Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
GREAT LAKES COMPOSITES LLC
401 S DELANEY RD, OWOSSO, MI, 48867
Parent company: NATIONAL COMPOSITES LLC
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 | Styrene | Acetone | Methyl methacrylate | Total (lbs) | ||
| 2023 | 12,247 | — | — | 12,247 | ||
| 2022 | 19,081 | — | — | 19,081 | ||
| 2021 | 33,142 | — | — | 33,142 | ||
| 2020 | 16,049 | — | — | 16,049 | ||
| 2019 | 20,915 | — | — | 20,915 | ||
| 2018 | 26,379 | — | — | 26,379 | ||
| 2017 | 11,546 | — | — | 11,546 | ||
| 2005 | 40,878 | — | — | 40,878 | ||
| 2004 | 40,100 | — | — | 40,100 | ||
| 2003 | 40,653 | — | — | 40,653 | ||
| 2002 | 32,568 | — | — | 32,568 | ||
| 2001 | 32,433 | — | — | 32,433 | ||
| 2000 | 37,832 | — | — | 37,832 | ||
| 1999 | 44,202 | — | — | 44,202 | ||
| 1998 | 42,826 | — | — | 42,826 | ||
| 1997 | 23,565 | — | — | 23,565 | ||
| 1996 | 12,529 | — | — | 12,529 | ||
| 1995 | 15,278 | — | 5,235 | 20,513 | ||
| 1994 | 17,286 | — | 9,752 | 27,038 | ||
| 1993 | 11,912 | 12,135 | 6,214 | 30,261 | ||
| 1992 | 9,258 | 10,795 | — | 20,053 | ||
| 1991 | 13,091 | 20,574 | — | 33,665 | ||
| 1990 | 16,247 | 18,221 | — | 34,468 | ||
| 1989 | 6,045 | 18,420 | — | 24,465 | ||
| 1988 | — | 19,235 | — | 19,235 | ||
▎ 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.