Industrial & Manufacturing cleanup site — Restorical Research
TransAlta Centralia
913 BIG HANAFORD RD, CENTRALIA, Lewis County
Restorical Research
Preliminary Site-Specific Analysis

This property has a documented history as a industrial and manufacturing facility going back to 1968. Historical insurance policies issued during those prior operations and through 1986 could fund a cleanup.

This coal-fired electric power plant was constructed in 1968, with its first boiler installed in 1971 and a second in 1972. TransAlta acquired the facility in 2000, continuing energy production operations on the property. Site investigations have identified contamination in groundwater — including arsenic, halogenated solvents, other metals, and diesel-range petroleum hydrocarbons — as well as metals and mercury in sediment. The site is currently awaiting cleanup under Washington's Standard Cleanup program. That history could support an insurance cost recovery claim against carriers who issued insurance policies 40+ years ago.

Former Use
Former Industrial & Manufacturing
Address913 BIG HANAFORD RD, CENTRALIA, Lewis County
Historical UseIndustrial & Manufacturing
Est. Operating Since1968
StatusAwaiting Cleanup
Contamination & Investigation
Site Assessment Summary
ContaminantsArsenic, mercury, other metals, halogenated solvents, and diesel-range petroleum hydrocarbons in groundwater; metals and mercury in sediment
Media ImpactedSoil, Groundwater, Sediment
Regulatory ProgramMTCA — Standard Cleanup
Ecology Site #17302

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.

Coal-fired power generation at this facility began in 1968, nearly two decades before occurrence-based Commercial General Liability policies gave way to claims-made forms with absolute pollution exclusions. The contamination now documented in groundwater and sediment — arsenic, mercury, halogenated solvents, and petroleum compounds — arose from operations that were underwritten during that pre-1986 window. Historical CGL carriers who covered the plant's operations through the 1970s and into the 1980s may bear obligations to fund the investigation and remediation costs the property now faces.

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.