Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
THOMSON PRECISION BALL CO LLC
37 MILL ST, UNIONVILLE, CT, 06085
Parent company: THOMSON IND INC
Carcinogen
— 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 | Aluminum oxide (fibrous forms) | Nickel | Manganese | Chromium compounds (except for chromite ore mined in the Transvaal Region) | Copper compounds | Total |
|---|---|---|---|---|---|---|
| 2000 | — | 10 | — | — | — | 20 |
| 1999 | 255 | — | — | — | — | 265 |
| 1998 | 255 | — | — | — | — | 265 |
| 1997 | 255 | — | — | — | — | 265 |
| 1996 | 10 | — | — | — | — | 30 |
| 1995 | 5 | 250 | — | — | — | 265 |
| 1994 | 250 | — | — | — | — | 260 |
| 1993 | 5 | — | — | — | — | 15 |
| 1992 | 5 | 5 | 250 | — | — | 275 |
| 1991 | 5 | 5 | 250 | — | — | 275 |
| 1990 | 5 | 5 | — | — | — | 20 |
| 1989 | 250 | 250 | 1 | — | — | 1,001 |
| 1988 | — | — | — | 500 | 500 | 1,565 |
| 1987 | 1,550 | — | — | — | — | 1,550 |