Toxic Exposure Claims

The Deadline QuestionWhen Does the Filing Clock Start on a Toxic Exposure Claim?

This is the most important and most misunderstood aspect of toxic exposure law — and getting it wrong can permanently bar a valid claim.

The discovery rule doesn't apply automatically and the exact trigger point is fact-specific. If you've recently been diagnosed with a condition you believe may be linked to a past chemical exposure, speak with an attorney promptly — don't assume the claim is barred without getting a proper assessment.

This page provides general information about Washington law and is not legal advice. Deadline rules for toxic exposure cases are highly fact-specific; contact us to discuss your situation.

Sources of ExposureCommon Toxic Exposure Scenarios in Pierce County

Toxic exposure claims arise from a wide range of sources — what they share is that an identifiable substance caused a documented health injury:

• Workplace chemical exposure — solvents, heavy metals (lead, mercury, cadmium), asbestos, industrial gases, and cleaning agents in manufacturing, automotive, agricultural, and construction settings. Pierce County's mix of agricultural land, light industry, and logistics operations creates real occupational exposure risk.
• Pesticide and herbicide exposure — Puyallup's agricultural history and the surrounding valley's ongoing farming operations mean pesticide exposure claims — both occupational and residential — are a realistic local category.
• Contaminated water — groundwater or municipal supply contaminated with industrial chemicals, PFAS compounds, heavy metals, or agricultural runoff.
• Mold exposure — prolonged exposure to toxic mold in rental housing or commercial spaces where a property owner failed to remediate a known problem.
• Carbon monoxide poisoning — from faulty appliances, attached garages, or inadequate ventilation in a rental property — where the property owner's failure to maintain safe conditions creates liability.
• Consumer product exposure — household chemicals, personal care products, or building materials with toxic components that the manufacturer failed to adequately disclose.

Who Is ResponsibleIdentifying Liable Parties in a Toxic Exposure Case

Toxic exposure claims can run against several different types of defendants, and multiple parties often share responsibility:

Building the CaseWhat Evidence a Toxic Exposure Claim Requires

Toxic exposure cases are among the most evidence-intensive in personal injury law. The chain from exposure to documented harm requires establishing each link:

• Exposure documentation — the specific substance, the source, the duration, and the level of exposure. Workplace safety data sheets (SDS), air quality monitoring records, water testing results, and employment records can all be relevant.
• Medical documentation — a diagnosis connecting the condition to the substance. Medical records, treating physician opinions, and specialist evaluations form the foundation.
• Expert testimony — industrial hygienists assess exposure levels and workplace conditions; toxicologists establish the causal link between the substance and the medical condition; medical experts explain the diagnosis and prognosis.
• Defendant's knowledge — what the responsible party knew about the hazard and when. Safety data sheets, internal communications, regulatory violations, and prior complaints can establish that knowledge.

We handle toxic exposure claims on a contingency-fee basis — no attorney fee upfront, a fee only if we recover for you. You work directly with Rob Lloyd and Tim Greene throughout.