Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
NATIONAL METALWARES LP
900 N RUSSEL AVE, AURORA, IL, 60506
Parent company: NA
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 | Xylene (mixed isomers) | Chromium compounds (except for chromite ore mined in the Transvaal Region) | Copper | Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | Total (lbs) | |
| 2018 | — | — | 6 | — | 6 | |
| 2017 | — | — | 6 | — | 6 | |
| 2016 | — | — | 17 | 12 | 29 | |
| 2015 | — | — | 7 | — | 7 | |
| 2014 | — | — | 6 | — | 6 | |
| 2013 | — | — | 6 | 27 | 33 | |
| 2012 | — | — | 6 | — | 6 | |
| 1995 | 295 | — | — | — | 295 | |
| 1991 | 10,033 | — | — | — | 10,033 | |
| 1988 | — | 1,000 | — | — | 1,000 | |
▎ 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.