Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
KOPPERS INDUSTRIES INC HOUSTON TAR PLANT
GREENSPORT INDL PARK GATE 5, HOUSTON, TX, 77015
Parent company: KOPPERS INDUSTRIES INC
Carcinogen
PBT
— EPA classifications across all reporting years
Top chemical totals
The 10 chemicals with the highest cumulative on-site releases 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.
| Year | Benzene | Creosote | Naphthalene | Dibenzofuran | Anthracene | Total |
|---|---|---|---|---|---|---|
| 1996 | 6,305 | 3,500 | 3,250 | 255 | 15 | 13,580 |
| 1995 | 6,685 | 7,300 | 3,370 | 500 | 500 | 18,610 |
| 1994 | 10,005 | 6,200 | 4,250 | 500 | 255 | 22,230 |
| 1993 | 10,095 | 8,100 | 5,950 | 500 | 255 | 25,920 |
| 1992 | 6,805 | 8,800 | 4,240 | 500 | 255 | 21,620 |
| 1991 | 4,371 | 13,473 | 2,793 | 255 | 260 | 22,177 |
| 1990 | 5,508 | 15,844 | 3,617 | 505 | 505 | 27,994 |
| 1989 | 7,603 | — | 7,814 | 1,000 | 1,000 | 18,417 |
| 1988 | — | — | — | 500 | 500 | 1,500 |
| 1987 | 6,188 | — | — | — | — | 6,438 |