Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
HAMILTON WELDING CO
2200 REFUGEE RD FRANKLIN, COLUMBUS, OH, 432072843
Parent company: HAMILTON WELDING 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 | Styrene | Xylene (mixed isomers) | Chromium | Total (lbs) | ||
| 1999 | 6,978 | — | — | 6,978 | ||
| 1998 | 8,725 | — | — | 8,725 | ||
| 1997 | 5,361 | — | — | 5,361 | ||
| 1996 | 5,443 | — | 1,517 | 6,960 | ||
| 1995 | 2,780 | 12,378 | — | 15,158 | ||
| 1992 | — | 10,140 | — | 10,140 | ||
▎ 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.