Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
HP HOOD LLC
1250 E ST S, SUFFIELD, CT, 06078
Parent company: HP HOOD LLC
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 | Ammonia | Phosphoric acid | Nitric acid | Total (lbs) | ||
| 2005 | 3,542 | — | 182 | 3,724 | ||
| 1999 | 11,568 | — | — | 11,568 | ||
| 1998 | 8,957 | — | — | 8,957 | ||
| 1997 | 8,250 | — | — | 8,250 | ||
| 1996 | 13,800 | — | — | 13,800 | ||
| 1995 | 16,650 | — | — | 16,650 | ||
| 1994 | 18,150 | — | — | 18,150 | ||
| 1993 | 15,750 | — | — | 15,750 | ||
| 1992 | 26,250 | — | — | 26,250 | ||
| 1991 | 27,250 | — | — | 27,250 | ||
| 1990 | 34,250 | — | — | 34,250 | ||
| 1989 | 54,000 | — | — | 54,000 | ||
| 1988 | — | 250 | — | 250 | ||
▎ 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.