERY, AL, 36104
Parent company: NA
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 | Pentachlorophenol | Chromium | Naphthalene | Copper | Total (lbs) |
| 2005 | 3,421 | — | — | — | — | 3,423 |
| 2004 | 4,805 | — | — | — | — | 4,808 |
| 2003 | 5,780 | — | — | — | — | 5,787 |
| 2002 | 4,410 | — | — | — | — | 4,429 |
| 2001 | 6,000 | — | — | — | — | 6,006 |
| 2000 | 11,258 | 103 | — | — | — | 11,572 |
| 1999 | 10,977 | 108 | 122 | — | — | 11,248 |
| 1998 | 17,272 | 57 | 168 | — | — | 17,497 |
| 1997 | 11,671 | 483 | 724 | — | — | 12,878 |
| 1996 | 11,299 | 6,989 | 943 | — | 847 | 20,078 |
| 1995 | 10,463 | 954 | 799 | — | 505 | 12,809 |
| 1994 | 13,341 | 428 | 350 | — | 150 | 14,389 |
| 1993 | 14,502 | 439 | 330 | — | 100 | 15,393 |
| 1992 | 17,200 | 45 | — | — | — | 17,245 |
| 1991 | 12,910 | 46 | — | — | — | 12,956 |
| 1990 | 10,156 | 81 | — | — | — | 10,237 |
| 1989 | — | 198 | — | 1,774 | — | 2,648 |
| 1988 | — | 660 | — | — | — | 1,062 |
| 1987 | — | 750 | — | — | — | 750 |
▎ 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.