*  Exposure Controls/Personal Protection  *
    USE APPRVD DUST & MIST RESP. 0.5 MG(CO)/M3 - DUST MASK, EXCEPT
    SINGLE-USE RESP. 1 MG(CO)/M3 - DUST MASK, EXCEPT SINGLE-USE &
    QUARTER-MASK RESP. FUME OF H IGH-EFFICIENCY PARTICULATE RESP.(ING
Ventilation:PROVIDE LOCAL EXHAUST VENTILATION OR GENERAL DILUTION
    VENTILATION TO MAINTAIN EXPOSURE LEVELS BELOW TLV-TWA.
Other Protective Equipment:ANSI APPRVD EYE WASH FOUNTAIN & DELUGE
    SHOWER . EMPLOYEE MUST WEAR APPROP PROT PROT CLTHG, EQUIP/BARRIER
    CREAMS.
Work Hygienic Practices:WASH HANDS THORO AFTER HNDLG, BEFORE
    EATING/SMOKING. SOILED CLTHG SHOULD BE LAUNDERED SEPARATELY.
Supplemental Safety and Health
*  Product Identification  *
*  Composition/Information on Ingredients  *
    CONTACT NEHC .
Ingred Name:SUPP DATA:PRODUCT, EXCEPT AS POWDER OR DUST, IS NOT A FIRE
    HAZARD.
Ingred Name:TANTALUM CARBIDE
OSHA PEL:5 MG/M3 (TA)
ACGIH TLV:5 MG/M3 (TA)
Ingred Name:TITANIUM CARBIDE
OSHA PEL:N/K 
ACGIH TLV:N/K 
Ingred Name:NIOBIUM CARBIDE
Fraction by Wt: 0.1-5%
OSHA PEL:5 MG/M3 (MFR)
ACGIH TLV:5 MG/M3 (MFR)
Ingred Name:MATLS TO AVOID:NITROUS OXIDE:BURNS W/INCANDESCENCE IF
    HEATED TO DULL RED; IODINE PENTAFLUORIDE, LEAD OXIDE: (ING 7)
Ingred Name:ING 6:VIOLENT RXN. COBALT:INCOMPAT W/AMMONIUM NITRATE +
    METALS/BROMINE PENTAFLUORIDE:REACTS VIOLENTLY & SOMETIMES(ING 8)
Ingred Name:ING 7:EXPLO; HYDRAZINIUM NITRATE:DECOMPOSES EXPLO UPON
    RAPID HEATING; NITRYL FLUORIDE, ACETYLENE:REACTS INCANDESCENTLY.
Ingred Name:ING 9:AFTER WATER HAS BEEN SWALLOWED, INDUCE VOMIT. DO NOT
    ATTEMPT TO MAKE UNCON PERS DRINK/VOMIT. GET MD IMMED.
Ingred Name:RESP PROT:5 MG(CO)M3 - HIGH EFFICIENCY PARTICULATE RESP
    FACEPIECE OPERATED IN PRESS-DEMAND/OTHER POS-PRESSURE MODE.
Ingred Name:HYGIENE PRACT:SHOULD NOT BE WORN WHEN USING OR REPROCESSING
    THESE MATERIALS.
Ingred Name:EFTS OF OVEREXP:CAUSE SENSIT DERM IF PREVIOUSLY EXPOS. A
Ingred Name:TUNGSTEN CARBIDE
OSHA PEL:5 MG/M3 (W)
ACGIH TLV:5 MG/M3 (W)
OSHA PEL:0.1 MG/M3
*  Hazards Identification  *
Routes of Entry: Inhalation:YES  Skin:YES  Ingestion:YES
Reports of Carcinogenicity:NTP:NO    IARC:YES OSHA:NO
Health Hazards Acute and Chronic:HLTH EFTS LISTED FOR EXPOS TO
    METALLURGICAL PWDRS, DUST/MIST FROM GRINDING. NO HLTH EFTS HAVE
    BEEN REPORTED FOR EXPOS TO THIS MATL IN SOLID FORM. ACUTE:INHAL:MAY
    COUGH, SORENESSIN CHEST, WT LOSS, HEMOPTYSIS, BRONCH & ASTHMA. MAY
    ALSO CAUSE (EFTS OF OVEREXP)
Effects of Overexposure:HLTH HAZ:PULM FIBROSIS. RADIOLOGICAL CHANGES
    MAY BE NOTED IN LUNGS. MAY CAUSE SHORTNESS OF BREATH, DYSP ON
    EXERTION, WHEEZING, INTERSTITIAL PNEUM &/OR LUNG DENSITIES. MAY BE
    CONSIDERED A NUISANCE DUST& MAY RSLT IN DUST ACCUM IN LUNGS.
    MAYCAUSE RESP IRRIT. SKIN:MAY CAUSE IRRIT W/DERM, ECZEMA & ITCH.
