Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
TELEDYNE VASCO COLONIAL PLANT
PENNSYLVANIA AVE EXTENSION, MONACA, PA, 15061
Parent company: ALLEGHENY TELEDYNE 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 | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Nitric acid | Chromium | Vanadium (except when contained in an alloy) | Cobalt | Total (lbs) |
| 1992 | — | — | 255 | — | — | 255 |
| 1991 | — | — | 255 | 255 | — | 510 |
| 1990 | 4,400 | 750 | 500 | 255 | 255 | 6,160 |
| 1989 | 4,400 | 750 | 500 | 500 | 500 | 6,650 |
| 1988 | — | 1,355 | — | — | — | 1,355 |
| 1987 | 1,950 | — | — | — | — | 1,950 |
▎ 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.