Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
CROMPTON MFG CO INC
280 ELM ST, NAUGATUCK, CT, 06770
Parent company: CROMPTON CORP
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 | o-Xylene | Acetone | Toluene | Ammonia | Chloroethane | Total (lbs) |
| 2002 | 65,243 | — | — | — | 10,087 | 95,767 |
| 2001 | 104,314 | — | — | — | 8,945 | 131,124 |
| 2000 | 43,614 | — | — | — | 5,736 | 86,373 |
| 1999 | 18,855 | — | — | — | 4,093 | 52,682 |
| 1998 | 185,527 | — | — | — | 24,870 | 248,211 |
| 1997 | 141,485 | — | 6,904 | 10 | 20,618 | 218,480 |
| 1996 | 104,096 | — | 1,513 | 10 | 24,095 | 171,377 |
| 1995 | 60,714 | — | 7,364 | 10 | 29,351 | 178,992 |
| 1994 | 8,193 | — | 785 | 10 | 10 | 36,800 |
| 1993 | 19,354 | 52,765 | — | 5 | 255 | 102,386 |
| 1992 | 30,846 | 52,849 | — | 9,438 | 255 | 130,247 |
| 1991 | 40,969 | 56,741 | 500 | 23,339 | 255 | 157,198 |
| 1990 | 16,235 | 81,155 | 25,907 | 20,264 | 755 | 187,429 |
| 1989 | 11,611 | 80,897 | 37,755 | 25,874 | 1,914 | 202,849 |
| 1988 | 500 | 76,543 | — | 32,810 | — | 137,957 |
| 1987 | — | — | 78,237 | 28,510 | — | 110,549 |
▎ 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.