Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
CHESTER PRECISION
RESEARCH PARK SITE B, CHESTER, CT, 06412
Parent company: OHAUS MANAGEMENT
Carcinogen
— 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 | Tetrachloroethylene | Total (lbs) | ||||
| 1995 | 4,667 | 4,667 | ||||
| 1994 | 6,574 | 6,574 | ||||
| 1993 | 3,961 | 3,961 | ||||
| 1992 | 7,038 | 7,038 | ||||
| 1991 | 7,870 | 7,870 | ||||
▎ 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.