The Registry of Toxic Effects of Chemical Substances

Tungsten carbide

RTECS #: YO7250000

CAS #: 12070-12-1

UPDATE: May 2004 MW: 195.86 MF: CW


NOTE:

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

SYNONYMS:

  1. NCI C61198
  1. Tungsten monocarbide


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
DNA damage human leukocyte 10 mg/L MUREAV 392,31,1997
micronucleus test human leukocyte 50 mg/L MUREAV 392,31,1997


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 5 mg( week)/m3; short term exposure limit 10 mg( week)/m3 DTLVS* TLV/BEI,1999


STANDARDS AND REGULATIONS:

ORGANIZATION STANDARD
REFERENCE
Mine Safety and Health Administration (MSHA) STANDARD - air time-weighted average 5 mg( week)/m3 DTLVS* 3,272,1971
Occupational Exposure Limit - AUSTRALIA time-weighted average 5 mg( week)/m3, short term exposure limit 10 mg( week)/m3, JAN1993
Occupational Exposure Limit - AUSTRIA MAK 5 mg/m3, JAN1999
Occupational Exposure Limit - BELGIUM time-weighted average 5 mg( week)/m3, short term exposure limit 10 mg( week)/m3, JAN1993
Occupational Exposure Limit - DENMARK time-weighted average 5 mg( week)/m3, JAN1999
Occupational Exposure Limit - FINLAND time-weighted average 5 mg( week)/m3, JAN1999
Occupational Exposure Limit - NORWAY time-weighted average 5 mg( week)/m3, JAN1999
Occupational Exposure Limit - THE PHILIPPINES time-weighted average 1 mg( week)/m3, JAN1993
Occupational Exposure Limit - POLAND MAC(time-weighted average) 5 mg( week)/m3, JAN1999
Occupational Exposure Limit - SWEDEN NGV 5 mg( week)/m3, JAN1999
Occupational Exposure Limit - SWITZERLAND MAK- week 5 mg( week)/m3, JAN1999
Occupational Exposure Limit - UNITED KINGDOM time-weighted average 5 mg( week)/m3, short term exposure limit 10 mg( week)/m3, SEP2000
Occupational Exposure Limit IN ARGENTINA, BULGARIA, COLOMBIA, JORDAN, KOREA American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value;

time-weighted average 5 mg( week)/m3;
short term exposure limit 10 mg( week)/m3
Occupational Exposure Limit IN NEW ZEALAND, SINGAPORE, VIETNAM American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value
time-weighted average 5 mg( week)/m3;
short term exposure limit 10 mg( week)/m3


NIOSH DOCUMENTATION AND SURVEILLANCE:

ORGANIZATION STANDARD or SURVEY
REFERENCE
National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Level TO CEMENTED TUNGSTEN CARBIDE-air 10 hour time-weighted average 0.1 mg(Co)/m3 NIOSH* DHHS #92-100,1992
National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Level TO TUNGSTEN, insoluble-air time-weighted average 5 mg( week)/m3;
short term exposure limit 10 mg/m3 		NIOSH* DHHS #92-100,1992
National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Level TO CEMENTED TUNGSTEN CARBIDE-air 10 hour time-weighted average 0.015 mg/m3 NIOSH* DHHS #92-100,1992
National Occupational Exposure Survey 1983 National Occupational Exposure Survey 1983: Hazard Code: X2977;
Number of Industries 4;
Total Number of Facilities 158;
Number of Occupations 7;
Total Number of Employees Exposed 3,395;
Total Number of Female Employees Exposed 297


STATUS IN FEDERAL AGENCIES:

ORGANIZATION
REFERENCE
EPA TSCA Section 8(b) CHEMICAL INVENTORY
Used as coatings
EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JANUARY 2001


REFERENCES:

CODEN
REFERENCE
DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964-
NIOSH* National Institute of Occupational Safety and Health, U.S. Dept. of Health, Education, and Welfare, Reports and Memoranda.

Used as coatings

RTECS Compound Description:
   Mutagen

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