Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
QUANEX IG SYSTEMS
800 COCHRAN RD, CAMBRIDGE, OH, 43725
Parent company: QUANEX BUILDING PRODUCTS CORP
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 | Dichloromethane | 1,1,1-Trichloroethane | Freon 113 (CFC-113) | Ammonia | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Total (lbs) |
| 1991 | — | — | 35,100 | — | — | 35,100 |
| 1990 | 147,988 | 32,575 | 22,223 | 3,390 | 10 | 206,196 |
| 1989 | 144,485 | 37,280 | 11,405 | 16,951 | 500 | 211,371 |
| 1988 | — | 14,250 | — | — | — | 14,250 |
| 1987 | 16,100 | — | — | — | — | 16,100 |
▎ 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.