Facility detail

KOPPERS INC (ROANOKE)

4020 KOPPERS RD, SALEM, VA, 24153

Parent company: KOPPERS INC

Carcinogen 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	Creosote	Naphthalene	Dibenzofuran	Anthracene	Polycyclic aromatic compounds	Total
2024	2,901	—	—	—	5	2,906
2023	3,401	—	—	—	7	3,408
2022	3,601	—	—	—	7	3,608
2021	1,891	—	—	—	4	1,894
2020	2,901	—	—	—	5	2,906
2019	3,701	—	—	—	7	3,708
2018	3,001	—	—	—	5	3,006
2017	3,001	—	—	—	5	3,006
2016	4,201	—	—	—	8	4,209
2015	5,901	—	—	—	12	5,913
2014	5,401	—	—	—	11	5,412
2013	6,001	—	—	—	12	6,013
2012	6,201	—	—	—	13	6,214
2011	6,501	—	—	—	14	6,515
2010	5,602	—	—	—	12	5,614
2009	9,006	—	—	—	10	9,016
2008	9,002	—	—	—	10	9,012
2007	9,800	—	—	—	11	9,811
2006	9,901	—	—	—	11	9,912
2005	10,602	—	—	—	11	10,613
2004	11,405	—	—	—	12	11,417
2003	6,005	—	—	—	5	6,010
2002	5,610	—	—	—	127	5,737
2001	5,407	—	—	—	7	5,414
2000	5,566	—	—	—	48	5,614
1999	8,872	—	—	—	—	8,872
1998	15,102	—	—	—	—	15,102
1997	12,838	—	—	—	—	12,838
1996	12,151	—	—	—	—	12,151
1995	13,000	—	—	—	—	13,000
1994	22,900	—	—	—	—	22,900
1993	21,800	—	—	—	—	21,800
1992	21,800	—	—	—	—	21,800
1991	4,910	—	—	—	—	4,910
1990	7,282	—	—	—	—	7,282
1989	—	2,189	596	463	—	3,248
1988	—	—	1,128	1,229	—	2,357