Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
ARKWRIGHT
385 LONG HILL RD, GUILFORD, CT, 06437
Parent company: ARKWRIGHT INC
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 | Acetone | Methanol | Toluene | Methyl ethyl ketone | Total (lbs) | |
| 1998 | — | 1,500 | — | — | 1,500 | |
| 1997 | — | 1,510 | — | — | 1,510 | |
| 1996 | — | 1,640 | — | — | 1,640 | |
| 1995 | — | 1,640 | 1,338 | — | 2,978 | |
| 1994 | — | 1,630 | 1,342 | — | 2,972 | |
| 1993 | 3,690 | 1,900 | — | — | 5,590 | |
| 1992 | 5,200 | 2,160 | 3,726 | — | 11,086 | |
| 1991 | 5,200 | 2,460 | 1,670 | — | 9,330 | |
| 1990 | 7,100 | 2,450 | 1,840 | 620 | 12,010 | |
| 1989 | 6,700 | 2,600 | 2,270 | 900 | 12,470 | |
| 1988 | — | 2,750 | 1,850 | — | 4,600 | |
| 1987 | 47,750 | 2,750 | 2,450 | 1,000 | 53,950 | |
▎ 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.