Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
ALLEGHENY LUDLUM CORP
415 OBERLIN AVE, MASSILLON, OH, 446484813
Parent company: ALLEGHENY TECHNOLOGIES INC
Carcinogen
— 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 | Hydrogen fluoride | Chromium compounds (except for chromite ore mined in the Transvaal Region) | Nitric acid | Nickel compounds | Manganese compounds | Total (lbs) |
| 2002 | 250 | 250 | 255 | 250 | 5 | 1,010 |
| 2001 | 255 | 250 | 255 | 250 | 5 | 1,015 |
| 2000 | 255 | 255 | 255 | 10 | 10 | 785 |
| 1999 | 255 | 255 | 10 | 255 | — | 785 |
▎ 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.