Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
NORTH AMERICAN STEEL & WIRE INC
629 E BUTLER RD, BUTLER, PA, 16002
Parent company: STEMAR INVESTMENTS INC
Carcinogen
PBT
— EPA classifications across all reporting years
Top chemical totals
The 10 chemicals with the highest cumulative on-site releases 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.
| Year | Acetone | Copper | Lead | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Manganese | Total |
|---|---|---|---|---|---|---|
| 2007 | — | 10 | — | — | 10 | 20 |
| 2006 | — | 10 | 10 | — | — | 20 |
| 2005 | — | 10 | 10 | — | — | 20 |
| 2004 | — | 10 | 2 | — | — | 12 |
| 2003 | — | 10 | 10 | — | — | 20 |
| 2002 | — | 10 | 10 | — | — | 20 |
| 2001 | — | 10 | 10 | — | — | 20 |
| 2000 | — | 10 | 10 | — | — | 20 |
| 1999 | — | 10 | 10 | — | — | 20 |
| 1998 | — | 10 | 10 | — | — | 20 |
| 1997 | — | 10 | 10 | — | — | 20 |
| 1996 | — | 10 | 10 | — | — | 20 |
| 1995 | — | 10 | 10 | — | — | 20 |
| 1994 | — | 10 | 10 | 10 | — | 30 |
| 1993 | 267,820 | 10 | 10 | 10 | — | 267,850 |
| 1992 | 272,720 | 10 | 10 | 10 | — | 272,750 |
| 1991 | 171,700 | — | 10 | 5 | — | 171,715 |