Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
UPJOHN CO FINE CHEMICAL DIV
41 STILES LN, NORTH HAVEN, CT, 06473
Parent company: UPJOHN CO
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 | Sodium sulfate (solution) | Toluene | Benzene | 1,2-Dichloroethane | Methanol | Total (lbs) |
| 1993 | — | 1,630 | — | — | 4,690 | 6,530 |
| 1992 | — | 1,504 | — | — | 3,810 | 5,520 |
| 1991 | — | 1,481 | — | — | 3,460 | 5,163 |
| 1990 | — | 7,550 | 10,110 | — | 2,160 | 20,987 |
| 1989 | — | 15,204 | 13,807 | 2,150 | 2,100 | 40,033 |
| 1988 | — | 35,250 | — | — | — | 42,300 |
| 1987 | 6,400,000 | — | — | 16,920 | — | 6,417,420 |
▎ 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.