Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
KARSTEN PRECISION HEAT TREAT DIV
3900 N 31ST AVE, PHOENIX, AZ, 850174616
Parent company: KARSTEN PRECISION
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) | ||||
| 2000 | 16,400 | 16,400 | ||||
| 1999 | 21,300 | 21,300 | ||||
| 1998 | 12,772 | 12,772 | ||||
| 1997 | 18,900 | 18,900 | ||||
| 1995 | 13,590 | 13,590 | ||||
| 1994 | 11,300 | 11,300 | ||||
| 1992 | 12,700 | 12,700 | ||||
| 1991 | 30,800 | 30,800 | ||||
| 1990 | 31,374 | 31,374 | ||||
| 1989 | 26,892 | 26,892 | ||||
| 1988 | 29,133 | 29,133 | ||||
▎ 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.