Dry Cleaner cleanup site — Restorical Research
West Coast Equipment 2
Seattle, King County
Restorical Research
Preliminary Site-Specific Analysis

This property has a documented history as a dry cleaning facility going back to 1963. Historical insurance policies issued during those prior operations and through 1986 could fund a cleanup — and recover costs already spent.

Between 1963 and 1967, this property was owned by Eastern Supply Company, an industrial dry-cleaning supplier. The primary contamination source is a tetrachloroethylene (PCE) aboveground storage tank that Eastern Supply operated across the roadway and immediately north of the site; PCE released from that off-site tank migrated onto the property and has degraded over time into trichloroethylene (TCE) and vinyl chloride. Remediation has included consolidation of shallow TPH contamination in 1996–1997, an on-site PCS excavation in February 2021, and groundwater monitoring continuing since at least April 2021. That history could support an insurance cost recovery claim against carriers who issued insurance policies 40+ years ago.

Former Use
Former Dry Cleaner
AddressSeattle, King County
Historical UseDry Cleaner
Est. Operating Since1963
StatusCleanup Started
Contamination & Investigation
Site Assessment Summary
ContaminantsTetrachloroethylene (PCE), trichloroethylene (TCE), and vinyl chloride (VC) in soil and groundwater, with petroleum hydrocarbons (TPH) also present
Media ImpactedSoil, Groundwater, Air
Regulatory ProgramMTCA — Voluntary Cleanup Program
Ecology Site #1405

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 contamination here traces to a PCE storage tank in operation no later than 1969 — more than fifteen years before 1986 — and to Eastern Supply's ownership of this property during the 1963–1967 period. Insurance carriers who issued CGL policies to Eastern Supply or to successive property owners during that pre-1986 window may bear exposure for remediation costs that have now stretched across three decades, from the 1996–1997 TPH consolidation through the 2021 excavation and ongoing groundwater monitoring. The cross-roadway migration of PCE from an off-site source further complicates the remediation picture and underscores the value of identifying every historical carrier with a nexus to this contamination event.

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.