Medical Cond Aggravated by Exposure:CERTAIN PULMONARY & SKIN CONDITIONS
    MAY BE AGGRAVATED BY EXPOSURE. PREEXISTING PULM & SKIN CONDITIONS
    SUCH AS EMPHYSEMA, ASTHMA, BRONCHITIS & DERMATITIS MAY BE
    AGGRAVATED BY EXPOSURE TO THIS MATERIAL.
*  First Aid Measures  *
First Aid:INHAL:REMOVE FROM EXPOS AREA TO FRESH AIR IMMED. IF BRTHG HAS
    STOPPED, PERFORM ARTF RESP. KEEP AFFECTED PERS WARM & AT REST. GET
    MD IMMED. SKIN:REMOVE CONTAM CLTHG & SHOES IMMED. WASH AFFECTED
    AREA W/ SOAP OR MILD DETERGENT & LG AMTS OF WATER UNTIL NO MATL
    AMTS OF WATER, OCCAS LIFTING UPPER & LOWER LIDS, UNTIL NO MATL
    REMAINS (ING 9)
*  Fire Fighting Measures  *
Extinguishing Media:FOR LOCALIZED POWDER FIRES, SMOTHER W/DRY SAND, DRY
    DOLOMITE, SODIUM CHLORIDE OR SODA ASH.
Fire Fighting Procedures:USE NIOSH APPRVD SCBA & FULL PROT EQUIP . MOVE
    CNTNR FROM FIRE AREA IF POSS. COOL CNTNRS EXPOS TO FLAME W/WATER
    FROM SIDE UNTIL WELL AFTER FIRE IS(SUPDAT)
Unusual Fire/Explosion Hazard:FINELY DIVIDED TUNGSTEN CARBIDE
    POWDER/DUST FROM GRINDING IS EXPECTED TO BE FIRE EXPLO HAZ WHEN
    EXPOS TO HIGH TEMPS/IGNIT SOURCES. PARTICLE SIZE & (SUPP DATA)
*  Accidental Release Measures  *
Spill Release Procedures:SWEEP UP W/MINIMUM OF DUST GENERATION & PLACE
    INTO SUITABLE CLEAN, DRY CNTNRS FOR RECLAMATION OR LATER DISPOSAL.
    RESIDUE SHOULD BE CLEANED UP USING A HIGH-EFFICIENCY PARTICULATE
    FILTER VACUUM OR WET C LEAN UP. USE APPROPRIATE NIOSH APPRVD RESP
    PROT.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.
*Handling and Storage  *
Handling and Storage Precautions:MIN FREE FALL OF PWDR & AVOID
    DISPERSION OF DUST IN AIR. FINELY DIVIDED PARTICLES, DUST/FUMES MAY
    BE FLAMM/EXPLO. KEEP AWAY FROM SPARKS/IGNIT SOURCES.
Other Precautions:CONTENTS SHOULD BE STORED IN CLEAN, DRY, COOL AREA.
    DO NOT SHAKE CLTHG, RAGS/OTHER ITEMS TO REMOVE DUST. DUST SHOULD BE
    REMOVED BY WASHING/VACUUMING. PERIODIC EXAMS ARE REC FOR
    INDIVIDUALS REGULARLY E XPOSED TO DUST/MIST.
    FIRE FIGHT PROC:OUT. FOR MASSIVE FIRE IN CARGO AREA, USE UNMANNED
    HOSE HOLDER/MONITOR NOZZ/WITHDRAW & LET FIRE BURN. AVOID BRTHG FUM
    ES FROM BURNING MATL. EXPLO HAZ:DISPERSION IN AIR DETERM
*  Physical/Chemical Properties  *
Spec Gravity:SUPP DATA
Solubility in Water:PRACTICALLY INSOL
Appearance and Odor:GRAY POWDER OR SOLID.
Percent Volatiles by Volume:NEGLIG
*  Stability and Reactivity Data  *
Stability Indicator/Materials to Avoid:YES
TUNGSTEN CARBIDE: INCOMPAT W/CHLORINE TRIFLUORIDE:REACTS W/FLAME;
    FLUORINE:INCANDESCES; NITROGEN DIOXIDE, (ING 6)
Stability Condition to Avoid:STABLE UNDER NORMAL TEMPERATURES &
    PRESSURES.
Hazardous Decomposition Products:THERMAL DECOMPOSITION MAY RELEASE
    ACRID SMOKE & IRRITATING FUMES.
*  Disposal Considerations  *
Waste Disposal Methods:THIS IS A VALUABLE MATERIAL THAT SHOULD BE SENT
    TO AN APPROPRIATE RECLAMATION FACILITY IF AVAILABLE. IF MATERIAL
    CANNOT BE SENT TO RECLAMATION FACILITY, DISPOSAL SHOULD BE MADE IN
    COMPLIANCE W/FEDERAL , STATE & LOCAL ENVIRONMENTAL REGULATIONS.
