Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
EXXON CO USA PITTSBURGH PLANT
100 35TH ST, PITTSBURGH, PA, 15201
Parent company: EXXON CORP
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 | 1,1,1-Trichloroethane | 1,1,2-Trichloroethane | Zinc compounds | Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | Antimony compounds | Total (lbs) |
| 1998 | — | — | 10 | 10 | — | 20 |
| 1997 | — | — | 10 | 10 | — | 30 |
| 1996 | — | — | 10 | 10 | 10 | 40 |
| 1995 | — | — | 10 | 10 | 10 | 30 |
| 1994 | — | — | 10 | 10 | 10 | 30 |
| 1993 | 255 | — | 10 | 10 | 10 | 285 |
| 1992 | 255 | — | 15 | 15 | 10 | 295 |
| 1991 | — | 255 | 15 | 10 | — | 280 |
| 1990 | 255 | — | 10 | 10 | — | 275 |
| 1989 | 250 | — | — | — | — | 250 |
▎ 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.