This property has a documented history as a bulk fuel distribution terminal predating 1986. Historical insurance policies issued during those prior operations and through 1986 could fund a cleanup — and recover costs already spent.
The Chevron Bulk Plant in Westport served as a petroleum bulk storage and distribution facility, housing five underground storage tanks with a combined capacity of approximately 70,025 gallons — storing heating oil, unleaded gasoline, leaded gasoline, and diesel. In 1991, Ecology received notices to decommission those USTs, and a 20-to-25-gallon petroleum release was documented on site. Cleanup under the Standard Cleanup program has included remediation of that release and the planned removal of all five tanks. 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 presence of leaded gasoline in the bulk plant's underground storage tanks confirms petroleum distribution operations well before 1986, when occurrence-based Commercial General Liability policies were still issued without an effective pollution exclusion. Contamination from decades of bulk fuel storage and handling at this site is precisely the kind of long-tail environmental release those pre-1986 policies were written to cover. The remediation costs already incurred and the tank-removal work still ahead represent expenditures that historical carriers on risk during the bulk plant's operating years may be obligated both to reimburse and to fund going forward.
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.


