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Establishment profile

TESORO REFINING AND MARKETING LLC LOS ANGELES REFINERY

2101 E PACIFIC COAST HIGHWAY, WILMINGTON, CA, 90744
Operated by Marathon Petroleum Corp · 1 of 94 establishments
324110Petroleum Refineries

OSHA inspections
1
over 9 years
Violations
3
$560 in penalties
Penalties
$560
$187 avg
Violations across 3 federal agencies
Enforcement actions from multiple agencies may indicate systemic compliance issues across functions.

Summary

TESORO REFINING AND MARKETING LLC LOS ANGELES REFINERY has accumulated 3 OSHA violations across 1 inspection over 9 years of recorded history, with $560 in total assessed penalties.

The establishment sits in the 70th percentile for violations within its industry-state peer group of 341 employers. The most recent enforcement activity was recorded 9 years ago.

Federal records were found in 3 of 16 sources. Sources without matching records returned empty for this establishment.

OSHA workplace safety

Inspections
1
0.1 / yr · last 9 yrs
Violations
3
0.3 / yr
Penalties
$560
$187 avg / violation
Trend
STABLE
MEDIUM confidence
33% serious67% other
Inspection trigger · planned
1 of 1

100% of inspections at this establishment produced violations,

Peer comparison

70th

Above average violations in NAICS 3241 within CA. Peer group: 341 employers.

Fewer violationsMore violations
Penalty percentile
61st

Industry benchmark

Industry avg TRIR
0.4
BLS SOII 2024
Industry avg DART
0.2
BLS SOII 2024
Self-reported TRIR
Not in OSHA ITA

BLS rates reflect industry-wide averages. Self-reported figures come from OSHA’s Injury Tracking Application; absence of self-reported data does not necessarily indicate non-compliance — many establishments fall below the ITA reporting threshold.

Inspection breakdown

Planned
1

Complaint- and accident-triggered inspections are stronger risk signals than routine planned inspections.

Activity timeline

No federal enforcement activity has been recorded against this establishment in 9+ years. Most recent activity: 9 years ago.

Labor relations (NLRB)

Total cases
2
Unfair labor practice
2

National Labor Relations Board — unfair labor practice charges and union representation cases.

Environmental compliance (EPA)

EPA inspections
8
Quarters non-compliant
12

EPA Enforcement and Compliance History — Clean Air Act, Clean Water Act, RCRA, Safe Drinking Water Act. Status: Significant Violation.

Inspection history

DateTriggerViolationsSeriousPenalty
2016-10-12Planned31$560

Source: OSHA IMIS. Citation amounts reflect initially assessed penalties; final amounts after appeal may differ.

In the news

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Part of a larger organization

TESORO REFINING AND MARKETING LLC LOS ANGELES REFINERY is one of 94 establishments rolled up under the parent organization Marathon Petroleum Corp.

Federal enforcement records on this page represent activity at this specific establishment only. The full enforcement footprint of Marathon Petroleum Corp across all 94 of its tracked locations is viewable on the parent profile.

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About this data

This profile aggregates federal enforcement records on TESORO REFINING AND MARKETING LLC LOS ANGELES REFINERY from 16 federal data sources plus the UVA Corporate Prosecution Registry. OSHA workplace safety inspections, WHD wage cases, MSHA mine safety, EPA environmental enforcement, NLRB labor relations, OFLC visa/labor certification, FMCSA motor carrier registration, SAM.gov debarments, USAspending federal contracts, CMS nursing-home records, BLS industry safety benchmarks, OSHA ITA self-reported injury rates, CPSC and NHTSA recalls.

Establishments are matched across agencies using normalized employer name, state, and ZIP code. This establishment resolves to the parent rollup Marathon Petroleum Corp, which operates 94 establishments in our dataset.

OSHA citations typically appear 3–8 months after the inspection, so very recent enforcement actions may not yet be reflected. Profiles may be incomplete if the establishment operates under multiple legal names or files under variations our entity-matching rules don’t yet cover. To report a missing record or correction, email corrections@fastdol.com.

Frequently asked

What is TESORO REFINING AND MARKETING LLC LOS ANGELES REFINERY's OSHA violation history?
TESORO REFINING AND MARKETING LLC LOS ANGELES REFINERY has 1 OSHA inspection on record with 3 violations and $560 in total penalties.
How does TESORO REFINING AND MARKETING LLC LOS ANGELES REFINERY's safety record compare to its industry?
TESORO REFINING AND MARKETING LLC LOS ANGELES REFINERY operates in the petroleum refineries industry. The industry average Total Recordable Incident Rate (TRIR) is 0.4.