Facility detail

HERBERT MALARKEY ROOFING CO

3131 N COLUMBIA BLVD, PORTLAND, OR, 97217

Parent company: HOLCIM PARTICIPATIONS (US)

Carcinogen PBT — EPA classifications across all reporting years

Year-over-year total releases

Reported on-site TRI releases in pounds (lbs), grouped by reporting year.

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 Copper compounds Polycyclic aromatic compounds Copper And Copper Compounds Zinc compounds Total (lbs)
2024 10 2 4 15
2023 7 2 4 12
2022 8 2 4 13
2021 2 12 4 18
2020 2 10 4 16
2019 12 2 4 17
2018 20 2 22
2017 21 2 23
2016 28 2 30
2015 22 2 24
2014 18 2 20
2013 18 2 20
2012 15 2 16
2011 14 2 16

▎ 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.