Facility detail

SHELL NORCO CHEMICAL PLANT WEST SITE

16122 RIVER RD, NORCO, LA, 70079

Parent company: SHELL OIL 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	sec-Butyl alcohol	Methyl ethyl ketone	Propylene	Chlorine	Allyl chloride	Total
2024	—	—	—	—	—	18,569
2023	—	—	—	—	—	17,391
2022	—	—	—	—	—	21,171
2021	—	—	—	—	—	16,118
2020	—	—	—	—	—	21,139
2019	—	—	—	—	—	20,019
2018	—	—	—	—	—	39,055
2017	—	—	—	—	—	45,877
2016	—	—	—	—	—	68,343
2015	—	—	—	—	—	82,548
2014	—	—	—	—	—	82,855
2013	—	—	—	—	—	85,027
2012	—	—	—	—	—	83,499
2011	—	—	—	—	—	64,121
2010	—	—	—	—	—	36,090
2009	15,059	—	—	—	—	55,066
2008	14,975	—	—	—	—	60,820
2007	19,827	—	—	—	—	106,503
2006	6,389	—	—	—	—	81,333
2005	685	—	—	—	—	94,945
2004	88,836	—	693	—	—	212,368
2003	108,000	78,800	2,400	—	2	281,878
2002	157,000	107,300	—	—	—	368,665
2001	116,100	111,000	—	—	2	284,567
2000	48,700	71,000	—	—	—	133,108
1999	63,210	82,150	24,400	9,500	21,100	309,191
1998	130,002	57,522	161,500	22,100	48,002	527,349
1997	115,000	101,013	192,600	118,000	54,000	719,574
1996	103,480	118,031	192,100	127,000	55,800	708,633
1995	125,800	86,010	112,700	117,000	20,741	538,828
1994	76,000	144,001	98,200	137,000	157,002	721,329
1993	81,004	68,130	56,100	138,900	59,002	601,825
1992	97,013	79,020	73,000	140,000	73,000	667,843
1991	87,000	85,370	74,000	166,000	58,000	678,890
1990	111,000	77,000	166,000	70,000	91,000	724,343