Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
BELL LABORATORIES INC.
3699 KINSMAN BLVD, MADISON, WI, 53704
Parent company: NA
Carcinogen
— 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 | Dichloromethane | Toluene | Methanol | 1,2-Dichloroethane | Total (lbs) | |
| 2024 | 255 | 255 | 255 | — | 765 | |
| 2023 | 1,796 | 1,712 | 484 | — | 3,992 | |
| 2022 | 1,662 | 755 | 255 | — | 2,672 | |
| 2021 | 4,468 | 755 | 255 | — | 5,478 | |
| 2020 | 1,000 | 755 | — | 5 | 1,760 | |
| 2019 | — | 255 | — | — | 255 | |
| 2017 | — | — | — | 250 | 250 | |
| 2016 | 1,103 | — | — | — | 1,103 | |
| 2015 | 1,103 | — | — | — | 1,103 | |
| 2014 | 750 | — | — | — | 750 | |
| 2013 | 750 | — | — | — | 750 | |
| 2012 | 565 | — | — | — | 565 | |
| 2011 | 500 | — | — | — | 500 | |
| 2006 | 633 | — | — | — | 633 | |
| 2005 | 442 | — | — | — | 442 | |
| 2004 | 414 | — | — | — | 414 | |
| 2003 | 676 | — | — | — | 676 | |
| 2002 | 561 | — | — | — | 561 | |
| 2001 | 525 | — | — | — | 525 | |
| 2000 | 631 | — | — | — | 631 | |
| 1999 | 215 | — | — | — | 215 | |
| 1998 | 1,638 | — | — | — | 1,638 | |
| 1997 | 750 | — | — | — | 750 | |
▎ 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.