Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
2334 PENNSYLVANIA AVE, MADISON, WI, 53704
Parent company: NA
Reported on-site TRI releases in pounds, grouped by reporting year.
The 10 chemicals with the highest cumulative on-site releases across all available years.
Rows are years. Columns show the five highest-total chemicals across all years plus each year's total release volume.
| Year | Zinc (fume or dust) | Copper | Lead | Total |
|---|---|---|---|---|
| 2024 | 277 | 12 | — | 289 |
| 2023 | 379 | 17 | — | 396 |
| 2022 | 315 | 14 | — | 329 |
| 2021 | 226 | 10 | — | 236 |
| 2020 | 228 | 10 | — | 238 |
| 2019 | 228 | 10 | — | 238 |
| 2018 | 483 | 21 | — | 504 |
| 2017 | 369 | 16 | — | 385 |
| 2016 | 340 | 15 | — | 355 |
| 2015 | 427 | 19 | — | 446 |
| 2014 | 480 | 21 | — | 501 |
| 2013 | 497 | 22 | — | 519 |
| 2012 | 449 | 20 | — | 469 |
| 2011 | 566 | 25 | — | 591 |
| 2010 | 624 | 28 | — | 652 |
| 2009 | 430 | 19 | — | 449 |
| 2008 | 445 | 20 | — | 465 |
| 2007 | 458 | 20 | — | 478 |
| 2006 | 432 | 19 | — | 451 |
| 2005 | 908 | 40 | 1 | 949 |
| 2004 | 1,085 | 48 | 1 | 1,134 |
| 2003 | 954 | 42 | 1 | 997 |
| 2002 | 1,647 | 73 | 1 | 1,721 |
| 2001 | 1,558 | 69 | 1 | 1,628 |
| 2000 | 2,206 | 98 | — | 2,304 |
| 1999 | 1,723 | 77 | — | 1,800 |
| 1998 | 10,461 | 465 | — | 10,926 |
| 1997 | 25,946 | 1,153 | — | 27,099 |
| 1996 | 25,053 | 1,113 | 219 | 26,385 |
| 1995 | 23,723 | 1,054 | 312 | 25,089 |
| 1994 | 20,967 | 932 | 896 | 22,795 |
| 1993 | 18,985 | 844 | 1,055 | 20,884 |
| 1992 | — | 605 | 756 | 1,361 |
| 1991 | — | 404 | 505 | 909 |
| 1990 | 12,037 | 535 | 669 | 13,241 |