This property has a documented history as a industrial and manufacturing facility predating 1986. Historical insurance policies issued during those prior operations and through 1986 could fund a cleanup — and recover costs already spent.
J.B. Asphalt Co. operated an asphalt production facility at this Lynnwood property, storing cold mix on bare ground and conducting manufacturing activities that left widespread oil saturation and staining throughout the site soils. A March 1993 Initial Investigation by the Snohomish Health District documented the existing contamination — heavy oils and WTPH-Diesel — with no evidence of a recent accident, indicating the releases were the product of ongoing industrial operations predating the investigation. A remediation proposal has since been developed identifying approximately 326 cubic yards of contaminated soil exceeding cleanup levels, with excavation anticipated. 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 1993 investigation found no recent spill or accident to explain the contamination — the heavy oils and WTPH-Diesel found here are the residue of years of asphalt manufacturing conducted well before 1986. That industrial timeline matters: CGL policies issued to asphalt operators in the pre-1986 era lacked the pollution exclusions that would later foreclose these claims, making carriers who covered J.B. Asphalt Co.'s manufacturing operations during that window potentially liable for the excavation costs now identified in the remediation proposal.
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.


