Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
SIMPSON PAPER CO
100 ERIE ST, POMONA, CA, 91768
Parent company: SIMPSON INVESTMENT CO
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 | 1,2,4-Trimethylbenzene | Certain glycol ethers | Chlorine | Sodium hydroxide (solution) | Chlorine dioxide | Total |
|---|---|---|---|---|---|---|
| 1994 | — | 263 | — | — | — | 263 |
| 1993 | — | 266 | — | — | — | 266 |
| 1992 | 3,445 | 268 | — | — | — | 3,713 |
| 1991 | 2,382 | — | — | — | — | 2,382 |
| 1990 | — | — | 250 | — | 5 | 255 |
| 1989 | — | — | 250 | — | 5 | 255 |
| 1988 | — | — | — | 25 | 5 | 30 |