The Registry of Toxic Effects of Chemical Substances

Hafnium

RTECS #: MG4600000

CAS #: 7440-58-6

UPDATE: November 2004 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(Hf)/m3 DTLVS* TLV/BEI,2003
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, JAN1993
Occupational Exposure Limit - AUSTRIA MAK 0.5 mg/m3, JAN1999
Occupational Exposure Limit - BELGIUM time-weighted average 0.5 mg/m3, JAN1993
Occupational Exposure Limit - DENMARK time-weighted average 0.5 mg/m3, JAN1999
Occupational Exposure Limit - FINLAND time-weighted average 0.5 mg/m3, JAN1999
Occupational Exposure Limit - FRANCE VME 0.5 mg/m3, JAN1999
Occupational Exposure Limit - GERMANY MAK 0.5 mg/m3, JAN1999
Occupational Exposure Limit - THE NETHERLANDS MAC-TGG 0.5 mg/m3, 2003
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, JAN1999
Occupational Exposure Limit - UNITED KINGDOM time-weighted average 0.5 mg/m3, short term exposure limit 1.5 mg/m3, SEP2000
Occupational Exposure Limit IN ARGENTINA, BULGARIA, COLOMBIA, JORDAN, KOREA American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value;

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