Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
HYPERTHERM INC
21 GREAT HOLLOW RD, HANOVER, NH, 03755
Parent company: HYPERTHERM INC
Carcinogen
PBT
— 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 | Copper | Lead | Total (lbs) | |||
| 2023 | 2 | — | 2 | |||
| 2022 | 5 | — | 5 | |||
| 2021 | 5 | — | 5 | |||
| 2020 | 5 | — | 5 | |||
| 2019 | 5 | — | 5 | |||
| 2018 | 5 | — | 5 | |||
| 2017 | 5 | — | 5 | |||
| 2016 | 5 | — | 5 | |||
| 2015 | 5 | — | 5 | |||
| 2014 | 5 | — | 5 | |||
| 2013 | 5 | — | 5 | |||
| 2012 | 5 | — | 5 | |||
| 2007 | — | 1 | 1 | |||
| 2005 | 5 | — | 5 | |||
| 2004 | 5 | — | 5 | |||
| 2003 | 5 | 0 | 5 | |||
| 2002 | 5 | 1 | 6 | |||
| 2001 | 5 | 1 | 6 | |||
| 2000 | 8 | — | 8 | |||
| 1999 | 10 | — | 10 | |||
| 1998 | 10 | — | 10 | |||
| 1997 | 10 | — | 10 | |||
| 1996 | 10 | — | 10 | |||
| 1995 | 10 | — | 10 | |||
| 1994 | 10 | — | 10 | |||
| 1993 | 10 | — | 10 | |||
| 1992 | 10 | — | 10 | |||
| 1991 | 10 | — | 10 | |||
▎ 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.