Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
PITTSBURGH FLATROLL CO
31ST ST & AVRR, PITTSBURGH, PA, 15201
Parent company: FARRELL & CO
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 | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | Nickel compounds | Nitric acid | Chromium compounds (except for chromite ore mined in the Transvaal Region) | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Total |
|---|---|---|---|---|---|---|
| 1999 | 31,631 | — | 74 | — | — | 32,279 |
| 1998 | 33,466 | — | 62 | — | — | 34,092 |
| 1997 | 33,454 | — | 78 | — | — | 34,313 |
| 1996 | 29,328 | — | 3,614 | — | — | 33,953 |
| 1995 | — | — | 62 | — | — | 474 |
| 1994 | — | 171 | 66 | 87 | — | 374 |
| 1993 | — | 156 | 128 | 69 | 128 | 922 |
| 1992 | — | 750 | 500 | 750 | 500 | 3,265 |
| 1991 | — | — | 500 | — | 500 | 1,530 |
| 1990 | — | 750 | 500 | 505 | 500 | 3,015 |
| 1989 | — | 591 | 44 | 94 | 794 | 1,613 |
| 1988 | — | 7,000 | 500 | 750 | — | 10,000 |
| 1987 | — | — | — | 750 | — | 750 |