Facility detail

TESORO HATHAWAY TERMINAL

2350 OBISPO AVE, SIGNAL HILL, CA, 90755

Parent company: MARATHON PETROLEUM 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	Methyl tert-butyl ether	Toluene	n-Hexane	Xylene (mixed isomers)	Cyclohexane	Total
2024	—	370	477	320	276	1,694
2023	—	280	325	187	202	1,183
2022	—	244	326	186	203	1,137
2021	—	310	302	204	170	1,178
2020	—	330	414	215	234	1,416
2019	—	280	453	275	280	1,554
2018	—	290	626	160	396	1,710
2017	—	300	586	161	366	1,653
2016	—	280	357	169	216	1,215
2015	—	471	348	379	196	1,634
2014	—	451	384	178	165	1,400
2013	—	259	255	140	130	1,900
2012	—	100	131	119	66	750
2011	—	276	280	221	140	2,074
2010	—	242	203	132	90	1,697
2009	—	347	248	234	158	2,900
2008	—	326	192	339	129	1,354
2007	—	405	250	427	176	1,722
2006	—	303	240	203	137	1,262
2005	—	331	303	281	137	1,412
2004	—	272	316	191	187	1,395
2003	2,929	1,991	474	1,611	424	8,471
2002	6,649	1,032	249	1,114	239	10,115
2001	11,003	1,111	333	235	177	13,661
2000	25,927	220	215	124	132	26,752
1999	22,705	310	586	208	543	24,674
1998	39,681	444	167	202	134	40,888
1987	—	—	—	122	—	122