Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
520 LINCOLN AVE, DOWNINGTOWN, PA, 19335
Parent company: ALCOA INC
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 | Toluene | Methyl ethyl ketone | Methanol | Certain glycol ethers | N-Methyl-2-pyrrolidone | Total |
|---|---|---|---|---|---|---|
| 2000 | — | — | — | — | 6,916 | 6,916 |
| 1998 | — | — | — | — | 16,259 | 16,259 |
| 1997 | — | 1,897 | — | — | 16,099 | 17,996 |
| 1996 | — | — | — | — | 20,166 | 20,166 |
| 1995 | — | — | — | 8,500 | — | 8,500 |
| 1994 | 1,650 | 1,800 | — | 18,200 | — | 21,650 |
| 1993 | 3,700 | 3,190 | — | 23,000 | — | 29,890 |
| 1992 | 11,400 | 6,600 | — | 22,600 | — | 40,600 |
| 1991 | 17,000 | 7,900 | 4,250 | 19,600 | — | 48,750 |
| 1990 | 48,241 | 57,180 | 19,651 | 17,318 | — | 142,390 |
| 1989 | 33,111 | 41,032 | 6,193 | 12,142 | — | 92,478 |
| 1988 | 81,700 | 31,200 | 15,500 | — | — | 128,400 |
| 1987 | 186,000 | 213,000 | 80,000 | — | — | 479,000 |