Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
ALLEGHENY LUDLUM CORP
U S HWY 66 & LOWRY, CLAREMORE, OK, 74018
Parent company: NA
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 | Chromium compounds (except for chromite ore mined in the Transvaal Region) | Nickel compounds | Ammonia | Total |
|---|---|---|---|---|
| 1996 | 10 | 10 | — | 20 |
| 1995 | 10 | 10 | — | 20 |
| 1994 | 10 | 10 | — | 20 |
| 1993 | 10 | 10 | — | 20 |
| 1992 | 10 | 10 | — | 20 |
| 1991 | 10 | 10 | 5 | 25 |
| 1990 | 10 | 10 | 5 | 25 |
| 1989 | 500 | 500 | 250 | 1,250 |
| 1988 | 500 | 500 | 250 | 1,250 |
| 1987 | 500 | — | — | 500 |