Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
HOLOGIC INC
4 NAVIGATOR RD, LONDONDERRY, NH, 03053
Parent company: HOLOGIC 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 | Methanol | Total (lbs) | ||||
| 2024 | 255 | 255 | ||||
| 2023 | 255 | 255 | ||||
| 2022 | 2,505 | 2,505 | ||||
| 2021 | 2,505 | 2,505 | ||||
| 2020 | 2,505 | 2,505 | ||||
| 2019 | 2,205 | 2,205 | ||||
| 2018 | 2,205 | 2,205 | ||||
| 2017 | 2,205 | 2,205 | ||||
| 2016 | 2,205 | 2,205 | ||||
| 2015 | 2,205 | 2,205 | ||||
| 2014 | 2,205 | 2,205 | ||||
| 2013 | 2,205 | 2,205 | ||||
| 2012 | 2,205 | 2,205 | ||||
| 2011 | 2,135 | 2,135 | ||||
| 2010 | 2,135 | 2,135 | ||||
| 2009 | 2,135 | 2,135 | ||||
| 2008 | 2,135 | 2,135 | ||||
| 2007 | 2,135 | 2,135 | ||||
| 2006 | 1,522 | 1,522 | ||||
| 2005 | 916 | 916 | ||||
| 2004 | 916 | 916 | ||||
| 2003 | 885 | 885 | ||||
| 2002 | 255 | 255 | ||||
▎ 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.