NAME: Soapstone (Respirable Fraction)
SYNONYM(s):
Massive talc; Steatite
IMIS: S121
NIOSH: RTECS VV8780000
DESCRIPTION:
Odorless solid; < 10% tremolite, < 1% silica, crystalline.
MW:
379
VP:
approx. 0 mm
Exposure Limits
OSHA GENERAL INDUSTRY STANDARDS:
20 mppcf
THRESHOLD LIMIT VALUE:
3 mg/m3 TWA - Respirable Dust. The value is for particulate matter
containing no asbestos and <1% crystalline silica. (Respirable
fraction.)
RECOMMENDED EXPOSURE LIMIT: 3 mg/m3 TWA
Health Factors
SYMPTOM(s):
Coughing, dyspnea; digital clubbing; cyanosis; basal crackles;
coronary pulmonale
HEALTH EFFECTS:
Pneumoconiosis (HE10)
ORGAN:
Lungs, CVS
Monitoring
SLC1:
See Particulates not otherwise regulated (Respirable Fraction)
NOTE:
Gravimetric analysis is field method. Following this analysis, submit sample to SLTC for Quartz analysis. If filter is not overloaded, samples may be collected up to an 8-hour period. Submit bulk sample in separate mailing container at time air samples are submitted.
|
