Gas Station cleanup site — Restorical Research
EZ Mini Mart
Puyallup, Pierce County
Restorical Research
Preliminary Site-Specific Analysis

This property has a documented history as a gasoline service station going back to 1975. Historical insurance policies issued during operations at this property and through 1986 could fund a cleanup — and recover costs already spent.

This property has operated as a convenience store and gas station since at least 1975, with petroleum distribution from underground storage tanks beginning by 1979. Four USTs — including two 4,000-gallon unleaded gasoline tanks, one 6,000-gallon unleaded gasoline tank, and one 4,000-gallon leaded gasoline tank — were installed circa 1979 and have been the source of documented contamination in soil, groundwater, and soil vapor. Cleanup under the Voluntary Cleanup Program has included multiple phases of UST removal and soil excavation in 1994 and 2006, installation and operation of a groundwater treatment system beginning in 1994, groundwater monitoring from 2017 through 2019, and installation of a sub-slab depressurization system in 2023 to address vapor intrusion. The site continues to operate as a gas station and mini mart. That history could support an insurance cost recovery claim against carriers who issued insurance policies 40+ years ago.

Former Use
Former Gas Station
AddressPuyallup, Pierce County
Historical UseGas Station
Est. Operating Since1975
StatusCleanup Started
Contamination & Investigation
Site Assessment Summary
ContaminantsPetroleum hydrocarbons (gasoline constituents including leaded gasoline) detected in soil, groundwater, and soil vapor
Media ImpactedSoil, Groundwater
Regulatory ProgramMTCA — Voluntary Cleanup Program
Ecology Site #6234

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.

Petroleum contamination at this property traces to underground storage tanks installed and operated starting in 1979 — seven years before occurrence-based Commercial General Liability policies gave way to claims-made forms with absolute pollution exclusions. The carriers who issued CGL policies during those pre-1986 fueling operations may still bear obligation for the remediation costs already incurred over three decades of cleanup — tank removals, soil excavation, groundwater treatment, long-term monitoring — as well as the ongoing vapor-intrusion mitigation the site now requires.

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.