Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
HYDRO EXTRUSION PORTLAND INC. - MAIN PLANT
7933 NE 21ST AVE, PORTLAND, OR, 97211
Parent company: HYDRO EXTRUSION USA LLC
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 | Ammonia | Sodium hydroxide (solution) | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Lead | Total (lbs) | |
| 2024 | — | — | — | 0 | 0 | |
| 2023 | — | — | — | 0 | 0 | |
| 2022 | — | — | — | 0 | 0 | |
| 2021 | — | — | — | 0 | 0 | |
| 2020 | — | — | — | 0 | 0 | |
| 2019 | — | — | — | 0 | 0 | |
| 2018 | — | — | — | 0 | 0 | |
| 2017 | 280 | — | — | 0 | 280 | |
| 2016 | 84 | — | — | 0 | 85 | |
| 2015 | 82 | — | — | 0 | 83 | |
| 2014 | 1,804 | — | — | 0 | 1,804 | |
| 2013 | 1,657 | — | — | 0 | 1,657 | |
| 2012 | 18 | — | — | 0 | 18 | |
| 2011 | 250 | — | — | — | 250 | |
| 1990 | — | — | 5 | — | 5 | |
| 1988 | — | 250 | — | — | 250 | |
▎ 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.