Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
5601 MANOR WOODS RD, FREDERICK, MD, 21703
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 | Carbonyl sulfide | Hydrogen fluoride | Aluminum oxide (fibrous forms) | 1,1,1-Trichloroethane | Aluminum (fume or dust) | Total |
|---|---|---|---|---|---|---|
| 2009 | — | — | — | — | — | 82 |
| 2008 | — | — | — | — | — | 118 |
| 2007 | — | — | — | — | — | 148 |
| 2006 | — | — | — | — | — | 791 |
| 2005 | 756,700 | 118,700 | — | — | — | 888,535 |
| 2004 | 716,700 | 123,900 | — | — | — | 859,806 |
| 2003 | 778,000 | 110,400 | — | — | — | 907,213 |
| 2002 | 730,300 | 138,000 | — | — | 500 | 904,503 |
| 2001 | 430,000 | 110,000 | — | — | 18,110 | 564,870 |
| 2000 | 469,400 | 107,000 | — | — | 19,210 | 617,256 |
| 1999 | 471,000 | 105,000 | — | — | 10,110 | 601,370 |
| 1998 | 537,000 | 124,000 | — | — | 16,260 | 696,090 |
| 1997 | 249,000 | 98,000 | — | — | 14,270 | 367,170 |
| 1996 | 257,000 | 122,000 | — | — | 21,270 | 400,270 |
| 1995 | 261,000 | 102,000 | — | — | 8,065 | 371,080 |
| 1994 | 252,000 | 108,400 | — | — | 4,665 | 365,080 |
| 1993 | 252,000 | 101,000 | — | — | 4,265 | 357,569 |
| 1992 | 253,000 | 74,000 | — | — | 5,365 | 332,648 |
| 1991 | 253,000 | 85,000 | — | — | 4,165 | 342,500 |
| 1990 | 254,000 | 64,000 | — | — | 1,565 | 320,045 |
| 1989 | 260,000 | 78,000 | — | 38,000 | 2,350 | 379,730 |
| 1988 | — | 54,000 | 1,576,900 | 92,000 | — | 1,723,820 |
| 1987 | — | — | — | 92,000 | — | 93,150 |