Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
PACIFIC STATES TREATING
422 MILL ST, WEED, CA, 96094
Parent company: NA
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 | Ammonia | Creosote | Arsenic compounds | Naphthalene | Copper compounds | Total (lbs) |
| 2006 | 139,634 | — | — | — | — | 139,634 |
| 2005 | 151,977 | — | — | — | — | 151,977 |
| 2004 | 100,234 | — | — | — | — | 100,234 |
| 2003 | 113,079 | — | — | — | 0 | 113,079 |
| 2002 | 132,686 | — | — | — | 0 | 132,686 |
| 2001 | 187,832 | — | — | — | — | 187,832 |
| 1999 | 15,150 | — | — | — | — | 15,150 |
| 1998 | 14,153 | — | — | — | 5 | 14,158 |
| 1997 | 135,509 | — | — | — | — | 135,509 |
| 1996 | 121,271 | — | — | — | 5 | 121,286 |
| 1995 | 123,105 | — | — | — | — | 123,105 |
| 1994 | 99,700 | 1,000 | — | — | — | 100,700 |
| 1993 | 199,000 | — | — | — | — | 199,000 |
| 1992 | 257,000 | 500 | 5 | — | — | 257,505 |
| 1991 | 300,000 | 2,880 | 250 | — | — | 303,130 |
| 1990 | 140,000 | 2,400 | 13 | — | — | 142,413 |
| 1989 | 210,000 | — | — | 24 | — | 210,024 |
| 1987 | 67,250 | — | — | — | — | 67,250 |
▎ 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.