Facility detail

STEPAN CO

4600 HWY 421 N, WILMINGTON, NC, 28401

Parent company: STEPAN CO

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	Methanol	p-Xylene	Formic acid	Formaldehyde	Toluene	Total
2024	—	—	—	—	—	21,136
2023	—	—	—	—	—	15,838
2022	—	—	—	—	—	24,262
2021	—	—	—	—	—	16,228
2020	—	—	—	—	—	14,103
2019	—	—	—	—	—	25,984
2018	—	—	—	—	—	21,993
2017	—	—	—	—	—	13,708
2016	—	—	—	—	—	49,788
2015	—	—	—	—	—	20,597
2014	9,730	—	—	—	—	26,752
2013	77,000	59,800	5,801	—	1,300	207,947
2012	157,081	98,031	7,464	369	5,257	332,124
2011	184,000	127,000	10,000	514	7,908	412,857
2010	254,000	133,000	11,850	690	11,011	530,079
2009	391,000	195,000	33,430	1,024	19,290	876,940
2008	244,000	148,400	68,530	1,269	17,500	908,570
2007	887,000	365,600	168,650	51,300	53,250	1,840,473
2006	734,000	200,643	168,350	51,300	49,250	1,496,389
2005	761,000	318,000	138,450	72,200	42,250	1,604,805
2004	506,000	315,950	130,755	72,505	49,250	1,360,822
2003	372,255	195,950	82,500	2,955	24,005	1,139,256
2002	373,600	235,520	73,410	47,420	46,005	839,836
2001	319,300	156,219	73,170	47,400	24,006	680,489
2000	395,300	116,023	73,160	48,600	15,006	708,869
1999	287,500	136,620	72,698	48,300	16,005	611,022
1998	243,700	141,019	82,800	48,900	18,004	591,461
1997	357,500	164,016	84,900	49,900	24,492	734,570
1996	286,100	152,019	94,400	69,900	13,005	672,626
1995	555,800	181,016	94,100	71,900	19,004	984,057
1994	978,700	340,005	132,500	119,500	28,113	1,652,709
1993	1,321,280	950,002	—	124,300	110,212	2,652,268
1992	2,501,514	940,002	—	119,807	114,002	3,900,398
1991	1,711,183	1,593,002	—	116,007	153,502	3,850,163
1990	1,541,163	1,093,002	—	126,308	123,305	3,056,031
1989	2,022,784	1,200,083	—	123,427	143,605	3,789,134
1988	—	1,410,040	—	134,859	264,000	1,989,755
1987	2,722,025	—	—	—	—	2,810,692