Chrysotile
Properties
of chrysotile is described
below
PHYSICAL STATE;
APPEARANCE:
WHITE, GREY, GREEN OR
YELLOWISH FIBROUS SOLID.
PHYSICAL DANGERS:
CHEMICAL DANGERS:
OCCUPATIONAL EXPOSURE LIMITS:
TLV: (For fibres longer than 5 um with an aspect ratio equal to or
greater than: 3:1 as determined by the membrane filter method at
400-450X magnefication (4-mm objective) phase contrast elimination) 0.1
fibre/cc as TWA; A1; (ACGIH 2004).
MAC:
Carcinogen category: 1;
(DFG 2004).
EU OEL: 0.1 fibres/cc (EU 2003).
ROUTES OF EXPOSURE:
The substance can be
absorbed into the body by inhalation.
INHALATION RISK:
Evaporation at 20°C is negligible; a harmful concentration of
airborne particles can, however, be reached quickly.
EFFECTS OF SHORT-TERM EXPOSURE:
EFFECTS OF LONG-TERM OR REPEATED EXPOSURE:
The substance may have effects on the lungs , resulting in pulmonary
fibrosis and mesothelioma. This substance is carcinogenic to humans.
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units
For more information see website:
http://www.cdc.gov/niosh/ipcsneng/neng0014.html
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