Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
PRINTED CIRCUIT CORP
10 MICRO DR, WOBURN, MA, 01801
Parent company: NA
Carcinogen
PBT
— EPA classifications across all reporting years
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 | Dichloromethane | Ammonia | 1,1,1-Trichloroethane | Methanol | Ethylene glycol | Total (lbs) |
| 2001 | — | 6,294 | — | — | — | 6,741 |
| 2000 | — | 12,882 | — | — | — | 13,150 |
| 1999 | — | 7,400 | — | — | — | 7,704 |
| 1998 | — | 17,786 | — | — | — | 18,291 |
| 1997 | — | 11,000 | — | — | — | 16,521 |
| 1996 | — | 16,000 | — | — | — | 16,557 |
| 1995 | — | 27,000 | — | — | — | 28,235 |
| 1994 | — | 29,000 | — | — | — | 31,095 |
| 1993 | — | 52,853 | — | — | — | 54,373 |
| 1992 | — | 68,200 | 61,530 | — | — | 131,220 |
| 1991 | — | 32,400 | 68,500 | — | — | 100,900 |
| 1990 | 96,000 | 26,500 | 11,925 | 14,280 | — | 148,705 |
| 1989 | 266,300 | 29,600 | 10,650 | 29,600 | — | 336,150 |
| 1988 | 509,300 | 9,300 | — | 57,000 | — | 575,600 |
| 1987 | 489,000 | 11,500 | 30,000 | — | 54,400 | 584,900 |
▎ 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.