Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
NATIONAL TORCH TIP INC WELDIT BLDG
1700 S CANAL ST, PITTSBURGH, PA, 152152640
Parent company: ARCSMITH 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 | Tetrachloroethylene | Total (lbs) | ||||
| 1997 | 2,250 | 2,250 | ||||
| 1996 | 1,450 | 1,450 | ||||
| 1995 | 2,500 | 2,500 | ||||
| 1994 | 2,670 | 2,670 | ||||
| 1993 | 500 | 500 | ||||
| 1992 | 500 | 500 | ||||
▎ 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.