Industrial & Manufacturing cleanup site — Restorical Research
Tarr Inc.
Multnomah County
Restorical Research
Preliminary Site-Specific Analysis

This property has a documented history as an industrial and manufacturing facility predating 1986. Historical insurance policies issued during operations at this property and through 1986 could help fund the ongoing and future cleanup under Oregon DEQ oversight.

This industrial property transitioned from commercial to full industrial use between the late 1950s and the 1970s, accumulating extensive chlorinated solvent and petroleum contamination — including PCE, TCE, cis-1,2-DCE, benzene, and methylene chloride — confirmed in groundwater, soil vapor, and indoor air. A 1991 underground storage tank decommissioning revealed the scope of contamination, and Oregon DEQ has maintained active oversight since, with a Consent Order (OPVC-NWR-17-02) directing ongoing remediation. An SVE system is currently operating, vapor intrusion controls are installed in on-site buildings, quarterly groundwater monitoring continues through Q4 2025, and 1,4-dioxane was identified in groundwater in 2023 and recently added to the remediation scope. That history could support an insurance coverage claim against the carriers who issued policies more than 40 years ago — coverage that could help fund the cleanup ahead.

Former Use
Former Industrial & Manufacturing
LocationMultnomah County
Historical UseIndustrial & Manufacturing
Est. Operating SincePredating 1986
Project StatusAssigned
Contamination & Investigation
Site Assessment Summary
ContaminantsTetrachloroethylene (PCE), trichloroethylene (TCE), cis-1,2-DCE, 1,1-DCA, benzene, chloroform, methylene chloride, 1,4-dioxane, and petroleum hydrocarbons in groundwater, soil vapor, and indoor air
Regulatory ProgramOregon DEQ — Cleanup Program / VCP
DEQ ECSI #1139

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 Oregon — and those policies may provide coverage that remains enforceable today. 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 contamination at this property originated from industrial operations that began in the late 1950s and expanded through the 1970s, well before 1986. Under Oregon DEQ's active Consent Order, the work ahead — including continued SVE operation, vapor intrusion controls, quarterly groundwater monitoring, and the newly scoped 1,4-dioxane remediation — represents substantial costs that historical pre-1986 carriers may be obligated 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

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 viable insurance coverage exists to fund the cleanup, 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.