Industrial & Manufacturing cleanup site — Restorical Research
All Night Air Sweep
Everett, Snohomish County
Restorical Research
Preliminary Site-Specific Analysis

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.

The Allnight Air Sweep site in Everett operated as a commercial street sweeping business, deploying truck-mounted industrial vacuums to sweep parking lots and streets under contract. Contamination at the property stems from vehicle leakage, truck maintenance activities, and improper disposal of automotive waste and collected street sweepings; a 1994 notice of violation documented large patches of oil and grease on site consistent with routine operational practices. The site has received an independent site assessment and is awaiting a formal Site Hazard Assessment under the Toxics Cleanup Program, with no active remediation yet commenced. That history could support an insurance cost recovery claim against carriers who issued insurance policies 40+ years ago.

Former Use
Former Industrial & Manufacturing
AddressEverett, Snohomish County
Historical UseIndustrial & Manufacturing
Est. Operating SincePre-1986
StatusAwaiting Cleanup
Contamination & Investigation
Site Assessment Summary
ContaminantsPetroleum hydrocarbons (oil and grease) from vehicle leakage and truck maintenance activities detected in soil
Media ImpactedSoil, Groundwater, Air
Regulatory ProgramMTCA — Standard Cleanup
Ecology Site #1839

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 oil-and-grease contamination here is the product of habitual, recurring operations — not a one-time incident — and the 1994 notice of violation describes a pattern of accumulation that by its nature began well before 1986, when occurrence-based CGL policies without effective pollution exclusions were still the industry standard. Policies issued to the operators of this street sweeping business during that pre-1986 window may carry continuing obligations for the contamination those operations produced. The cleanup costs now facing this property — hazard assessment, remedial investigation, and eventual remediation — represent expenditures that historical carriers could plausibly be obligated to fund.

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.