Facility detail

NORTHWEST BUILDING TECH INC

215 SO A US TIN ST, SEATTLE, WA, 98108

Parent company: NA

Carcinogen — EPA classifications across all reporting years

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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	Xylene (mixed isomers)	Ethylbenzene	Toluene	1,2,4-Trimethylbenzene	Formaldehyde	Total (lbs)
2024	500	500	500	500	500	4,500
2023	500	500	500	500	500	4,500
2022	500	10	10	10	10	580
2021	10	10	10	10	10	90
2020	500	255	500	10	10	1,315
2019	1,500	500	500	500	10	3,060
2018	1,500	500	500	255	10	2,815
2017	1,500	500	500	255	10	2,815
2016	1,500	500	500	255	10	2,815
2015	1,500	500	500	255	10	2,815
2014	1,500	500	500	255	10	2,815
2013	1,500	500	500	10	10	2,560
2012	4,202	804	510	—	26	5,543
2011	4,202	804	—	—	45	5,052

▎ 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.