Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
ENTHONE
144 HARVEY RD, LONDONDERRY, NH, 03053
Parent company: COOKSON AMERICA PLC
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 | Certain glycol ethers | Nitric acid | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | N-Methyl-2-pyrrolidone | Total (lbs) | |
| 2003 | 299 | 14 | 14 | — | 327 | |
| 2002 | 162 | 58 | 57 | — | 277 | |
| 2001 | 185 | 46 | 45 | — | 276 | |
| 2000 | 367 | 55 | 54 | — | 476 | |
| 1999 | 2 | — | — | 5 | 7 | |
| 1998 | 2 | — | — | — | 2 | |
| 1997 | 2 | — | — | — | 2 | |
| 1996 | — | 1 | — | — | 1 | |
| 1995 | — | 10 | — | — | 10 | |
| 1994 | 1 | 10 | — | — | 11 | |
▎ 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.