Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
NATIONAL COPPER PRODUCTS
415 E PRAIRIE RONDE ST, DOWAGIAC, MI, 49047
Parent company: NATIONAL TUBE HOLDING CO
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 | 1,1,1-Trichloroethane | Freon 113 (CFC-113) | Trichloroethylene | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Copper | Total (lbs) |
| 2007 | — | — | — | — | 519 | 519 |
| 2006 | — | — | — | — | 555 | 555 |
| 2005 | — | — | — | — | 533 | 533 |
| 2004 | — | — | — | — | 601 | 601 |
| 2003 | — | — | — | — | 517 | 517 |
| 2002 | — | — | — | — | 542 | 542 |
| 2001 | — | — | — | — | 658 | 658 |
| 2000 | — | — | — | — | 629 | 629 |
| 1999 | — | — | — | — | 611 | 611 |
| 1998 | — | — | — | — | 631 | 631 |
| 1997 | — | — | — | — | 555 | 555 |
| 1996 | — | — | — | — | 606 | 606 |
| 1995 | — | — | — | — | 495 | 495 |
| 1994 | — | — | — | — | 394 | 394 |
| 1993 | — | — | — | — | 276 | 276 |
| 1992 | 15,883 | — | — | — | 218 | 16,101 |
| 1991 | 65,031 | — | — | — | 249 | 65,280 |
| 1990 | 75,245 | 11,730 | — | — | 260 | 87,235 |
| 1989 | 96,612 | 107,640 | 11,509 | 29,968 | 500 | 246,229 |
| 1988 | — | 101,540 | — | 21,907 | 500 | 123,947 |
| 1987 | 83,210 | — | 46,060 | — | — | 129,270 |
▎ 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.