Facility detail

NOVA CHEMICALS OLEFINS LLC

5205 HWY 3115, GEISMAR, LA, 70734

Parent company: NC HOLDINGS USA INC

Carcinogen — 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	Ethylene	Propylene	Benzene	1,3-Butadiene	Toluene	Total
2024	69,181	40,731	4,685	3,077	781	128,526
2023	47,420	28,561	4,373	2,436	888	95,338
2022	40,430	24,549	3,994	2,065	888	84,956
2021	97,618	65,887	12,225	7,473	1,937	196,985
2020	119,359	75,645	12,107	11,206	1,978	231,977
2019	113,214	76,576	11,969	8,357	1,927	224,962
2018	147,480	80,391	11,922	11,219	1,970	265,015
2017	219,686	63,460	12,032	7,588	2,005	317,205
2016	106,867	64,408	11,583	7,437	2,013	204,855
2015	423,248	84,437	15,911	18,542	2,884	556,545
2014	16,784	16,470	—	—	—	33,254
2013	148,083	65,721	6,784	3,796	1,680	230,589
2012	121,441	86,934	11,639	7,484	2,612	239,264
2011	111,697	104,623	12,499	8,592	3,093	249,318
2010	108,265	78,584	11,675	7,278	2,293	215,967
2009	101,671	73,184	11,085	8,583	2,116	204,372
2008	108,099	78,996	11,475	7,774	2,551	216,782
2007	160,607	95,519	11,833	7,432	2,566	285,937
2006	136,125	90,134	13,638	8,284	3,089	260,814
2005	274,358	102,901	11,697	8,338	2,576	408,050
2004	118,289	96,101	11,040	7,313	2,434	242,795
2003	120,357	109,345	10,958	6,968	2,431	257,491
2002	242,534	86,549	12,232	8,266	2,589	360,253
2001	167,214	88,606	13,317	9,767	2,218	290,987
2000	127,784	202,621	12,498	8,691	1,892	363,848
1999	203,572	115,262	12,185	10,019	1,941	353,665
1998	508,300	111,200	12,405	10,200	2,065	651,500
1997	122,800	112,800	13,405	10,950	2,175	270,160
1996	125,300	120,000	11,705	10,050	2,025	276,120
1995	131,600	116,300	11,105	12,150	2,255	280,615
1994	149,000	129,920	11,905	13,450	2,225	313,650
1993	138,500	138,700	14,205	15,840	2,695	318,910
1992	202,700	167,100	49,105	15,900	16,705	459,870
1991	194,700	141,100	72,805	18,350	26,105	464,310
1990	145,100	91,900	67,405	20,960	26,005	361,570
1989	72,900	88,250	69,250	14,250	17,150	277,850
1988	—	—	—	12,250	6,450	20,250
1987	—	—	—	—	16,650	16,650