Dust entry

Heat-treated sewage-sludge dust

Airborne particulate released during handling or processing of heat-treated sewage sludge or biosolids.

Airborne form

dust

The form describes what is suspended in air at the point of exposure. A material can produce more than one form, such as dust during handling and fume during heating.

Health effects

sewage-sludge diseasenon-fibrotic dust-related lung diseaserespiratory irritation concern

Evidence

CCOHS lists dust from heat-treated sludge as an occupational exposure associated with sewage-sludge disease and identifies it in its table of dust-related lung diseases.

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Background · 1

About 33% of animal handlers have allergic symptoms, and approximately 10% have symptoms of animal-induced asthma. Animals or animal products such as dander, hair, scales, fur, saliva, and body wastes contain powerful allergens that can cause both respiratory and skin disorders.

Controls

enclosed sludge handling
local exhaust ventilation
dust suppression
hygiene controls
exposure assessment
appropriate respiratory protection