Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
SAFETY-KLEEN SYSTEMS MASON (MMB)
700 ZIMMERMAN RD, MASON, MI, 48854
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 | Total (lbs) | |||
| 2024 | 1 | — | 1 | |||
| 2023 | 2 | — | 2 | |||
| 2022 | 2 | — | 2 | |||
| 2021 | 3 | — | 3 | |||
| 2016 | 2 | — | 2 | |||
| 2015 | 2 | — | 2 | |||
| 2014 | 3 | — | 3 | |||
| 2013 | 54 | — | 54 | |||
| 2012 | 105 | 0 | 105 | |||
| 2011 | 106 | 0 | 106 | |||
| 2010 | 70 | 0 | 70 | |||
| 2009 | 18 | — | 18 | |||
| 2008 | 12 | — | 12 | |||
| 2007 | 47 | — | 47 | |||
| 2006 | 8 | — | 8 | |||
| 2005 | 42 | — | 42 | |||
| 2004 | 23 | — | 23 | |||
| 2003 | 11 | — | 11 | |||
| 2002 | 10 | — | 10 | |||
| 2001 | 8 | — | 8 | |||
| 2000 | 10 | 11 | 21 | |||
| 1998 | 8 | — | 8 | |||
▎ 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.