Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
HADCO CORP TECHNOLOGY CENTER ONE DIV
7 MANOR PKY, SALEM, NH, 03079
Parent company: HADCO CORP
Top chemical totals
The 10 chemicals with the highest cumulative on-site releases 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.
| Year | Ammonia | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Copper | Total |
|---|---|---|---|---|
| 1998 | 9,050 | — | 5 | 9,055 |
| 1997 | 13,306 | — | — | 13,306 |
| 1996 | 13,267 | — | — | 13,267 |
| 1995 | 5,747 | — | — | 5,747 |
| 1994 | 1,597 | 113 | — | 1,710 |
| 1993 | 1,232 | 117 | — | 1,349 |
| 1992 | 1,306 | 94 | — | 1,400 |
| 1991 | 853 | 110 | — | 963 |
| 1990 | 583 | 130 | — | 713 |
| 1989 | 337 | 86 | — | 423 |
| 1987 | — | 287 | — | 287 |