Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
SIMPSON PASADENA PAPER CO PASADENA PAPER CO LP
NORTH SHAVER & WASHBURN TUNNEL, PASADENA, TX, 77506
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 | Methanol | Chloroform | Ammonia | Chlorine | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Total (lbs) |
| 2005 | — | — | 12,326 | — | — | 12,326 |
| 2004 | — | — | 19,348 | — | — | 19,348 |
| 2003 | — | — | 35,457 | — | — | 35,457 |
| 2002 | — | — | 22,803 | — | — | 22,803 |
| 2001 | — | — | 19,859 | — | — | 19,859 |
| 2000 | — | — | 24,931 | — | — | 24,931 |
| 1999 | 5,220 | — | 64,898 | 64 | — | 70,182 |
| 1998 | 390,000 | 61,000 | 71,400 | 5,020 | 48,000 | 613,525 |
| 1997 | 320,000 | 61,000 | 51,040 | 5,150 | 42,000 | 516,795 |
| 1996 | 461,200 | 604,000 | 46,000 | 22,420 | 38,000 | 1,223,360 |
| 1995 | 543,000 | 602,000 | 53,000 | 22,140 | 41,000 | 1,324,140 |
| 1994 | 796,200 | 602,000 | 97,000 | 22,040 | 50,000 | 1,668,400 |
| 1993 | 423,000 | 600,000 | 87,000 | 16,400 | — | 1,213,400 |
| 1992 | 453,300 | 650,000 | 19,000 | 16,300 | — | 1,208,850 |
| 1991 | 783,000 | 120,250 | 28,005 | 15,600 | — | 1,064,365 |
| 1990 | 440,000 | 620,000 | — | 56,500 | — | 1,180,255 |
| 1989 | 420,000 | 600,000 | — | 39,300 | — | 1,123,055 |
| 1988 | — | — | — | 56,300 | — | 111,600 |
| 1987 | — | 500,000 | — | — | — | 500,000 |
▎ 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.