General Information
Party ID	Party Name	Party Classification	Mailing Address	Work Phone	Email/Website
554062	Tesoro Refining & Marketing Company LLC	Privately-Owned Business	2350 East 223rd Street Carson, CA 90801	null	null	

Related Places
Place ID	Place Name	County	Region	Place Type	Relationship to Party	Relationship Start Date	Relationship End Date
217065	Tesoro Sulfur Recovery Plant	Los Angeles	4	Petroleum Refinery	None	null	null	
217059	Tesoro Los Angeles Refinery - Carson Operations	Los Angeles	4	Petroleum Refinery	Owner and Operator	12/02/2020	null	

Related Parties
Party ID	Party Name	Party Type	Role/Relationship	Relationship Start Date	Relationship End Date	Classification
566122	Robert Nguyen	Person	Legally Responsible Official	02/10/2021	null	null	
538398	David Foster	Person	Legally Responsible Official	12/23/2015	10/31/2022	null	

Regulatory Measures(non-enforcement)
Reg. Measure ID	Regulatory Measure Type	Region	WDID	Title	Status	Program	Order No.	RM Effective Date	RM Termination Date	Relationship	Relationship Start Date	Relationship End Date
450836	NPDES Permit	4	4B192121002	NPDES R4-2023-0059 for Tesoro Refining & Marketing Company LLC	Active	NPDINDSML	R4-2023-0059	05/01/2023	null	Discharger	01/19/2023	null	
441479	NPDES Permit	4	4B192010008	NPDES R4-2022-0238 for Tesoro Refining & Marketing Company LLC	Active	NPDINDLRG	R4-2022-0238	09/01/2022	null	Discharger	07/06/2022	null	
406222	NPDES Permit	4	4B192121002	NPDES R4-2017-0040 for Andeavor	Historical	NPDINDSML	R4-2017-0040	04/01/2017	04/30/2023	Discharger	09/30/2021	null	
404058	NPDES Permit	4	4B192010008	NPDES R4-2015-0259 for Andeavor	Historical	NPDINDLRG	R4-2015-0259	02/01/2016	08/31/2022	Discharger	12/02/2020	null	

Violations within the past calendar year
Violation ID	Occurrence Date	Violation Type	Violation Description	Violation Status	Priority	Source	Facility Name	Violated Reg. Meas. ID	Violated Reg. Meas. Order No.	Linked To Enf.
1119140	07/30/2023	Late Report	Once Only OneTime ( TECHRPT ) (Spill Contingency Plan (SCP)) report for 2023/05/01 (2711747) was due on 29-JUL-23	Violation	null	Report	Tesoro Sulfur Recovery Plant	450836	R4-2023-0059	N	
1119139	07/30/2023	Late Report	Once Only OneTime ( TECHRPT ) (Stormwater Pollution Prevention Plan (SWPPP)) report for 2023/05/01 (2711745) was due on 29-JUL-23	Violation	null	Report	Tesoro Sulfur Recovery Plant	450836	R4-2023-0059	N	
1119138	07/30/2023	Late Report	Once Only OneTime ( TECHRPT ) (Initial Investigation TRE workplan) report for 2023/05/01 (2711744) was due on 29-JUL-23	Violation	null	Report	Tesoro Sulfur Recovery Plant	450836	R4-2023-0059	N	
1119137	07/30/2023	Late Report	Once Only OneTime ( TECHRPT ) (Best Management Practice Plan (BMPP)) report for 2023/05/01 (2711746) was due on 29-JUL-23	Violation	null	Report	Tesoro Sulfur Recovery Plant	450836	R4-2023-0059	N	

Enforcement Actions
Enforcement ID	Enforcement Type	Enf. Order No.	Title	Program	Effective Date	Status
451258	Notice of Violation	null	NOV 02/08/2023 for Tesoro Refining & Marketing Company LLC	NPDINDLRG	02/08/2023	Historical	

Regulatory Measures linked to Related Parties
Reg. Measure ID	Organization	Regulatory Measure Type	Program	Effective Date	Status