Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
SAFETY-KLEEN SYSTEMS INC.
3715 LEXINGTON AVE, MADISON, WI, 53714
Parent company: CLEAN HARBORS 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 | Ethylene glycol | Polycyclic aromatic compounds | Zinc compounds | Benzo[g,h,i]perylene | Total (lbs) | |
| 2024 | 3 | 18 | — | 2 | 24 | |
| 2023 | 3 | 18 | — | 2 | 24 | |
| 2022 | 3 | 18 | — | 2 | 24 | |
| 2021 | 3 | 18 | 10 | 2 | 33 | |
| 2020 | — | 17 | — | 2 | 19 | |
| 2019 | — | 0 | — | 0 | 0 | |
| 2018 | — | 0 | — | — | 0 | |
| 2017 | — | 0 | — | — | 0 | |
| 2016 | — | 0 | — | — | 0 | |
| 2015 | — | 1 | — | — | 1 | |
| 2014 | 111 | 68 | — | — | 179 | |
| 2013 | 111 | 68 | — | — | 179 | |
| 2012 | 111 | 68 | — | — | 179 | |
| 2011 | 111 | 70 | — | — | 181 | |
| 2010 | 111 | 71 | — | — | 182 | |
| 2009 | 111 | 81 | — | — | 192 | |
| 2008 | 110 | 81 | — | — | 191 | |
| 2007 | 110 | 73 | — | — | 183 | |
▎ 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.