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Silicate, mica

RTECS #: VV8760000

CAS #: 12001-26-2


UPDATE: May 2009 MW: N/R MF: N/R


NOTE:

TABLE OF CONTENTS:
  1. SYNONYMS:
  2. REVIEWS:
  3. STANDARDS AND REGULATIONS:
  4. NIOSH DOCUMENTATION AND SURVEILLANCE:
  5. STATUS IN FEDERAL AGENCIES:
  6. REFERENCES:

SYNONYMS:

  1. Mica
  2. Silicates : mica (ACGIH:OSHA)
  1. Soapstone
  2. Suzorite mica


SKIN AND EYE IRRITATION DATA AND REFERENCES:

ROUTE/
ORGANISM
DOSE
EFFECT

REFERENCE
N/R
N/R N/R N/R


MUTATION DATA AND REFERENCES:

SYSTEM TEST ROUTE/
ORGANISM/
TISSUE
DOSE REFERENCE
N/R N/R N/R N/R


REPRODUCTIVE EFFECTS DATA AND REFERENCES:

ROUTE/
ORGANISM
DOSE
EFFECT

REFERENCE
N/R
N/R N/R N/R


TUMORIGENIC DATA AND REFERENCES:

ROUTE/
ORGANISM
DOSE
EFFECT

REFERENCE
N/R
N/R N/R N/R


ACUTE TOXICITY DATA AND REFERENCES:

ROUTE/
ORGANISM
DOSE
EFFECT

REFERENCE
N/R
N/R N/R N/R


OTHER MULTIPLE DOSE DATA AND REFERENCES:

ROUTE/
ORGANISM
DOSE
EFFECT

REFERENCE
N/R
N/R N/R N/R


REVIEWS:

ORGANIZATION STANDARD
REFERENCE

American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value time-weighted average 3 mg/m3 (respirable) DTLVS* TLV/BEI,2007


STANDARDS AND REGULATIONS:

ORGANIZATION STANDARD
REFERENCE

Mine Safety and Health Administration (MSHA) STANDARD - air time-weighted average 20 million particles per cubic foot DTLWS* 3,33,1973
Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (General Industry) 8 hour time-weighted average 20 million particles per cubic foot, respirable dust CFRGBR 29,1910.1000,1994
Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (Construction) 8 hour time-weighted average 20 million particles per cubic foot, respirable dust CFRGBR 29,1926.55,1994
Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (Shipyards) 8 hour time-weighted average 20 million particles per cubic foot, respirable dust CFRGBR 29,1915.1000,1993
Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (Federal Contractors) 8 hour time-weighted average 20 million particles per cubic foot CFRGBR 41,50-204.50,1994
Occupational Exposure Limit - AUSTRALIA time-weighted average 2.5 mg/m3 (inspirable dust), JUL2008
Occupational Exposure Limit - BELGIUM time-weighted average 3 mg/m3, MAR2002
Occupational Exposure Limit - MEXICO time-weighted average 3 mg/m3 (respirable), 2004
Occupational Exposure Limit - THE NETHERLANDS MAC-TGG 2.5 mg/m3 (respirable dust), 2003
Occupational Exposure Limit - THE NETHERLANDS MAC-TGG 5 mg/m3 (total dust), 2003
Occupational Exposure Limit - NEW ZEALAND time-weighted average 3 mg/m3 (respirable dust), JAN2002
Occupational Exposure Limit - SWITZERLAND MAK- week 3 mg/m3, DEC2006
Occupational Exposure Limit - UNITED KINGDOM time-weighted average 10 mg/m3 (inhalable), 2005
Occupational Exposure Limit - UNITED KINGDOM time-weighted average 0.8 mg/m3 (respirable), 2005
Occupational Exposure Limit IN ARGENTINA, BULGARIA, COLOMBIA, JORDAN American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value;

time-weighted average 3 mg/m3 (respirable)
Occupational Exposure Limit IN SINGAPORE, VIETNAM American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value
time-weighted average 3 mg/m3 (respirable)


NIOSH DOCUMENTATION AND SURVEILLANCE:

ORGANIZATION STANDARD or SURVEY
REFERENCE

National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Level TO SILICATES (<1% CRYST. SILICA) MICA-air:10 hour time-weighted average 3 mg/m3 NIOSH* DHHS #92-100,1992
National Occupational Hazard Survey 1974 National Occupational Hazard Survey 1974: Hazard Code: 48535;
Number of Industries 135;
Total Number of Facilities 12,333;
Number of Occupations 98;
Total Number of Employees Exposed 169,296
National Occupational Exposure Survey 1983 National Occupational Exposure Survey 1983: Hazard Code: X1564;
Number of Industries 2;
Total Number of Facilities 9;
Number of Occupations 3;
Total Number of Employees Exposed 296
National Occupational Exposure Survey 1983 National Occupational Exposure Survey 1983: Hazard Code: 48535;
Number of Industries 179;
Total Number of Facilities 24,854;
Number of Occupations 103;
Total Number of Employees Exposed 348,592;
Total Number of Female Employees Exposed 36,684


STATUS IN FEDERAL AGENCIES:

ORGANIZATION
REFERENCE

EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JANUARY 2001


REFERENCES:

CODEN
REFERENCE

CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402)
DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996
DTLWS* "Documentation of the Threshold Limit Values for Substances in Workroom Air," Supplements. For publisher information, see 85INA8.
NIOSH* National Institute of Occupational Safety and Health, U.S. Dept. of Health, Education, and Welfare, Reports and Memoranda.

Used as reinforcing filler for plastics, substitute for ASBESTOS

NIOSH PROFILE (IRON AND STEEL FOUNDRIES), SRC, 14/77

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