Facility detail

ULTRAMAR INC WILMINGTON REFINERY

2402 E. ANAHEIM STREET, WILMINGTON, CA, 90744

Parent company: VALERO ENERGY CORP

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	Ammonia	Hydrogen cyanide	Aluminum oxide (fibrous forms)	Propylene	Toluene	Total
2024	72,067	48,000	—	880	1,910	146,735
2023	72,068	47,000	—	840	2,060	145,331
2022	70,136	41,000	—	770	2,170	140,101
2021	81,270	41,000	—	880	2,000	143,742
2020	79,161	38,000	—	920	2,300	143,586
2019	80,366	46,000	—	740	1,960	152,339
2018	86,454	47,000	—	1,780	2,040	163,647
2017	77,389	45,000	—	2,080	1,840	152,631
2016	73,103	45,986	—	2,295	1,878	155,235
2015	70,164	38,040	—	2,128	1,953	138,999
2014	64,709	48,801	—	1,994	1,705	140,898
2013	66,948	41,545	—	1,946	1,979	137,638
2012	78,672	—	—	2,008	1,972	108,902
2011	62,926	—	—	14,092	2,556	102,118
2010	64,430	—	—	1,615	1,996	80,769
2009	56,696	—	—	1,792	1,548	75,735
2008	51,953	—	—	1,479	1,446	67,367
2007	66,496	—	—	1,967	1,321	82,542
2006	69,230	—	—	1,090	1,330	83,013
2005	69,220	—	—	2,100	1,420	84,499
2004	74,220	—	—	3,800	1,350	94,048
2003	81,200	—	—	22,520	1,430	127,470
2002	67,410	—	—	5,790	1,380	95,624
2001	70,300	—	—	398	1,230	85,742
2000	70,310	—	—	384	1,730	85,645
1999	5,964	—	—	504	1,640	17,665
1998	4,730	—	—	1,130	5,040	33,006
1997	4,630	—	—	1,130	4,940	32,699
1996	7,960	24	—	1,331	4,960	40,669
1995	167,900	30,936	—	7,300	5,450	227,625
1994	159,560	34,000	—	12,940	7,810	237,717
1993	142,540	30,500	—	11,700	14,100	236,360
1992	129,520	32,000	—	12,100	13,600	223,703
1991	122,420	35,000	—	5,600	7,900	198,566
1990	45,377	—	69,000	6,065	7,282	149,578
1989	51,700	—	54,000	5,099	5,987	135,347
1988	52,700	—	66,000	—	3,630	135,040
1987	164,700	—	—	—	—	168,600