Food Processing and Packing Plant Workers

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Meat, poultry, and seafood processing; produce packing and cold storage; bakery and dairy; beverage and canning; and commissary and central kitchen operations.

This is one of the most cumulative-trauma-intensive industries there is, and the reason is structural: the line sets the pace, and the worker cannot.

A processing job can involve tens of thousands of forceful, repetitive hand and wrist motions per shift, at a speed nobody on the floor controls.

The repetitive strain claim

Hands and wrists. Carpal tunnel, tendinitis, trigger finger, and De Quervain's. Know the rating rules in advance:

• Loss of grip strength is expressly excluded from a compression neuropathy rating — the most intuitive complaint is written out of it.
• Normal electrodiagnostic testing does not permit a diagnosis for rating purposes, so a worker with real symptoms and clean studies rates zero under the strict method.
• De Quervain's and trigger finger have no diagnosis-based value at all and rate zero if motion returns.

None of that affects your right to medical treatment or to wage replacement while you are off work. Those are separate entitlements. The full explanation.

Shoulders, from sustained work at or above shoulder height on a line. Shoulder injuries.

Backs, from lifting, boxing, and palletizing. Low back injuries.

Knees, from standing on concrete for ten hours. Knee injuries.

And the date of injury is not when it started. Under § 5412 it is when you first suffered disability and knew or should have known it was work-related. "It's been building for years" describes a cumulative trauma claim; it does not make it late. How they work.

The acute injuries

Blades and machinery — saws, grinders, slicers, augers, and conveyors. Amputations are on the § 4656(c)(3) list: 240 compensable weeks of temporary disability instead of 104, worth up to about $240,000 at 2026 rates. And a machine injury is frequently also a products case against the manufacturer, which pays for pain and suffering when comp does not. Amputation. · Third-party claims.

Ammonia. Industrial refrigeration systems use anhydrous ammonia, and a release causes severe respiratory and eye injury. Reactive airways dysfunction syndrome — persistent asthma-like disease after a single intense irritant exposure — is a recognized outcome, and it defeats the "you can't get asthma from one incident" argument. And chemical burns to the eyes are separately on the § 4656(c)(3) list. Chemical exposure. · Eye injuries.

Cold. Prolonged cold exposure aggravates every one of the repetitive strain conditions above and is an independent risk factor.

Falls on wet, greasy floors.

Noise. Hearing loss.

And heat, in cook, bake, and sterilization areas — now covered by 8 CCR § 3396 since July 23, 2024. Heat illness.

Line speed and § 4553

Where the employer knew a line speed or a station was injuring people and did nothing — a prior Cal/OSHA citation, an ergonomic assessment that was ignored, a pattern of identical injuries at the same station, a complaint on record — Labor Code § 4553 increases compensation by one-half, and Insurance Code § 11661 forbids insuring against it. The employer pays it personally.

Twelve-month deadline from the injury. How.