=====================  Product Identification  =====================

MSDS NAME:CALIBERATING GAS MIXTURE, 2% METHANE IN AIR
NIIN:01-370-8166
Status Code:A
MSDS Number: CJKYF
=== Responsible Party ===
Company:MG INDUSTRIES
Address:3 GREAT VALLEY PARKWAY
City:MALVERN
State:PA
ZIP:19355
Country:US
Info Phone Num:215-695-7596
Emergency Phone Num:412-963-2000/800-424-9300(CHEMTREC)
CAGE:8K810
=== Contractor Identification ===
Company:M G/MESSER GRIESHEIM INDUSTRIES
Address:1399 NEW FORD MILL RD
Box:XXX
City:MORRISVILLE
State:PA
ZIP:19067
Country:US
Phone:215-736-8005
CAGE:0J8W7
Company:MG INDUSTRIES
Address:8025 DORSEY RUN RD
Box:City:JESSUP
State:MD
ZIP:20794-9326
Country:US
Phone:301-796-8845
Contract Num:SP0450-99-M-JA56
CAGE:8K810

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

Name:METHANE
CAS:74-82-8
RTECS #:PA1490000
Fraction by Wt: 2.0% %
Other REC Limits:NONE RECOMMENDED
ACGIH TLV:ASPHYXIANT; 9596

Name:AIR
RTECS #:AX5275000
Fraction by Wt: 98%
Other REC Limits:NONE RECOMMENDED

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

LD50 LC50 Mixture:NONE SPECIFIED BY MANUFACTURER.
Routes of Entry: Inhalation:YES  Skin:NO  Ingestion:NO
Reports of Carcinogenicity:NTP:NO    IARC:NO	OSHA:NO
Health Hazards Acute and Chronic:ACUTE: METHANE IS NON-TOXIC AND IS A
    SIMPLE ASPHYXIANT. THE CONCENTRATION OF METHANE IN THIS GAS IS TOO
    LOW TO DEPRESS OXYGEN CONCENTRATION. CHRONIC: NONE KNOWN OR
    EXPECTED.
Explanation of Carcinogenicity:NONE OF THE COMPONENTS IS LISTED AS A
    CARCINOGEN OR SUSPECTED CARCINOGEN BY IRAC, NTP OR OSHA.
Effects of Overexposure:NONE.
Medical Cond Aggravated by Exposure:NONE KNOWN OR EXPECTED.

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

First Aid:EYE CONTACT-NONE NEEDED. SKIN CONTACT-NONE NEEDED.
    INHALATION-NONE NEEDED. INGESTION-NONE NEEDED.

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

Flash Point Method:CC
Flash Point:-306F,-188C(MET)
Autoignition Temp:Autoignition Temp Text:580C
Lower Limits:5%
Upper Limits:15%
Extinguishing Media:THIS GAS IS NOT FLAMMABLE. COOL EXPOSED CONTAINERS
    W/ WATER.
Fire Fighting Procedures:FIREFIGHTERS SHOULD WEAR NIOSH APPROVED
    POSITIVE PRESSURE SCBA & FULL PROTECTIVE CLOTHING. USE SHIELDING TO
    PROTECT FROM CYLINDER EXPLOSION.
Unusual Fire/Explosion Hazard:THIS MIXTURE IS BELOW THE LEL OF METHANE
    & NON-FLAMMABLE. COMPRESSED AIR/METHANE MIXTURES AT HIGH PRESSURE
    WILL ACCELERATE BURNING OF OTHER MATERIAL.

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

Spill Release Procedures:NONE NEEDED. THIS MATERIAL IS NON TOXIC AND
    NON FLAMMABLE.
Neutralizing Agent:NONE.

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

Handling and Storage Precautions:DON'T STORE CYLINDERS NEAR HEAT/OPEN
    FLAME. EXPOSURE TO TEMPERATURES ABOVE 130F MAY CAUSE RUPTURE,
    SECURE CYLINDERS- DON'T DROP.
Other Precautions:WHEN REMOVABLE CAP IS PROVIDED, STORE AND HANDLE WITH
    CAP IN PLACE. CONTENTS UNDER HIGH PRESSURE. KEEP CYLINDERS AWAY
    FROM HEAT & FLAMES. FOR ADDITIONAL HANDLING RECOMMENDATIONS ON
    COMPRESSED GAS CYLI NDERS, CONSULT PAMPHLET P-1.

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

Respiratory Protection:NONE NORMALLY REQUIRED.
Ventilation:NO SPECIAL VENTILATION REQUIRED.
Protective Gloves:LEATHER GLOVES RECOMMENDED FOR HANDLING.
Eye Protection:SAFETY GLASSES RECOMMENDED.
Other Protective Equipment:NONE NORMALLY REQUIRED.
Work Hygienic Practices:USE NORMAL PERSONAL HYGIENE.
Supplemental Safety and Health
THE DATA FOR BOILING POINT, MELTING POINT AND FLASH POINT IS FOR
    METHANE. CLOSE CYLINDER VALVES WHEN CYLINDER IS NOT IN USE AND WHEN
    EMPTY.

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

HCC:G3
Boiling Pt:B.P. Text:-260F,-162C
Melt/Freeze Pt:M.P/F.P Text:-296F,-182C
Vapor Pres:N/R (GAS)
Vapor Density:0.993
Spec Gravity:0.673 KG/M3
Evaporation Rate & Reference:NONE SPECIFIED BY MFR.
Solubility in Water:NEGLIGIBLE
Appearance and Odor:COLORLESS, ODORLESS, TASTELESS COMPRESSED GAS IN
    CYLINDERS.
Percent Volatiles by Volume:100

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

Stability Indicator/Materials to Avoid:YES
NONE KNOWN.
Stability Condition to Avoid:AVOID HEAT OR FLAMES.
Hazardous Decomposition Products:NONE KNOWN.
Conditions to Avoid Polymerization:WILL NOT OCCUR.

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

Waste Disposal Methods:DISPOSE OF IN ACCORDANCE W/LOCAL, STATE, &
    FEDERAL REGULATIONS. DO NOT INCINERATE CYLINDER.

=======================  Other Information  =======================

 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.

*** END OF RECORD ***