Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
A.G. SIMPSON (USA) INC.
6640 STERLING DR S, STERLING HEIGHTS, MI, 48312
Parent company: A G SIMPSON (USA) INC
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 | Nickel compounds | Chromium | Chromium compounds (except for chromite ore mined in the Transvaal Region) | Nickel | Nickel And Nickel Compounds | Total (lbs) |
| 2024 | — | — | — | — | 20 | 21 |
| 2023 | — | — | — | — | 21 | 22 |
| 2022 | — | — | — | — | 19 | 19 |
| 2021 | 12 | — | 0 | — | — | 13 |
| 2020 | — | — | 0 | — | 19 | 19 |
| 2019 | 10 | — | — | — | — | 10 |
| 2018 | 7 | — | 0 | — | — | 8 |
| 2017 | 8 | — | 0 | — | — | 9 |
| 2016 | 18 | — | 0 | — | — | 19 |
| 2015 | 18 | — | 0 | — | — | 19 |
| 2014 | 18 | — | 0 | — | — | 19 |
| 2013 | 18 | — | 0 | — | — | 19 |
| 2012 | 18 | — | 0 | — | — | 19 |
| 2011 | 19 | — | 0 | — | — | 19 |
| 2010 | 19 | — | 0 | — | — | 19 |
| 2009 | 5 | — | — | — | — | 5 |
| 2008 | 5 | — | — | — | — | 5 |
| 2002 | 6 | — | — | — | — | 6 |
| 2001 | 17 | — | — | — | — | 17 |
| 2000 | 7 | — | — | — | — | 7 |
| 1999 | 5 | — | 5 | — | — | 10 |
| 1998 | 250 | — | 5 | — | — | 255 |
| 1997 | 250 | — | 5 | — | — | 255 |
| 1996 | — | 250 | — | 250 | — | 500 |
| 1995 | — | 250 | — | 250 | — | 500 |
| 1994 | — | 250 | — | 250 | — | 500 |
| 1993 | 250 | — | 250 | — | — | 500 |
| 1992 | 250 | — | 250 | — | — | 500 |
| 1991 | 250 | — | 250 | — | — | 500 |
| 1990 | — | 15 | — | 10 | — | 25 |
| 1989 | — | 250 | — | — | — | 250 |
▎ 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.