Facility detail

KNAUF INSULATION INC.

3100 ASHBY RD, SHASTA LAKE, CA, 96019

Parent company: KNAUF INSULATION

Carcinogen PBT — 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	Ammonia	Phenol	Formaldehyde	Manganese compounds	Manganese And Manganese Compounds	Total (lbs)
2024	155,649	—	—	12	—	155,661
2023	194,164	—	—	—	13	194,177
2022	199,108	—	—	—	12	199,121
2021	210,351	—	—	—	15	210,365
2020	199,146	—	—	—	15	199,161
2019	195,367	—	—	—	16	195,383
2018	179,694	—	—	18	—	179,712
2017	176,780	—	—	14	—	176,794
2016	209,620	—	—	14	—	209,634
2015	185,272	—	—	9	—	185,282
2014	128,000	—	—	6	—	128,006
2013	57,482	—	—	5	—	57,487
2012	60,827	—	—	5	—	60,832
2011	60,782	—	—	6	—	60,788
2010	40,581	—	—	4	—	40,585
2009	56,942	—	—	2	—	56,944
2008	11,556	12,525	1,896	1	—	25,978
2007	10,281	14,076	2,135	3	—	26,495
2006	9,123	17,087	2,183	3	—	28,396
2005	8,883	17,087	1,612	4	—	27,587
2004	9,690	17,087	826	81	—	27,684
2003	8,193	21,846	1,562	115	—	31,716
2002	8,871	21,846	1,562	—	—	32,279

▎ 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.