Facility detail

KOPPERS PERFORMANCE CHEMICALS

52430 DUNCAN AVE, HUBBELL, MI, 49934

Parent company: KOPPERS INC

PBT — EPA classifications across all reporting years

Year-over-year total releases

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

The 10 chemicals with the highest cumulative on-site releases across all available years.

Rows are years. Columns show the five highest-total chemicals across all years plus each year's total release volume.

Year	Ammonia	Copper compounds	Copper And Copper Compounds	Lead compounds	Lead And Lead Compounds	Total
2024	523,423	500	—	0	—	523,923
2023	554,071	—	500	—	0	554,571
2022	491,370	—	500	—	0	491,870
2021	479,371	—	500	—	0	479,871
2020	420,656	501	—	0	—	421,157
2019	421,097	501	—	0	—	421,598
2018	454,527	502	—	0	—	455,029
2017	353,044	502	—	0	—	353,546
2016	359,252	502	—	0	—	359,754
2015	337,184	501	—	0	—	337,685
2014	396,667	501	—	0	—	397,168
2013	330,437	505	—	0	—	330,942
2012	317,056	500	—	0	—	317,556
2011	276,271	750	—	0	—	277,021
2010	255,593	750	—	0	—	256,343
2009	244,332	755	—	0	—	245,087
2008	324,761	500	—	0	—	325,261
2007	298,657	500	—	0	—	299,157
2006	277,079	500	—	0	—	277,579
2005	322,331	500	—	0	—	322,831
2004	197,948	500	—	0	—	198,448
2003	407,346	500	—	0	—	407,846
2002	353,334	500	—	0	—	353,834
2001	405,948	500	—	0	—	406,448
2000	450,400	500	—	—	—	450,900
1999	348,518	500	—	—	—	349,018
1998	317,000	500	—	—	—	317,500
1997	381,200	500	—	—	—	381,700
1996	508,380	500	—	—	—	508,880
1995	706,530	505	—	—	—	707,035
1994	510,550	504	—	—	—	511,054
1993	467,000	1,004	—	—	—	468,004
1992	351,000	5,200	—	—	—	356,200
1991	338,000	1,250	—	—	—	339,250
1990	520,600	1,250	—	—	—	521,850
1989	510,800	—	—	—	—	510,800
1988	—	235,250	—	—	—	235,250
1987	375,000	—	—	—	—	375,000