Gas Station cleanup site — Restorical Research
Baxter Rutherford
Seattle, King County
Restorical Research
Preliminary Site-Specific Analysis

This property has a documented history as a gasoline service station going back to 1972. Historical insurance policies issued during those prior operations and through 1986 could recover the cleanup costs already paid.

This property housed a gasoline underground storage tank estimated to have been installed around 1972, which was removed in 1997 after being identified as a leaking UST. Soil excavation and sampling during the tank removal revealed diesel-range and oil-range petroleum hydrocarbons at concentrations exceeding MTCA cleanup levels, with groundwater encountered at six feet below ground surface. The site received a No Further Action determination in 2012 following the independent cleanup. That history could support an insurance cost recovery claim against carriers who issued insurance policies 40+ years ago.

Former Use
Former Gas Station
AddressSeattle, King County
Historical UseGas Station
Est. Operating Since1972
StatusNo Further Action
Contamination & Investigation
Site Assessment Summary
ContaminantsDiesel-range and oil-range petroleum hydrocarbons detected in soil at concentrations exceeding MTCA cleanup levels
Media ImpactedSoil, Groundwater
Regulatory ProgramMTCA — Standard Cleanup
Ecology Site #7593

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.

The petroleum contamination at this property originated from an underground storage tank that was in the ground for approximately twenty-five years before its removal — placing its installation and the onset of releases squarely within the pre-1986 era when occurrence-based Commercial General Liability policies carried no effective pollution exclusion in Washington. The documented cleanup expenditures — tank removal, soil excavation, sampling, and the regulatory process culminating in a No Further Action determination — represent costs that historical CGL carriers who covered the property during that operational window may still be obligated to reimburse.

Restorical's role is to locate viable historical policies, determine whether a successful cost recovery claim is possible, and assist our clients and their legal counsel to obtain insurance coverage for costs already incurred. Restorical's forensic accounting team works to re-establish and document past cleanup expenditures, ensuring the strongest possible basis for recovery.

Recovering Costs from an Older Cleanup

If this site reached No Further Action years ago, the original cleanup expenditures may be difficult to reconstruct. Restorical's forensic accounting team specializes in re-establishing and documenting past cleanup costs — even decades later — to build the strongest possible basis for an insurance recovery claim.

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 — Cost Recovery
When Task 1 confirms viable coverage, Restorical works with your legal counsel to tender the claim and negotiate recovery of costs already incurred. Restorical's forensic accounting team re-establishes and documents past cleanup expenditures, managing the claim process to ensure the insurance companies fulfill their obligation 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.