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.
The Adamson Building site in Langley was contaminated by petroleum releases from multiple tank sources: a heating oil tank in the southeast corner of the property, an underground storage tank beneath adjacent First Street, and two reported above-ground tanks on the north and south sides of the former building. Contamination — kerosene, diesel, stove oil, and gasoline-range hydrocarbons — was discovered during pre-1994 excavation for building foundations. Cleanup has included removal of the tanks and petroleum-impacted soil, landfarming treatment of excavated material, installation of a soil vapor extraction system, and a site assessment and ranking process spanning at least ten years. That history could support an insurance cost recovery claim against carriers who issued insurance policies 40+ years ago.
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 tanks responsible for contamination at this property had already been removed by the time releases were discovered in the early 1990s, placing their installation and operation in the 1960s or 1970s — the period when occurrence-based Commercial General Liability policies were the industry standard and contained no effective pollution exclusion in Washington. The documented remediation trail — tank removals, soil excavation and landfarming, vapor extraction, and a decade-long regulatory assessment — represents costs tied directly to those pre-1986 operations. Historical carriers whose CGL policies were in force during that operational window may be obligated both to recover past cleanup expenditures and to fund the remediation work that remains ongoing.
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
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Contact UsThis analysis is preliminary and based on publicly available records. Restorical Research is not a law firm and does not provide legal advice.


