Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
METALMASTERS
5725 N RAVENSWOOD AVE, CHICAGO, IL, 60660
Parent company: GANTON TECH 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 | Aluminum (fume or dust) | Copper | Zinc (fume or dust) | Nickel | Total (lbs) | |
| 1990 | 10 | 10 | 10 | — | 30 | |
| 1989 | 500 | 500 | 500 | 500 | 2,000 | |
▎ 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.