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Silica, amorphous - diatomaceous earth

RTECS #: VV7311000

CAS #: 61790-53-2


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. Celite
  2. Diatomaceous earth, natural
  3. Kieselguhr
  1. Silica, amorphous - diatomaceous earth (uncalcined) (ACGIH)
  2. Silica, amorphous, diatomaceous earth, containing >1 % crystalline silica (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

International Agency for Research on Cancer (IARC) Cancer Review Animal Inadequate Evidence IMEMDT 42,39,1987
International Agency for Research on Cancer (IARC) Cancer Review Human Inadequate Evidence IMEMDT 42,39,1987
International Agency for Research on Cancer (IARC) Cancer Review Animal Inadeauate Evidence IMEMDT 68,41,1997
International Agency for Research on Cancer (IARC) Cancer Review Human Inadequate Evidence IMEMDT 68,41,1997
International Agency for Research on Cancer (IARC) Cancer Review Group 3 IMEMDT 68,41,1997


STANDARDS AND REGULATIONS:

ORGANIZATION STANDARD
REFERENCE

Mine Safety and Health Administration (MSHA) STANDARD - dust in air time-weighted average 20 mccpf DTLWS* 3,33,1973
Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (General Industry) 8 hour time-weighted average 80 mg/m3/%SiO2 CFRGBR 29,1910.1000,1994
Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (Construction) 8 hour time-weighted average 80 mg/m3/%SiO2 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/(%SiO2+5) 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/(%SiO2+5) CFRGBR 41,50-204.50,1994
Occupational Exposure Limit - AUSTRALIA time-weighted average 10 mg/m3, JUL2008
Occupational Exposure Limit - BELGIUM time-weighted average 10 mg/m3, MAR2002
Occupational Exposure Limit - BELGIUM time-weighted average 3 mg/m3 (resp. dust), MAR2002
Occupational Exposure Limit - DENMARK time-weighted average 1.5 mg/m3 (respirable, with no quartz), OCT 2002
Occupational Exposure Limit - GERMANY MAK 4 mg/m3 (inhalable), 2005
Occupational Exposure Limit - JAPAN Occupational Exposure Limit 0.5 mg/m3 (respirable), 2 mg/m3 (total), APR2007
Occupational Exposure Limit - KOREA time-weighted average 10 mg/m3, 2006
Occupational Exposure Limit - MEXICO time-weighted average 10 mg/m3 (inhalable), 2004
Occupational Exposure Limit - MEXICO time-weighted average 3 mg/m3 (respirable), 2004
Occupational Exposure Limit - NEW ZEALAND time-weighted average 10 mg/m3 (inspirable dust), JAN2002
Occupational Exposure Limit - NORWAY time-weighted average 1.5 mg/m3 (resp. dust), JAN1999
Occupational Exposure Limit - SWITZERLAND MAK- week 4 mg/m3, DEC2006
Occupational Exposure Limit - THAILAND time-weighted average 80 mg/m3, JAN1993
Occupational Exposure Limit - UNITED KINGDOM time-weighted average 1.2 mg/m3 (respirable), 2005
Occupational Exposure Limit IN ARGENTINA, BULGARIA, COLOMBIA, JORDAN American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value;

Occupational Exposure Limit IN SINGAPORE, VIETNAM American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value


NIOSH DOCUMENTATION AND SURVEILLANCE:

ORGANIZATION STANDARD or SURVEY
REFERENCE

National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Level TO SILICA, amorphous,diatomaceous earth-air time-weighted average 6 mg/m3 NIOSH* DHHS #92-100,1992
National Occupational Exposure Survey 1983 National Occupational Exposure Survey 1983: Hazard Code: X3017;
Number of Industries 109;
Total Number of Facilities 11,151;
Number of Occupations 97;
Total Number of Employees Exposed 169,362;
Total Number of Female Employees Exposed 24,496


STATUS IN FEDERAL AGENCIES:

ORGANIZATION
REFERENCE

EPA TSCA Section 8(b) CHEMICAL INVENTORY
Used in clarifying liquids, in manufacture of fire brick and heat insulators
EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JANUARY 2001
NIOSH Analytical Method, 1994: Silica, amorphous, 7501


REFERENCES:

CODEN
REFERENCE

CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402)
DTLWS* "Documentation of the Threshold Limit Values for Substances in Workroom Air," Supplements. For publisher information, see 85INA8.
IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972-
NIOSH* National Institute of Occupational Safety and Health, U.S. Dept. of Health, Education, and Welfare, Reports and Memoranda.

Used in clarifying liquids, in manufacture of fire brick and heat insulators

RTECS Compound Description:
   Tumorigen

ALT CAS #: 12750-99-1
ALT CAS #: 29847-98-1
ALT CAS #: 37337-67-0
ALT CAS #: 54511-18-1
ALT CAS #: 56748-40-4
ALT CAS #: 67016-73-3
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