Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
HEXION INC
10915 N LOMBARD ST, PORTLAND, OR, 97203
Parent company: HEXION HOLDINGS CORP
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 | Certain glycol ethers | 1,1,1-Trichloroethane | Total |
|---|---|---|---|
| 2023 | 1 | — | 1 |
| 2022 | 1 | — | 1 |
| 2021 | 2 | — | 2 |
| 2020 | 2 | — | 2 |
| 2002 | 500 | — | 500 |
| 2001 | 500 | — | 500 |
| 2000 | 500 | — | 500 |
| 1999 | 500 | — | 500 |
| 1998 | 500 | — | 500 |
| 1997 | 500 | — | 500 |
| 1996 | 500 | — | 500 |
| 1995 | 500 | — | 500 |
| 1994 | 500 | — | 500 |
| 1993 | 500 | — | 500 |
| 1992 | 255 | — | 255 |
| 1989 | — | 40 | 40 |