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Chemical Sampling Information (CSI)
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General Description

Synonyms: Calcium Carbonate

OSHA IMIS Code Number: 1626

Chemical Abstracts Service (CAS) Registry Number: 308068-21-5

Other Chemical Abstracts Service (CAS) Registry Numbers: 1317-65-3 (Marble, OSHA/NIOSH)

NIOSH Registry of Toxic Effects of Chemical Substances (RTECS) Identification Number: EV9580000

NIOSH Pocket Guide to Chemical Hazards, Marble: chemical description, physical properties, potentially hazardous incompatibilities, and more

Exposure Limits

OSHA Permissible Exposure Limit (PEL):

General Industry: 29 CFR 1910.1000 Table Z-1 - 15 mg/m3 TWA

Maritime: 29 CFR 1915.1000 Table Z-Shipyards - 15 mg/m3 TWA

American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value (TLV): 10 mg/m3 TWA; The value is for particulate matter containing no asbestos and <1% crystalline silica. (TLV listed under Calcium Carbonate)

National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Limit (REL): 10 mg/m3 TWA

Health Factors

Potential Symptoms: Irritation of eyes, skin, mucous membranes, upper respiratory system; cough, sneezing, rhinorrhea (discharge of thin mucous); lacrimation (discharge of tears)

Health Effects: Nuisance particulates accumulation in lungs (HE19)

Affected Organs: Eyes, skin, respiratory system

Notes:

  1. A recent report on marble quarrying in Italy stated that "workers, particularly older ones, are affected by chronic obstructive respiratory diseases," but did not provide any data or citations to the literature.

Literature Basis:

  • NIOSH Pocket Guide to Chemical Hazards: Marble.
  • International Chemical Safety Cards (WHO/IPCS/ILO): Calcium carbonate.
  • Angotzi, G., et al.: World at work: marble quarrying in Tuscany. Occup. Environ. Med. 62(6): 417-421, 2005.
  • Pohanish, R.P. (editor): Calcium Carbonate. In, Sittig's Handbook of Toxic and Hazardous Chemicals and Carcinogens, Fourth Ed., Vol. 1. Norwich, NY: Noyes Publications, William Andrew Publishing, 2002, pp. 453-454.

Date Last Revised: 09/28/2005

Monitoring Methods used by OSHA

Primary Laboratory Sampling/Analytical Method (SLC1):

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