Industrial & Manufacturing cleanup site — Restorical Research
US Oil & Refining Tacoma
3001 Marshall Ave, Tacoma, Pierce County
Restorical Research
Preliminary Site-Specific Analysis

This property has a documented history as a industrial and manufacturing facility going back to 1957. Historical insurance policies issued during operations at this property and through 1986 could fund a cleanup.

This oil refinery in Tacoma has been in continuous operation since 1957, with multiple tank systems across the facility. Ecology's SHARP Assessment and PLP documentation identify releases of priority pollutant metals and petroleum products into permeable containment areas overlying shallow groundwater, with confirmed contamination in both groundwater and surface water. Tank leaks and dangerous-waste incidents documented between 2015 and 2023 reflect a pattern of ongoing operational releases. The site is under Standard Cleanup and awaiting remediation. That history could support an insurance cost recovery claim against carriers who issued insurance policies 40+ years ago.

Former Use
Former Industrial & Manufacturing
Address3001 Marshall Ave, Tacoma, Pierce County
Historical UseIndustrial & Manufacturing
Est. Operating Since1957
StatusAwaiting Cleanup
Contamination & Investigation
Site Assessment Summary
ContaminantsPriority pollutant metals and petroleum products detected in groundwater and surface water
Media ImpactedSoil, Groundwater, Surface Water
Regulatory ProgramMTCA — Standard Cleanup
Ecology Site #2871

Why Historical Insurance Policies May Be Accessible

Pre-1986 Commercial General Liability (CGL) policies were occurrence-based and did not contain an effective pollution exclusion in Washington. If contamination occurred while those policies were active, those historical insurance carriers may still have a legal obligation to fund the cleanup costs, even if the business closed or the property changed hands.

Refinery operations at this property began nearly three decades before 1986, placing the origin of contamination squarely within the era when occurrence-based CGL policies carried no effective pollution exclusion in Washington. The metals and petroleum contamination now confirmed in groundwater and surface water traces back to tank infrastructure and industrial processes that predate that threshold by decades. The investigation, design, and remediation costs this facility faces — for a site with multiple affected media and a nearly seventy-year operational history — could plausibly be recoverable under historical CGL policies issued to the operators during those pre-1986 years of continuous refinery operation.

Restorical's role is to locate viable historical policies, determine whether a successful coverage claim is possible, and assist our clients and their legal counsel to obtain insurance coverage. Restorical then manages the claim, including accounting, to ensure the cleanup is funded in a timely manner.

What We Look For

  • Historical insurance policies (pre-1986)
  • Policy numbers, carrier names, and coverage periods
  • Connection between contamination timing and policy period
  • Evidence linking cleanup obligation to insured activity

What We Deliver

  • Historical Coverage Chart
  • Trigger Analysis & Property/Policy Nexus
  • Coverage strategy with recommendations
  • Insurance funding for your remediation
  • Claims Management & Forensic Accounting

The Restorical Proven Process

Task 1 — Research and Analysis
Restorical searches for viable historical insurance policies, researches the site history, analyzes the contamination impacts, and underwrites potential coverage — including a proprietary trigger analysis. At the end of Task 1, we provide a clear yes or no on whether a successful cost recovery is possible, along with a strategy and recommendation specific to your situation, even if you are not the policyholder.
Task 2 — Coverage and Funding
When Task 1 confirms viable coverage, Restorical works with your legal counsel to tender the claim, negotiate and secure insurance coverage. Restorical will manage the ongoing claim process, including accounting to ensure the insurance companies are funding your remediation in a timely manner.

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This analysis is preliminary and based on publicly available records. Restorical Research is not a law firm and does not provide legal advice.