Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
TELEDYNE PRINTED CIRCUIT TECHNOLOGY
110 LOWELL RD, HUDSON, NH, 03051
Parent company: TELEDYNE TECHNOLOGIES INC
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 | Freon 113 (CFC-113) | Ammonia | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Copper | Copper compounds | Total (lbs) |
| 1998 | — | — | 255 | — | — | 255 |
| 1997 | — | 255 | 255 | — | — | 510 |
| 1996 | — | 255 | 255 | — | — | 510 |
| 1995 | — | 255 | 255 | — | — | 510 |
| 1994 | — | 255 | 255 | — | — | 510 |
| 1993 | — | 255 | 255 | — | — | 510 |
| 1992 | — | 255 | 255 | 10 | — | 520 |
| 1991 | — | 255 | 255 | 10 | — | 520 |
| 1990 | 15,720 | 500 | 250 | — | 5 | 16,475 |
| 1989 | — | 500 | — | — | — | 500 |
▎ 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.