Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
DU PONT MONTAGUE WORKS
6270 WILKES RD, MONTAGUE, MI, 49437
Parent company: E I DU PONT DE NEMOURS & CO 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 | Freon 113 (CFC-113) | Dichlorodifluoromethane (CFC-12) | Chloroform | Trichlorofluoromethane (CFC-11) | Chlorodifluoromethane (HCFC-22) | Total (lbs) |
| 1996 | — | — | — | — | 1,029 | 1,029 |
| 1995 | 4,725 | 140,232 | 2,195 | 37,004 | 67,824 | 263,288 |
| 1994 | 6,314 | 101,818 | 6,305 | 13,030 | 40,868 | 180,439 |
| 1993 | 10,147 | 26,610 | 2,500 | 53,867 | — | 96,231 |
| 1992 | 26,478 | 12,978 | 23,349 | 33,657 | — | 102,860 |
| 1991 | 29,391 | 9,299 | 21,279 | 14,289 | — | 81,244 |
| 1990 | 43,380 | — | 22,072 | — | — | 74,245 |
| 1989 | 116,072 | — | 46,977 | — | — | 173,436 |
| 1988 | 183,414 | — | 38,831 | — | — | 233,123 |
| 1987 | — | — | — | — | — | 50 |
▎ 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.