*  Exposure Controls/Personal Protection  *
Respiratory Protection:USE NIOSH APPROVED SCBA OR POSITIVE PRESSURE AIR
    LINE WITH MASK IN OXYGEN-DEFICIENT ATMOSPHERES. RESPIRATORS WILL
    NOT FUNCTION.
Ventilation:PROVIDE EXPLO-PROOF SYS ADEQ TO ENSURE HYDROGEN DOES NOT
    REACH ITS LEL OF 4.1% LOCAL EXHST: YES. MECH: EXPLO-PROOF.
Other Protective Equipment:EMERGENCY EYEWASH AND DELUGE SHOWER MEETING
    ANSI DESIGN CRITERIA . SAFETY SHOES WHEN HANDLING CYLINDERS. (ING
Work Hygienic Practices:NONE SPECIFIED BY MANUFACTURER.
Supplemental Safety and Health
*  Product Identification  *
CAGE:AIRLI
CAGE:AIRLI
*  Composition/Information on Ingredients  *
Ingred Name:HYDROGEN
OSHA PEL:N/K 
ACGIH TLV:N/K 
Ingred Name:EXPLO HAZ: RE-IGNIT EXISTS. PRESS CAN BUILD UP DUE TO HEAT
    & CYL MAY EXPLODE IF PRESS RELIEF DEVICES SHOULD FAIL (ING 3)
Ingred Name:ING 2: TO RELIEF PRESSURE. HYDROGEN WILL ACT AS A SIMPLE
    ASPHYXIANT IF IT DISPLACES OXYGEN.
Ingred Name:MATLS TO AVOID. SUCH AS HARDENED STEELS, TO CAUSE
    EMBRITTLEMENT.
Ingred Name:OTHER PREC: POST "NO SMKNG/OPEN FLAMES" SIGNS IN STOR & USE
    AREAS. THERE SHOULD BE NO SOURCES OF IGNIT. ALL ELEC (ING 6)
Ingred Name:ING 5: EQUIP SHOULD BE EXPLO-PROOF IN STOR & USE AREAS.
    STOR AREAS MUST MEET NATL ELEC CODES FOR CLASS 1 HAZ (ING 7)
Ingred Name:ING 6: AREAS. DO NOT ALLOW TEMP WHERE CYLS ARE STORED TO
Ingred Name:ING 7: BEFORE CONNECTING IT, SINCE SELF-IGNIT MAY OCCUR.
    HYDROGEN IS THE LIGHTEST GAS KNOWN & MAY COLLECT IN TOP (ING 9)
Ingred Name:ING 8: OF BLDGS W/OUT PROPER VENT. HYDROGEN DIFFUSES
Ingred Name:ING 9: LEAK OUT OF A SYS WHICH IS GAS TIGHT FOR AIR/OTHER
Ingred Name:OTHER PROT EQUIP: EXPLOSION-PROOF LIGHTING AND WIRING IN
    AREAS WHERE HYDROGEN IS STORED OR USED.
*  Hazards Identification  *
Routes of Entry: Inhalation:YES  Skin:NO  Ingestion:NO
Reports of Carcinogenicity:NTP:NO    IARC:NOOSHA:NO
Health Hazards Acute and Chronic:ACUTE: HYDROGEN IS NON-TOX, BUT MAY
    CAUSE SUFFOCATION BY DISPLACING OXYGEN IN AIR. EXPOS TO
    OXYGEN-DEFICIENT ATMS MAY CAUSE DIZZ, NAUS, VOMIT, DIMINISHED
    MENTAL ALERTNESS, LOSS OF CONSCIOUSNESS & DEAT H. IT SHOULD BE
    NOTED THAT BEFORE SUFFOCATION COULD OCCUR, LOWER FLAM LIMIT OF
    HYDROGEN IN AIR WOULD (EFTS OF OVEREXP)
Explanation of Carcinogenicity:NOT RELEVANT.
Effects of Overexposure:HLTH HAZ: EXCEEDED, POSS CAUSING BOTH AN
    OXYGEN-DEFICIENT & AN EXPLO ATM. IT SHOULD ALSO BE RECOGNIZED THAT
    COLLASPE & ASPHY MAY OCCUR W/OUT EXPERIENCING ANY OF THE ABOVE
    SYMPS. TOX PROPERTIES: HYDROG EN IN NON-TOX BUT IT IS AN ASPHY IF
    IT DISPLACES OXYGEN IN AIR.
