Facility detail

KOMATSU AMERICA CORP.

409 SIGNAL MOUNTAIN RD, CHATTANOOGA, TN, 37405

Parent company: KOMATSU AMERICA CORP

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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)	Certain glycol ethers	Manganese compounds	Manganese	Zinc compounds	Total (lbs)
2024	—	—	—	107	—	107
2023	—	—	—	150	—	150
2022	—	—	—	120	—	120
2021	—	—	—	97	—	97
2020	—	—	—	57	—	57
2019	—	—	—	120	—	120
2018	—	3,771	—	145	—	3,916
2017	—	—	—	104	—	104
2016	—	—	—	68	—	68
2015	—	—	—	85	—	85
2014	—	—	—	100	—	100
2013	—	—	—	145	—	145
2012	—	—	—	123	—	123
2011	—	—	—	259	—	259
2010	—	—	—	146	—	146
2009	—	—	—	28	—	28
2008	—	—	—	123	—	123
2007	—	480	—	120	—	600
2006	—	316	—	142	—	458
2005	—	163	—	134	—	297
2004	—	5,167	—	123	—	5,290
2003	—	4,626	—	166	—	4,792
2002	—	—	154	—	—	154
2001	—	—	200	—	—	200
2000	—	—	640	—	21	661
1999	10,000	—	750	—	5	10,755
1998	18,900	—	750	—	—	19,650
1997	17,700	—	750	—	—	18,450
1996	16,700	—	750	—	—	17,450

▎ 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.