Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
PIPER IMPACT
922 HWY 15 N, NEW ALBANY, MS, 38652
Parent company: QUANEX CORP
Carcinogen
PBT
— 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 | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | Tetrachloroethylene | N-Methyl-2-pyrrolidone | Nitric acid | Chromium | Total (lbs) |
| 2004 | 108,414 | — | — | 113 | — | 108,530 |
| 2003 | 86,808 | — | 13,852 | 85 | — | 100,750 |
| 2002 | 210,000 | — | 28,000 | 255 | — | 238,270 |
| 2001 | 64,182 | — | 15,232 | 10 | — | 79,685 |
| 2000 | 71,089 | — | 11,622 | 500 | — | 83,471 |
| 1999 | 642,000 | — | 19,200 | 1,500 | 6,208 | 674,090 |
| 1998 | 561,000 | — | 10,800 | 1,500 | 2,438 | 588,780 |
| 1997 | 1,018,600 | — | 11,800 | 14,400 | 2,604 | 1,054,832 |
| 1996 | 1,345,600 | 281,250 | 13,700 | 36,000 | 3,806 | 1,690,094 |
| 1995 | 836,000 | 790,250 | 14,000 | 500 | 2,904 | 1,644,680 |
| 1994 | — | 982,474 | — | 500 | — | 983,974 |
| 1993 | — | 10,250 | — | 500 | — | 11,750 |
| 1992 | — | 500 | — | 500 | — | 2,000 |
| 1991 | — | 500 | — | 500 | 500 | 2,000 |
| 1990 | — | — | — | 500 | 500 | 1,500 |
| 1989 | — | — | — | — | 500 | 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.