Facility detail

KOPPERS INC

3900 S LARAMIE AVE, CICERO, IL, 60804

Parent company: KOPPERS INC

Carcinogen PBT — EPA classifications across all reporting years

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Year-over-year total releases

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

Top chemical totals

The 10 chemicals with the highest cumulative on-site releases 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.

Year	Phthalic anhydride	Maleic anhydride	Naphthalene	Benzene	o-Xylene	Total
2024	43,573	51,385	37,431	11,225	—	162,566
2023	42,180	48,320	35,960	12,320	—	158,008
2022	43,253	52,588	20,807	11,526	—	149,835
2021	42,680	52,588	30,678	11,510	—	158,728
2020	46,180	52,580	30,680	9,940	—	158,845
2019	46,174	52,588	30,678	15,983	—	171,179
2018	18,301	—	9,933	8,307	3,096	42,729
2017	46,055	52,588	16,910	5,155	7,478	135,200
2016	42,481	48,392	14,737	4,724	6,391	123,072
2015	43,436	49,694	17,271	5,655	6,816	132,001
2014	46,226	52,841	19,957	5,548	7,231	140,479
2013	39,907	44,304	20,312	5,338	7,429	127,160
2012	45,053	51,130	20,680	5,025	6,351	139,435
2011	41,602	46,703	19,573	6,026	6,865	131,555
2010	45,956	52,477	23,098	6,324	5,969	144,712
2009	35,738	39,180	20,774	6,931	5,703	120,118
2008	45,653	52,139	17,421	5,220	6,498	140,573
2007	46,868	53,552	20,270	8,768	6,307	148,328
2006	46,972	53,855	15,853	8,505	7,179	142,873
2005	54,282	53,385	21,370	5,880	5,384	150,093
2004	51,326	49,204	25,845	5,388	9,092	147,922
2003	46,913	49,010	29,651	6,457	46,448	194,714
2002	45,815	48,200	33,491	12,431	9,780	168,000
2001	45,992	49,313	36,818	11,568	8,248	202,146
2000	49,602	50,760	34,278	10,959	9,117	172,218
1999	49,782	52,411	35,874	10,935	9,495	174,381
1998	63,140	51,739	41,296	13,809	9,364	195,652
1997	63,211	51,378	—	15,781	10,633	167,042
1996	26,587	—	21,157	17,254	8,225	90,475
1995	26,461	—	48,921	12,224	9,277	117,832
1994	39,795	—	8,731	6,896	4,881	69,430
1993	25,520	—	11,457	10,999	4,913	72,753
1992	20,099	—	12,713	11,722	11,701	78,228
1991	22,933	—	13,099	14,254	15,156	84,385
1990	22,392	—	13,999	16,694	17,431	90,055
1989	38,980	500	35,934	13,329	11,241	104,633
1988	—	1,934	36,868	—	9,675	53,540
1987	54,020	—	54,540	—	10,818	129,313