Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
KOPPERS CO INC
1359 LOGAN AVE, YOUNGSTOWN, OH, 44505
Parent company: KOPPERS CO INC
Carcinogen
— 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 | Naphthalene | Total |
|---|---|---|
| 1987 | 3,078 | 3,078 |