Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
TOPPER & GRIGGS INC
339 COOKE ST, PLAINVILLE, CT, 06062
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 | Xylene (mixed isomers) | Manganese | Total (lbs) | |||
| 1994 | 11,811 | 4 | 11,815 | |||
| 1993 | 11,533 | 4 | 11,537 | |||
| 1992 | 10,770 | 5 | 10,775 | |||
| 1991 | 10,390 | 5 | 10,395 | |||
| 1990 | 15,000 | 10 | 15,010 | |||
| 1989 | 19,000 | 13 | 19,013 | |||
| 1988 | 16,000 | — | 16,000 | |||
▎ 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.