NAME: Calcium Carbonate (Respirable Fraction)
SYNONYM(s):
Aragonite; Oyster Shells; Calcite; Chalk; Limestone; Marble; Marl;
Travertine
IMIS: C130
CAS: 1317-65-3
Other CAS:
471-34-1
DESCRIPTION:
Solid.
Exposure Limits
OSHA GENERAL INDUSTRY PEL:
See Dust (Respirable Nuisance) 5.0 mg/m3 (TABLE Z-3) or Dust, Total
15.0 mg/m3 (TABLE Z-3)
NIOSH REL: 5 mg/m3 TWA
Health Factors
HEALTH EFFECTS:
Nuisance Particulates (HE19)
IC_CAS_NUMBEL19471-34-1; 1317-65-3
Monitoring
PRIMARY SAMPLING/ANALYTICAL METHOD (SLC1):
MEDIA:
Tared Low Ash Polyvinyl Chloride (LAPVC) filter 5 microns preceded by 10 mm Nylon Cyclone
MAX V:
816 Liters MIN V:
480 Liters MAX F:
1.7 L/min
ANL 1:
Gravimetric
REF:
11, 12
SAE:
0.10
CLASS:
Fully Validated
NOTE:
Field method. If the gross weight of the sample yields a concentration below the standard for the air contaminate, do not submit the sample to SLTC for analysis.
ANL A:
Atomic Absorption Spectroscopy; AAS
REF:
2 (OSHA ID-121)
CLASS:
Not Validated
NOTE:
An elemental analysis is performed for total calcium and reported as the compound.
COND:
Calcium carbonate is soluble in concentrated mineral acids.
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