Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
NAPA PIPE CORP
1025 KAISER RD, NAPA, CA, 94558
Parent company: OREGON STEEL MILLS INC
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 | Manganese compounds | Aluminum oxide (fibrous forms) | Antimony compounds | Total |
|---|---|---|---|---|
| 2004 | 0 | — | — | 0 |
| 2003 | 1 | — | — | 1 |
| 2002 | 5 | — | — | 5 |
| 2001 | 5 | — | — | 5 |
| 2000 | 5 | — | — | 5 |
| 1999 | 5 | — | — | 5 |
| 1998 | 5 | — | — | 5 |
| 1997 | 5 | — | — | 5 |
| 1996 | 5 | — | — | 5 |
| 1995 | 5 | — | — | 5 |
| 1991 | 9 | — | — | 9 |
| 1990 | 70 | — | — | 70 |
| 1989 | 2 | 3 | — | 5 |
| 1988 | — | — | 2 | 2 |