Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
COOKSON PERFORMANCE PLASTICS
1001 SOUTHBRIDGE ST, WORCESTER, MA, 01610
Parent company: COOKSON AMERICA INC
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 | Antimony compounds | Chromium compounds (except for chromite ore mined in the Transvaal Region) | Lead compounds | Zinc compounds | Total (lbs) | |
| 1988 | 13,052 | 250 | 250 | 250 | 13,802 | |
| 1987 | 2,446 | — | — | — | 2,446 | |
▎ 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.