Molybdenum

MOLECULAR FORMULA :

Mo

MOLECULAR WEIGHT :

95.94

WISWESSER LINE NOTATION :

MO

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :

LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :

Intratracheal

SPECIES OBSERVED :

Rodent - rabbit

DOSE/DURATION :

70 mg/kg

TOXIC EFFECTS :

Lungs, Thorax, or Respiration - fibrosis, focal (pneumoconiosis)

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

DOSE :

6050 ug/kg

SEX/DURATION :

female 35 week(s) pre-mating

TOXIC EFFECTS :

Reproductive - Fertility - pre-implantation mortality (e.g. reduction in number of implants per female; total number of implants per corpora lutea) Reproductive - Fertility - post-implantation mortality (e.g. dead and/or resorbed implants per total number of implants) Reproductive - Specific Developmental Abnormalities - musculoskeletal system

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

DOSE :

5800 ug/kg

SEX/DURATION :

female 30 week(s) pre-mating female 1-20 day(s) after conception

TOXIC EFFECTS :

Reproductive - Specific Developmental Abnormalities - musculoskeletal system

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

DOSE :

448 mg/kg

SEX/DURATION :

multigenerations

TOXIC EFFECTS :

Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus) Reproductive - Effects on Embryo or Fetus - fetal death

MUTATION DATA

TEST SYSTEM :

Rodent - rat

DOSE/DURATION :

19500 ug/m3

REFERENCE :

GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 24(9),33,1980 *** REVIEWS *** TOXICOLOGY REVIEW JAVMA4 Journal of the American Veterinary Medical Association. (American Veterinary Medical Assoc., 930 N. Meacham Rd., Schaumburg, IL 60196) V.48- 1915- Volume(issue)/page/year: 164,277,1974 TOXICOLOGY REVIEW FOREAE Food Research. (Champaign, IL) V.1-25, 1936-60. For publisher information, see JFDSAZ. Volume(issue)/page/year: 7,313,1942 TOXICOLOGY REVIEW KOTTAM Kogai to Taisaku. Journal of Environmental Pollution Control. (Kogai Taisaku Gijutsu Dokokai, Shuwa-Akasaka Bldg., 9-1-244, Akasaka, Minato-ku, Tokyo 107, Japan) V.1- 1965- Volume(issue)/page/year: 11,1300,1975 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 48625 No. of Facilities: 935 (estimated) No. of Industries: 17 No. of Occupations: 29 No. of Employees: 6097 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X5919 No. of Facilities: 29 (estimated) No. of Industries: 2 No. of Occupations: 6 No. of Employees: 2426 (estimated) No. of Female Employees: 1114 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X5984 No. of Facilities: 187 (estimated) No. of Industries: 5 No. of Occupations: 11 No. of Employees: 4474 (estimated) No. of Female Employees: 2432 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 48625 No. of Facilities: 15780 (estimated) No. of Industries: 173 No. of Occupations: 88 No. of Employees: 238124 (estimated) No. of Female Employees: 4166 (estimated)