HSE lists cockroach material as a substance that can cause occupational asthma and defines the exposure as dust from cockroach bodies, eggs, saliva, faeces, and cast skins.
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Substances that can cause occupational asthma · Cockroach material
Substances that can cause occupational asthma · Cockroach material
Cockroach material — Dust from the bodies, eggs, saliva, faeces and cast skins of cockroaches.