Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
300 CALDWELL AVE, WASHINGTON, PA, 15301
Parent company: UNOCAL CORP
Reported on-site TRI releases in pounds, grouped by reporting year.
The 10 chemicals with the highest cumulative on-site releases across all available years.
Rows are years. Columns show the five highest-total chemicals across all years plus each year's total release volume.
| Year | Molybdenum trioxide | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Ammonia | Lead compounds | Total |
|---|---|---|---|---|---|
| 2001 | 1,155 | — | — | 0 | 1,155 |
| 2000 | 1,574 | — | — | — | 1,574 |
| 1999 | 1,474 | — | — | — | 1,474 |
| 1998 | 1,500 | — | — | — | 1,500 |
| 1997 | 1,000 | — | — | — | 1,000 |
| 1996 | 1,010 | — | — | — | 1,010 |
| 1995 | 15 | — | — | — | 15 |
| 1994 | 505 | — | — | — | 505 |
| 1993 | 505 | — | — | — | 505 |
| 1992 | 1,768 | — | — | — | 1,768 |
| 1991 | 18,774 | 9,258 | 3,650 | — | 31,682 |
| 1990 | 10,734 | — | — | — | 10,734 |
| 1989 | 6,450 | — | — | — | 6,450 |
| 1988 | 7,041 | — | — | — | 7,041 |