Facility detail

KOPPERS INC (SUSQUEHANNA)

50 KOPPERS LN, MONTGOMERY, PA, 17752

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	Lead compounds	Anthracene	Total
2024	1,707	—	—	—	—	1,710
2023	1,708	—	—	—	—	1,712
2022	1,606	—	—	—	—	1,609
2021	1,557	—	—	—	—	1,560
2020	1,906	—	—	—	—	1,909
2019	1,798	—	—	—	—	1,801
2018	1,681	—	—	—	—	1,685
2017	1,547	—	—	—	—	1,550
2016	2,336	—	—	—	—	2,339
2015	2,427	—	—	—	—	2,432
2014	1,896	—	—	—	—	1,900
2013	2,455	—	—	22	—	2,483
2012	2,476	—	—	31	—	2,513
2011	2,572	—	—	40	—	2,620
2010	2,417	—	—	42	—	2,466
2009	5,855	—	—	44	—	5,905
2008	5,487	—	—	41	—	5,534
2007	7,700	—	—	53	—	7,760
2006	6,200	—	—	50	—	6,256
2005	7,300	—	—	51	—	7,357
2004	7,405	—	—	50	—	7,461
2003	4,650	—	—	59	—	4,732
2002	4,355	—	—	61	—	4,426
2001	3,124	—	—	—	—	3,132
2000	4,420	—	—	—	—	4,439
1999	6,852	—	—	—	—	6,852
1998	5,702	—	—	—	—	5,702
1997	3,374	—	—	—	—	3,374
1996	3,156	—	—	—	—	3,156
1995	4,400	—	—	—	—	4,400
1994	12,400	—	—	—	—	12,400
1993	9,400	—	—	—	—	9,400
1992	7,820	—	—	—	—	7,820
1991	2,360	—	—	—	—	2,360
1990	5,348	—	—	—	—	5,348
1989	—	1,608	647	—	534	2,789
1988	—	2,849	1,789	—	—	4,638