Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
BIRKEN MANUFACTURING CO
3 OLD WINDSOR RD, BLOOMFIELD, CT, 06002
Parent company: NA
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 | 1,1,1-Trichloroethane | Chromium compounds (except for chromite ore mined in the Transvaal Region) | Total (lbs) | |||
| 1993 | — | 250 | 250 | |||
| 1992 | — | 250 | 250 | |||
| 1991 | 5,200 | — | 5,200 | |||
| 1990 | 7,700 | — | 7,700 | |||
| 1989 | 13,400 | — | 13,400 | |||
| 1988 | 24,500 | — | 24,500 | |||
| 1987 | 20,000 | — | 20,000 | |||
▎ 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.