Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
SOLVAY CHEMICALS INC
3500 INDUSTRIAL WAY, LONGVIEW, WA, 98632
Parent company: SOLVAY HOLDING INC
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 | Naphthalene | 1,2,4-Trimethylbenzene | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | Nitric acid | Total (lbs) | |
| 2024 | 29 | — | 22 | 24 | 75 | |
| 2023 | 126 | — | 77 | 31 | 235 | |
| 2022 | 147 | — | 485 | 34 | 666 | |
| 2021 | 156 | — | 294 | 32 | 482 | |
| 2020 | 125 | — | 599 | 28 | 752 | |
| 2019 | 132 | — | 589 | 27 | 748 | |
| 2018 | — | — | — | 26 | 26 | |
| 2017 | — | — | — | 26 | 26 | |
| 2016 | — | — | — | 20 | 20 | |
| 2007 | 170 | — | — | — | 170 | |
| 2006 | 171 | — | — | — | 171 | |
| 2005 | 158 | — | — | — | 158 | |
| 2004 | 157 | — | — | — | 157 | |
| 2003 | 191 | — | — | — | 191 | |
| 2002 | 205 | — | — | — | 205 | |
| 2001 | 209 | — | — | — | 209 | |
| 2000 | 217 | — | — | — | 217 | |
| 1999 | 212 | — | — | — | 212 | |
| 1998 | 219 | — | — | — | 219 | |
| 1997 | 363 | — | — | — | 363 | |
| 1996 | 315 | 594 | — | — | 909 | |
| 1995 | 505 | 505 | — | — | 1,010 | |
| 1994 | 1,132 | 505 | — | — | 1,637 | |
| 1993 | 1,359 | 1,282 | — | — | 2,641 | |
| 1992 | 4,676 | 1,005 | — | — | 5,681 | |
| 1991 | 2,175 | 505 | — | — | 2,680 | |
| 1990 | 1,250 | 505 | — | — | 1,755 | |
| 1989 | 1,000 | 500 | — | — | 1,500 | |
▎ 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.