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Chemical Sampling Information
Calcium Carbonate (Respirable Fraction)
 Field Definitions
 Analytical Methods
 Health Guidelines
General Description

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.


Revision Date: 12/28/1993
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