Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
STEPHENS ROAD
13251 STEPHENS RD, WARREN, MI, 48089
Parent company: PIONEER METAL FINISHING
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 | Xylene (mixed isomers) | Methyl isobutyl ketone | Ethylbenzene | Toluene | Total (lbs) | |
| 2024 | 1,381 | 430 | 332 | — | 2,143 | |
| 2023 | 2,746 | 774 | 660 | — | 4,180 | |
| 2022 | 2,006 | 651 | 488 | — | 3,145 | |
| 2021 | 2,572 | 698 | 632 | — | 3,902 | |
| 2020 | 7,761 | 2,557 | 1,956 | — | 12,274 | |
| 2019 | 8,911 | 2,571 | 2,251 | — | 13,734 | |
| 2018 | 5,132 | 1,168 | 1,296 | — | 7,596 | |
| 2017 | 5,810 | 1,501 | 1,479 | — | 8,790 | |
| 2016 | 4,945 | 1,824 | 1,261 | — | 8,029 | |
| 2011 | 6,313 | 2,948 | 1,616 | 846 | 11,723 | |
| 2010 | 12,298 | 2,772 | 3,083 | 2,030 | 20,183 | |
| 2009 | 6,376 | — | — | — | 6,376 | |
| 2008 | 5,250 | 2,870 | — | 1,610 | 9,730 | |
| 2007 | 6,210 | 2,750 | — | 2,530 | 11,490 | |
| 2006 | 1,771 | 2,184 | — | 2,024 | 5,979 | |
▎ 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.