Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
OWENS CORNING ROOFING & ASPHALT LLC
11910 NW ST HELENS RD, PORTLAND, OR, 97231
Parent company: OWENS CORNING
Carcinogen
PBT
— 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 | Hydrogen sulfide | Polycyclic aromatic compounds | Lead compounds | Benzo[g,h,i]perylene | Total (lbs) | |
| 2024 | 3,555 | 1 | — | 0 | 3,556 | |
| 2023 | — | 1 | — | 0 | 1 | |
| 2022 | — | 0 | — | — | 0 | |
| 2021 | 3,736 | 0 | — | — | 3,736 | |
| 2020 | — | 0 | — | — | 0 | |
| 2019 | — | 0 | — | — | 0 | |
| 2018 | 3,451 | 0 | — | — | 3,451 | |
| 2017 | 3,596 | 0 | — | — | 3,596 | |
| 2016 | 3,760 | 0 | — | — | 3,760 | |
| 2007 | — | — | 0 | — | 0 | |
| 2006 | — | 0 | — | — | 0 | |
| 2005 | — | 0 | — | — | 0 | |
| 2004 | — | 0 | — | — | 0 | |
| 2003 | — | 0 | — | — | 0 | |
| 2002 | — | 0 | — | — | 0 | |
▎ 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.