Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
BST SYSTEMS INC
78 PLAINFIELD PIKE RD, PLAINFIELD, CT, 06374
Parent company: NA
PBT
— EPA classifications across all reporting years
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 | Zinc compounds | Silver | Lead compounds | Mercury compounds | Total |
|---|---|---|---|---|---|
| 2017 | — | — | — | 0 | 0 |
| 2011 | — | — | 0 | — | 0 |
| 1990 | 5 | 2 | — | — | 7 |