Facility detail

PHILLIPS 66 CO-SANTA MARIA REFINERY

2555 WILLOW RD, ARROYO GRANDE, CA, 93420

Parent company: PHILLIPS 66 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	Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	Ammonia	Propylene	Hydrogen sulfide	Carbonyl sulfide	Total
2023	—	14	87	180	1	803
2022	—	73	623	3,839	564	8,307
2021	—	57	633	3,899	515	8,336
2020	—	1,288	710	4,099	601	10,258
2019	—	2,767	629	4,325	511	11,487
2018	—	1,620	644	4,857	473	10,894
2017	—	799	655	4,718	522	10,039
2016	—	1,124	675	5,168	6,563	16,937
2015	—	176	660	8,477	4,648	17,604
2014	—	822	770	8,720	5,814	20,258
2013	28,000	921	780	11,316	4,614	49,646
2012	21,000	1,122	740	8,318	2,613	38,272
2011	35,000	266	780	—	2,914	42,626
2010	31,000	167	810	—	3,713	39,300
2009	25,000	157	830	—	1,913	31,272
2008	28,000	186	1,410	—	4,413	38,441
2007	30,000	215	1,430	—	2,214	38,309
2006	18,000	164	9,060	—	1,012	39,627
2005	—	8,960	3,630	—	965	22,054
2004	—	8,490	3,600	—	920	22,127
2003	—	405	3,630	—	885	13,973
2002	—	410	3,600	—	1,080	14,943
2001	—	1,340	3,670	—	1,120	15,445
2000	—	450	3,570	—	880	13,364
1999	—	950	4,645	—	960	16,047
1998	—	3,700	4,830	—	960	18,534
1997	—	4,765	6,145	—	905	21,243
1996	—	2,776	1,280	—	—	4,351
1995	—	1,516	1,000	—	—	3,521
1994	250	7,250	1,750	—	—	10,255
1993	75	15,663	1,746	—	—	17,725
1992	75	12,120	841	—	—	13,155
1991	75	18,756	841	—	—	19,791
1990	250	15,842	750	—	—	18,571
1989	250	54,428	750	—	—	57,378
1988	—	—	—	—	—	2,550
1987	—	—	—	—	—	2,150