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✦ Certified Specialist in Workers’ Compensation Law — Certified by the State Bar of California, Board of Legal Specialization ✦
Serving injured workers across California. Board-certified specialist; no fee unless we win.
By Eman Yazdchi, Esq. · Certified Specialist in Workers' Compensation Law, State Bar of California Board of Legal Specialization
In California, workers with silicosis or other occupational lung disease from silica-dust exposure — including engineered-stone countertop fabricators — qualify for full workers' compensation benefits, including lifetime pulmonary care, disability indemnity, and (in severe cases) life pension. Yazdchi Law, a Certified Specialist in Workers' Compensation Law firm, handles California silicosis claims statewide. Request a free case review.
Silicosis is an incurable, progressive lung disease caused by inhalation of respirable crystalline silica dust — the dust kicked up when workers cut, grind, polish, or fabricate stone, concrete, or engineered-quartz countertop slabs. California has been the epicenter of an engineered-stone-countertop silicosis crisis: hundreds of California stone-fabrication workers, many young Latino men in their twenties and thirties, have developed severe silicosis from cutting engineered-quartz slabs without adequate respiratory protection or dust control. The California Department of Public Health and Cal/OSHA have flagged the engineered-stone industry as a public-health emergency.
California workers' compensation treats silicosis as an occupational disease — a cumulative-trauma injury under California Labor Code §3208.1 — because the disease develops over months or years of repeated exposure rather than from any single accident. The filing rules are tied to the discovery rule (the date the worker knew or should have known the condition was work-related) and the last-injurious-exposure rule of California Labor Code §5500.5 (the most recent employer with one year of injurious exposure carries liability).
Yazdchi Law represents California workers with silicosis and other occupational lung disease statewide, from a home office at 1125 W Avenue M-14 in Palmdale with regular appearances at the Van Nuys, Bakersfield, Los Angeles, Long Beach, Pomona, San Bernardino, Riverside, and Oxnard WCAB districts. Eman Yazdchi is a Certified Specialist in Workers' Compensation Law, certified by the California Board of Legal Specialization, State Bar of California.
A California silicosis case operates under the cumulative-trauma framework: occupational-disease claims involve identifying the period of injurious exposure, identifying the responsible employer(s) under the last-injurious-exposure rule, securing the medical-legal evidence (a board-certified pulmonologist's chest CT, pulmonary function tests, and silicosis diagnosis), and then valuing the permanent disability and lifetime medical care.
Under California Labor Code §3208.1, a cumulative-trauma injury is one that develops over multiple repeated workplace exposures rather than from a single accident. Silicosis fits squarely: respirable crystalline silica dust inhaled day after day, week after week, year after year produces the lung scarring (silicotic nodules and progressive massive fibrosis) that defines the disease. The one-year filing clock under California Labor Code §5405 runs from the date the worker knew or should have known the lung condition was work-related — typically when a pulmonologist first attributes pulmonary symptoms or imaging findings to silica exposure. A California worker who has had cough or breathlessness for years can still file timely when the pulmonologist first names the cause.
Under California Labor Code §5500.5, liability for a California cumulative-trauma occupational disease falls on the employer(s) during the last year of injurious exposure — not on every employer the worker ever had. For a stone-fabrication worker who worked at multiple fabrication shops over a career, the most recent shop with one year of silica exposure is typically the primary responsible employer. The rule simplifies what would otherwise be a hopeless allocation problem across decades of employment and ensures the worker has a single primary defendant to litigate against.
Under California Labor Code §4600, the California employer must provide lifetime medical care for silicosis — pulmonologist evaluations, chest CT imaging, pulmonary function testing, supplemental oxygen, pharmacological management, pulmonary rehabilitation, and (for the most severe cases) lung-transplant workup and post-transplant immunosuppression and follow-up care. Permanent disability is rated under California Labor Code §4660 using the AMA Guides 5th Edition Chapter 5 (Respiratory System), which bases the rating on FVC and DLco pulmonary-function-test percentages. Severe silicosis commonly produces ratings into life-pension territory under California Labor Code §4658 (the 70% threshold). TTD under California Labor Code §4653 runs while the worker cannot work; the California Labor Code §4658.7 voucher (up to $6,000) applies when return to the pre-injury job is foreclosed.
Workers' compensation under California Labor Code §3600 is the exclusive remedy against the direct employer. It does not foreclose a civil product-liability or negligence claim against the engineered-stone-slab manufacturer (the silica content in many engineered-quartz products exceeds 90%, vastly higher than natural stone) or against a respirator manufacturer whose product failed to protect the worker. The civil case recovers pain and suffering, full lost earnings, loss of consortium — damages workers' compensation does not pay. The civil and the comp tracks run in parallel. A specialist's value on a silicosis claim is largely identifying both routes at the start.
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Tap to call →California silicosis workers' compensation claims are heard at the WCAB district office nearest the worker's home or last-injurious-exposure worksite. The WCAB operates 24 district offices statewide. Yazdchi Law appears at the Van Nuys, Bakersfield, Los Angeles, Long Beach, Pomona, San Bernardino, Riverside, and Oxnard districts. The Division of Workers' Compensation publishes the procedural rules and the current benefit-rate schedule.
California has reported one of the highest concentrations of engineered-stone silicosis cases in the United States. The engineered-stone-countertop industry, dominated by Latino California workers, has produced severe and rapidly progressive silicosis in workers in their twenties and thirties. Cal/OSHA has issued an emergency temporary standard for the industry. Every California stone-fabrication worker with cough, breathlessness, or abnormal chest imaging should be evaluated by a pulmonologist familiar with silicosis. The cumulative-trauma framework under California Labor Code §3208.1 and the last-injurious-exposure rule of California Labor Code §5500.5 govern these claims.
Yazdchi Law P.C., 1125 W Avenue M-14, Suite A, Palmdale, CA 93551. (661) 273-3939. Free consultations on California silicosis and occupational lung disease workers' compensation claims statewide. Workers' compensation attorney fees are contingent and set by the WCAB under California Labor Code §4906 — nothing owed unless the case recovers. Eman Yazdchi, Esq., is a Certified Specialist in Workers' Compensation Law, certified by the California Board of Legal Specialization, State Bar of California.
Last reviewed by Eman Yazdchi, Esq., May 2026.
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