Product ID:BL643
MSDS Date:04/04/1994
FSC:5960
NIIN:00-682-8864
MSDS Number: BTKRL

Emergency Phone: 508-922-6000

Info Phone: 508-922-6000

Preparer: FRANK E. TROJAN

Cage: 88236

Telephone: 978-922-6000 EXT.285

Cage: 88236

COBALT 60

Fraction By Weight: <1%

OSHA PEL 0.1 MG/M3;AS CO

ACGIH TLV: 0.05 MG/M3;DUST 9293

LD50 LC50 Mixture:EXPOSURE LIMIT IS 5000MILLIREMS/YR.
Routes of Entry: Inhalation:YES Skin:YES Ingestion:YES
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:SKIN:MAY CAUSE BURNS.COBALT METAL MAY
CAUSE DERMATITIS,SWOLLEN GLANDS(ESP.IN CREASES OF
ELBOWS,KNEES,ANKLES,NECK).INHAL:MAY CAUSE DIFFICULTY IN
BREATHING,IRRITATION.EYES:MAY CAUSE CONJUNCTIVITIS.LONG TERM
COBALT AFFECTS THE RESPIRATORY SYSTEM,SKIN,BLADDER,KIDNEYS AND
EYES.
Explanation of Carcinogenicity:BETA AND GAMMA RAYS ARE CANCER CAUSING
AGENTS.
Effects of Overexposure:RADIATION-INHAL/INGEST/SKIN:NAUSEA,VOMITING
DIARRHEA FOR HIGH ACUTE DOSES.COBALT METAL-INHAL:ALLERGIC
ASTHMA,WHEEZING.INGEST:MAY PRODUCE A HOT SENSATION WITH
VOMITING,DIARRHEA,NAUSEA.
Medical Cond Aggravated by Exposure:HEALING OF DAMAGED TISSUE MAY BE
PROLONGED.PERSONS WITH DISORDERS OF THE UPPER RESPIRATORY TRACT AND
SKIN MAY BE AT INCREASED RISK FROM EXPOSURE TO COBALT METAL.

First Aid:DECONTAMINATE INDIVIDUAL.IF NAUSEA AND VOMITING OCCUR IN THE
FIRST 24 HOURS,TRANSPORT THE INDIVIDUAL TO THE HOSPITAL.EYES:FLUSH
WITH WATER.SKIN:WASH WITH SOAP AND WATER.INHAL:REMOVE FROM
EXPOSURE.REST ORE BREATHING IF NEEDED.INGEST:IF CONSCIOUS,GIVE 1-2
GLASSES OF WATER AND INDUCE VOMITING.

Extinguishing Media:USE MEDIA APPROPRIATE FOR SURROUNDING FIRE.
Fire Fighting Procedures:WEAR CHEMICAL PROTECTIVE SUIT WITH SELF
CONTAINED BREATHING APPARATUS.
Unusual Fire/Explosion Hazard:NONE SPECIFIED BY MANUFACTURER.

Spill Release Procedures:USE GLOVES AND FORCEPS.PLACE IN AN APPROPRIATE
SEALED AND MARKED CONTAINER FOR DISPOSAL.
Neutralizing Agent:NONE

Handling and Storage Precautions:SHIELD ACCORDING TO EMITTED RADIATION.
PROTECT FROM FILM/FILM PLATES. KEEP CONTAINERS CLOSED. STORE IN
AREA FOR RADIOACTIVE MATERIALS.
Other Precautions:NONE

Respiratory Protection:SCBA IF INVOLVED IN FIRE, OTHERWISE GAS MASK.
Ventilation:NOT NEEDED IN NORMAL SERVICE.
Protective Gloves:IMPERVIOUS
Eye Protection:SAFETY GLASSES
Other Protective Equipment:EYE WASH STATION. APRONS. SPECIAL IMPERVIOUS
CLOTHING.
Work Hygienic Practices:USE REASONABLE CARE IN THE HANDLING OF THIS
ITEM.
Supplemental Safety and Health
NONE

HCC:A2
Boiling Pt:B.P. Text:5252F,2900C
Melt/Freeze Pt:M.P/F.P Text:2723F,1495C
Vapor Pres:<10E-9
Spec Gravity:8.9
Solubility in Water:NEGLIGIBLE
Appearance and Odor:SEALED TUBE.

Stability Indicator/Materials to Avoid:YES
ISOLATE,SEGREGATE FROM MOST OTHER TYPE MATERIALS.
Stability Condition to Avoid:NONE SPECIFIED BY MANUFACTURER.
Hazardous Decomposition Products:MAY RELEASE PARTICLES WHICH GIVE OFF
IONIZING RADIATION.

Waste Disposal Methods:CONTROLLED DISPOSAL REQUIRED IN ACCORDANCE WITH
DOD REGULATIONS AND FEDERAL,STATE & LOCAL REGULATIONS.

Disclaimer (provided with this information by the compiling agencies):
This information is formulated for use by elements of the Department
of Defense. The United States of America in no manner whatsoever,
expressly or implied, warrants this information to be accurate and
disclaims all liability for its use. Any person utilizing this
document should seek competent professional advice to verify and
assume responsibility for the suitability of this information to their
particular situation.