Medical Cond Aggravated by Exposure:NONE SPECIFIED BY MANUFACTURER.
*  First Aid Measures  *
First Aid:INHAL: PERSONS SUFFERING FROM LACK OF OXYGEN SHOULD BE MOVED
    INTO FRESH AIR. IF VICTIM IS NOT BRTHG, ADMIN ARTIFICIAL RESP. IF
    BRTHG IS DIFFICULT, ADMIN OXYGEN. OBTAIN PROMPT MED ATTN. NIOSH
    APPRVD SC BA MAY BE REQUIRED FOR RESCUE WORKERS. EYES: FLUSH
    AMTS OF WATER. SEE MD . INGEST: CALL MD IMMED .
*  Fire Fighting Measures  *
Lower Limits:4.1%
Extinguishing Media:WATER, DRY CHEMICAL, CARBON DIOXIDE.
Fire Fighting Procedures:WEAR NIOSH APPRVD SCBA & FULL PROT EQUIP .
    EVACUATE UNNEC PERS. SHUT OFF SOURCE OF HYDROGEN IF POSS. COOL
    SURROUNDING CONTNRS W/WATER SPRAY. (SUP DAT).
Unusual Fire/Explosion Hazard:HYDROGEN BURNS W/PALE BLUE ALMOST
    INISIBLE FLAME. HYDROGEN IS LIGHTER THAN AIR & CAN ACCUM IN TOP OF
    ENCLSD SPACES. THEREFORE, POTENTIAL EXPLO HAZ FROM (ING 2)
*  Accidental Release Measures  *
Spill Release Procedures:EVACUATE ALL UNNEC PERS FROIM AFFECTED AREA.
    ELIM ANY POSS SOURCES OF IGNIT & VENT AREA. IF POSS MOVE CYLS TO
    ISOLATED OUTDOOR AREA. SHUT OFF SOURCE OF HYDROGEN, IF POSS. IF
    LEAKING FROM CONTR/VALVE,  CONT CLOSEST MFR LOCATION/YOUR SUPPLIER.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.
*Handling and Storage  *
Handling and Storage Precautions:STORE AND USE WITH ADEQUATE
    OXIDIZER.
Other Precautions:CYLINDERS SHOULD BE STORED UPRIGHT W/VALVE PROT CAP
    IN PLACE & FIRMLY SECURED TO PVNT FALLING/BEING KNOCKED OVER.
    PROTECT CYLS FROM PHYSICAL DMG; DO NOT DRAG, ROLL, SLIDE/DROP. USE
    SUITABLE HAND TRUCK  FOR CYL MOVEMENT. (ING 5)
    FIRE SHOULD NOT BE EXTING UNTIL SUPPLY OF HYDROGEN HAS BEEN SHUT
    OFF & SURROUND AREA COOLED, BECAUSE OF DANGER OF RE-IGNIT & EXPL O.
    VENT AREA & REMOVE ANY POSS SOURCE OF IGNIT. DO NOT ENTER AREAS
    CONTAINING FLAM MIXS, DUE TO IMMED FIRE & EXPLO HAZ.
*  Physical/Chemical Properties  *
Evaporation Rate & Reference:N/A (GAS)
Solubility in Water:SUP DAT
Appearance and Odor:COLORLESS, ORDORLESS. TASTELESS GAS
*  Stability and Reactivity Data  *
Stability Indicator/Materials to Avoid:YES
HYDROGEN WILL REACT VIGOROUSLY OR EXPLOSIVELY WITH AND OXIDIZING
    AGENTS. HYDROGEN CAN INTERACT WITH SOME METALS, (ING 4)
Stability Condition to Avoid:NONE.
Hazardous Decomposition Products:NONE.
*  Disposal Considerations  *
Waste Disposal Methods:DO NOT ATTEMPT TO DISPOSE OF RESIDUAL OR UNUSED
    QUANTITIES. RETURN TO YOUR SUPPLIER FOR DISPOSAL. DISPOSE OF IN
    ACCORDANCE WITH LOCAL, STATE AND FEDERAL REGULATIONS .
