Heating Oil Tank cleanup site — Restorical Research
William Schueter Living Trust
4110 E Evergreen Blvd, Vancouver, Clark County
Restorical Research
Preliminary Site-Specific Analysis

This property has a documented history as a property with a heating oil tank predating 1986. Historical insurance policies issued during those prior operations and through 1986 could fund a cleanup — and recover costs already spent.

This residential property at 4110 E Evergreen Blvd in Vancouver housed a 675-gallon bare steel heating oil underground storage tank with no corrosion protection — a construction type characteristic of pre-1986 installations in the Pacific Northwest. In July 2016, the tank was decommissioned and removed along with approximately 16 tons of petroleum-contaminated soil. Despite those removal efforts, significant contamination remains: total petroleum hydrocarbons were measured at concentrations up to 17,000 mg/kg in soil, petroleum-diesel is suspected in groundwater, and vapor intrusion has been identified as a likely concern. The site is classified as Cleanup Started, with further evaluation and remediation ongoing. That history could support an insurance cost recovery claim against carriers who issued insurance policies 40+ years ago.

Former Use
Former Heating Oil Tank
Address4110 E Evergreen Blvd, Vancouver, Clark County
Historical UseHeating Oil Tank
Est. Operating SincePre-1986
StatusCleanup Started
Contamination & Investigation
Site Assessment Summary
ContaminantsPetroleum hydrocarbons (TPH, petroleum-diesel), PAHs, benzene, and non-halogenated solvents detected in soil, with petroleum-diesel suspected in groundwater
Media ImpactedSoil, Groundwater, Air
Regulatory ProgramMTCA — Standard Cleanup
Ecology Site #14654

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 stems from a bare steel underground storage tank consistent with pre-1986 installation practices in the region. Occurrence-based Commercial General Liability policies issued during the tank's early decades of operation carried no effective pollution exclusion in Washington and remain potentially accessible for the documented remediation costs — tank removal, soil excavation, and the additional investigation and cleanup work still required to address residual contamination in soil, groundwater, and vapor pathways. As cleanup continues, both past expenditures and future remediation costs may be recoverable from historical carriers whose policies were in force when the heating oil release first occurred.

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.