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

INCOM: None hazardous

OSHA GENERAL INDUSTRY PEL: 20 mppcf

ACGIH TLV: 3 mg/m3 TWA - Respirable Dust. The value is for particulate matter containing no asbestos and <1% crystalline silica. (Respirable fraction.)

NIOSH REL: 3 mg/m3 TWA

SYMPTOM(s): Coughing, dyspnea; digital clubbing; cyanosis; basal crackles; coronary pulmonale

HEALTH EFFECTS: Pneumoconiosis (HE10)

ORGAN: Lungs, CVS

PRIMARY SAMPLING/ANALYTICAL METHOD (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.