Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
DITRIC OPTICS
312 MAIN ST, HUDSON, MA, 017490455
Parent company: SIGNAL TECH 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 | 1,1,1-Trichloroethane | Total |
|---|---|---|
| 1989 | 4,688 | 4,688 |
| 1988 | 5,444 | 5,444 |