This property has a documented history as a public works and maintenance facility predating 1986. Historical insurance policies issued during those prior operations and through 1986 could recover the cleanup costs already paid.
The SCL Bothell Substation — operated by Seattle City Light, a municipal public utility — maintained an on-site gas underground storage tank used to fuel utility vehicles, a leak from which was identified during a routine annual inspection. In 1993, remediation included full UST removal and three rounds of soil overexcavation to address petroleum-contaminated material; the site achieved Method A cleanup levels for TPH, BTEX, and lead, yielding a No Further Action determination. Groundwater was encountered during cleanup activities but was neither assessed nor treated. 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.
Lead detected in confirmation soil samples at this property is a reliable indicator that the UST stored leaded gasoline, placing its active operational period firmly before 1986 — when occurrence-based Commercial General Liability policies were standard and carried no effective pollution exclusion. The contamination here arose from a slow subsurface leak in an underground tank that had been in continuous service at a Seattle City Light facility, precisely the type of gradual release those pre-1986 policies were written to address. Historical carriers who issued CGL coverage to this municipal utility operation during that window may still be obligated to recover the documented soil excavation and removal costs.
Restorical's role is to locate viable historical policies, determine whether a successful cost recovery claim is possible, and assist our clients and their legal counsel to obtain insurance coverage for costs already incurred. Restorical's forensic accounting team works to re-establish and document past cleanup expenditures, ensuring the strongest possible basis for recovery.
Recovering Costs from an Older Cleanup
If this site reached No Further Action years ago, the original cleanup expenditures may be difficult to reconstruct. Restorical's forensic accounting team specializes in re-establishing and documenting past cleanup costs — even decades later — to build the strongest possible basis for an insurance recovery claim.
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.