BIG THREE INDUSTRIES, INC -- NITROGEN REFRIGERATED LIQUID  -- 6830-00D010005
<pre>=====================  Product Identification  =====================

Product ID:NITROGEN REFRIGERATED LIQUID
MSDS Date:08/24/1989
FSC:6830
NIIN:00D010005
=== Responsible Party ===
Company Name:BIG THREE INDUSTRIES, INC
Address:3535 W 12TH ST
Box:3047
City:HOUSTON
State:TX
ZIP:77253
Country:US
Info Phone Num:713-868-0333 / FAX 713-888-0210
Emergency Phone Num:713-868-0202
CAGE:17688
=== Contractor Identification ===
Company Name:AIR LIQUIDE AMERICA CORPORATION
Address:2700 POST OAK DRIVE
Box:City:HOUSTON
State:TX
ZIP:77056-8229
Country:US
Phone:713-896-2896;800-231-1366
CAGE:17688

=============  Composition/Information on Ingredients  =============

Ingred Name:NITROGEN
CAS:7727-37-9
RTECS #:QW9700000
Fraction by Wt: 100%
Other REC Limits:NONE RECOMMENDED
ACGIH TLV:ASPHYXIANT; 9394

=====================  Hazards Identification  =====================

Routes of Entry: Inhalation:YES  Skin:YES  Ingestion:NO
Reports of Carcinogenicity:NTP:NO    IARC:NO	OSHA:NO
Health Hazards Acute and Chronic:ACUTE: NITROGEN IS NON-TOXIC, BUT MAY
    CAUSE ASPHYXIATION/SUFFOCATION BY DISPLACING OXYGEN FROM THE AIR.
    CONTACT WITH LIQUID MAY CAUSE FROSTBITE. CHRONIC: NONE SPECIFIED BY
    MANUFACTURER.
Explanation of Carcinogenicity:NITROGEN IS NOT LISTED AS A CARCINOGEN
    BY NTP, IARC OR OSHA.
Effects of Overexposure:INHALATION: DIZZINESS, NAUSEA, VOMITING,
    DIMINISHED MENTAL ALERTNESS, LOSS OF CONSCIOUSNESS, DEATH.
    FROSTBITE: PAINLESS, WAXY-YELLOW SKIN; SKIN BECOMES SWOLLEN,
    PAINFUL, AND PRONE TO INFECTION WHEN TH AWED.
Medical Cond Aggravated by Exposure:NONE SPECIFIED BY MANUFACTURER.

=======================  First Aid Measures  =======================

First Aid:SELF-CONTAINED BREATHING APPARATUS MAY BE REQUIRED FOR RESCUE
    WORKERS. INHALATION: REMOVE TO FRESH AIR. RESUSCITATE IF NEEDED.
    GET PROMPT MEDICAL ATTENTION. FROSTBITE: DO NOT RUB TISSUE. FLUSH
    AFFECTE D AREA WITH WARM WATER. DO NOT USE HOT WATER! GET
    IMMEDDIATE MEDICAL ATTENTION.

=====================  Fire Fighting Measures  =====================

Flash Point:NONE
Extinguishing Media:NITROGEN IS NON-FLAMMANLE; USE MEDIA FOR
    SURROUNDING FIRE.
Fire Fighting Procedures:WEAR SELF-CONTAINED BREATHING APPARATUS AND
    FULL PROTECTIVE GEAR. EVACUATE ALL PERSONS WITHOUT SCBA.
Unusual Fire/Explosion Hazard:CONTACT WITH "COLD" LIQUID OR GASEOUS
    NITROGEN MAY CAUSE FROSTBITE. VISIBILITY MAY BE OBSCURED IN THIS
    "VAPOR CLOUD".

==================  Accidental Release Measures  ==================

Spill Release Procedures:EVACUATE ALL UNECESSARY PERSONNEL. WEAR PROPER
    PROTECTIVE CLOTHING INCLUDING SELF-CONTAINED BREATHING APPARATUS.
    SHUT OF SOURCE IF POSSIBLE. CALL MANUFACTURER FOR ASSISTANCE.
Neutralizing Agent:NONE

======================	Handling and Storage  ======================

Handling and Storage Precautions:STORE IN A COOL, DRY, WELL-VENTILATED
    AREA. PROTECT FROM PHYSICAL DAMAGE. CONTAINERS SHOULD BE STORED
    UPRIGHT AND FIRMLY SECURED.
Other Precautions:DO NOT DRAG, ROLL, SLIDE OR DROP CONTAINERS.

=============  Exposure Controls/Personal Protection  =============

Respiratory Protection:USE SELF-CONTAINED BREATHING APPARATUS OR
    POSITIVE PRESSURE AIRLINE WITH MASK IN OXYGEN DEFICIENT
    ATMOSPHERES. RESPIRATORS WILL NOT FUNCTION.
Ventilation:USE ADEQUATE MECHANICAL VENTILATION.
Protective Gloves:LEATHER
Eye Protection:SAFETY GLASSES/CHEMICAL SPLASH GOGGLES
Other Protective Equipment:NONE
Work Hygienic Practices:WASH HANDS AFTER USE AND BEFORE EATING,
    DRINKING, OR SMOKING.
Supplemental Safety and Health
LIQUID NITROGEN EXPANDS AT A RATIO OF 696.5 TO 1 AND IF TRAPPED IN A
    CONTAINER OR PIPE, IT WILL PRODUCE ENORMOUS PRESSURES WHICH WILL
    RUPTURE THE CONTAINER. THESE AREAS MUST BE PROTECTED WITH PRESSURE 
    RELIEF VALVES.

==================  Physical/Chemical Properties  ==================

HCC:G3
Boiling Pt:B.P. Text:-320F,-196C
Melt/Freeze Pt:M.P/F.P Text:-346F,-210C
Vapor Density:0.97
Spec Gravity:0.8
Solubility in Water:NEGLIGIBLE
Appearance and Odor:COLORLESS, ODORLESS GAS OR LIQUID
Percent Volatiles by Volume:100

=================  Stability and Reactivity Data  =================

Stability Indicator/Materials to Avoid:YES
NONE
Stability Condition to Avoid:NONE
Hazardous Decomposition Products:NONE

====================  Disposal Considerations  ====================

Waste Disposal Methods:CONTACT LOCAL ENVIRONMENTAL MANAGER. DISPOSE OF
    IN ACCORDANCE WITH LOCAL, STATE AND FEDERAL REGULATIONS. FOR
    EMERGENCY DISPOSAL, ALLOW NITROGEN TO EVAPORATE INTO ATMOSPHERE IN
    WELL-VENTILATED OUTDOOR  AREA.

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 disclaims all liability for its use.  Any person utilizing this
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