Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
SIMPSON PAPER CO HUMBOLDT PULP MILL
1900 BENDIXSEN ST FAIRHAVEN, EUREKA, CA, 95501
Parent company: SIMPSON INVESTMENT CO
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 | Methanol | Sodium sulfate (solution) | Chlorine dioxide | Chloroform | Chlorine | Total (lbs) |
| 1993 | 550,250 | — | 5,155 | 6,750 | 5,850 | 687,990 |
| 1992 | 4,630,250 | — | 32,755 | 63,000 | 36,750 | 4,921,370 |
| 1991 | 5,010,250 | — | 130,755 | 39,000 | 97,550 | 5,436,970 |
| 1990 | 5,900,250 | — | 190,755 | 171,250 | 123,550 | 6,956,380 |
| 1989 | 4,202,550 | — | 191,000 | 231,250 | 133,650 | 5,060,500 |
| 1988 | — | — | 492,350 | 206,000 | 142,250 | 992,600 |
| 1987 | 7,900,250 | 26,000,000 | 238,600 | — | 143,000 | 34,534,850 |
▎ 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.