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Dust entry

Plaster of Paris dust

Fine particulate released from plaster of Paris, the hemihydrate form of calcium sulfate, during handling or mixing.

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

eye irritationskin irritationmucous-membrane irritationrespiratory irritationcough

Evidence

The current NIOSH Pocket Guide sets plaster-of-Paris exposure limits at 10 mg/m³ total and 5 mg/m³ respirable, describes a white or yellowish finely divided odorless powder, and reports eye, skin, mucous-membrane, and respiratory irritation with cough.

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Exposure Limits; Physical Description; Exposure Routes; Symptoms · 1
NIOSH REL TWA 10 mg/m³ (total) TWA 5 mg/m³ (resp). Physical Description White or yellowish, finely divided, odorless powder. Exposure Routes inhalation, ingestion, skin and/or eye contact. Symptoms irritation eyes, skin, mucous membrane, respiratory system; cough.

The NIOSH Pocket Guide identifies plaster of Paris as a finely divided powder and lists inhalation, ingestion, skin, and eye contact routes; it reports irritation of the eyes, skin, mucous membranes, and respiratory system, with cough.

Source: html ↗ · saved source
Symptoms and target organs · 1
Exposure Routes: inhalation, ingestion, skin and/or eye contact. Symptoms: irritation eyes, skin, mucous membrane, respiratory system; cough. Target Organs: Eyes, skin, respiratory system.

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