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Hafnium

RTECS #: MG4600000

CAS #: 7440-58-6


UPDATE: May 2009 MW: 178.49 MF: Hf


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. Hafnium (ACGIH:OSHA)


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 0.5 mg/m3 DTLVS* TLV/BEI,2007
TOXICOLOGY REVIEW
IHFMAU -,-,1954


STANDARDS AND REGULATIONS:

ORGANIZATION STANDARD
REFERENCE

Mine Safety and Health Administration (MSHA) STANDARD - air time-weighted average 0.5 mg/m3 DTLVS* 3,123,1971
Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (General Industry) 8 hour time-weighted average 0.5 mg/m3 CFRGBR 29,1910.1000,1994
Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (Construction) 8 hour time-weighted average 0.5 mg/m3 CFRGBR 29,1926.55,1994
Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (Shipyards) 8 hour time-weighted average 0.5 mg/m3 CFRGBR 29,1915.1000,1993
Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (Federal Contractors) 8 hour time-weighted average 0.5 mg/m3 CFRGBR 41,50-204.50,1994
Occupational Exposure Limit - AUSTRALIA time-weighted average 0.5 mg/m3, JUL2008
Occupational Exposure Limit - BELGIUM time-weighted average 0.5 mg/m3, MAR2002
Occupational Exposure Limit - DENMARK time-weighted average 0.5 mg(Hf)/m3 (dust), OCT 2002
Occupational Exposure Limit - DENMARK time-weighted average 0.5 mg/m3 (dust), OCT 2002
Occupational Exposure Limit - FINLAND time-weighted average 0.5 mg/m3, JAN1999
Occupational Exposure Limit - FRANCE VME 0.5 mg/m3, FEB2006
Occupational Exposure Limit - KOREA time-weighted average 0.5 mg/m3, 2006
Occupational Exposure Limit - MEXICO time-weighted average 0.5 mg(Hf)/m3;
short term exposure limit 1.5 mg(Hf)/m3 (metal), 2004
Occupational Exposure Limit - THE NETHERLANDS MAC-TGG 0.5 mg/m3, 2003
Occupational Exposure Limit - NEW ZEALAND time-weighted average 0.5 mg/m3, JAN2002
Occupational Exposure Limit - THE PHILIPPINES time-weighted average 0.5 mg/m3, JAN1993
Occupational Exposure Limit - POLAND MAC(time-weighted average) 0.5 mg/m3, JAN1999
Occupational Exposure Limit - SWITZERLAND MAK- week 0.5 mg/m3, DEC2006
Occupational Exposure Limit IN ARGENTINA, BULGARIA, COLOMBIA, JORDAN American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value;

time-weighted average 0.5 mg/m3
Occupational Exposure Limit IN SINGAPORE, VIETNAM American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value
time-weighted average 0.5 mg/m3


NIOSH DOCUMENTATION AND SURVEILLANCE:

ORGANIZATION STANDARD or SURVEY
REFERENCE

National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Level TO HAFNIUM-air 10 hour time-weighted average 0.5 mg/m3 NIOSH* DHHS #92-100,1992
National Occupational Hazard Survey 1974 National Occupational Hazard Survey 1974: Hazard Code: 35755;
Number of Industries 16;
Total Number of Facilities 331;
Number of Occupations 16;
Total Number of Employees Exposed 3,335
National Occupational Exposure Survey 1983 National Occupational Exposure Survey 1983: Hazard Code: 35755;
Number of Industries 1;
Total Number of Facilities 3;
Number of Occupations 7;
Total Number of Employees Exposed 1,004;
Total Number of Female Employees Exposed 3


STATUS IN FEDERAL AGENCIES:

ORGANIZATION
REFERENCE

EPA TSCA Section 8(b) CHEMICAL INVENTORY
OSHA ANALYTICAL METHOD #ID121


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
IHFMAU Industrial Hygiene Foundation of America, Medical Series, Bulletin. (Pittsburgh, PA) No.1-17, 1937-70. Discontinued.
NIOSH* National Institute of Occupational Safety and Health, U.S. Dept. of Health, Education, and Welfare, Reports and Memoranda.

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