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

MSDS NAME:96329 CALIBRATING GAS, 2% METHANE IN AIR
NIIN:00-401-8499
MSDS Number: CHKXC
=== Responsible Party ===
Company:MINE SAFETY APPLIANCES CO
Address:121 GAMMA DR
Box:426
City:PITTSBURGH
State:PA
ZIP:15230
Country:US
Info Phone Num:800-672-2222
Emergency Phone Num:412-967-3000
Preparer's Name:NONE
CAGE:0B274
=== Contractor Identification ===
Company:MINE SAFETY APPLIANCE  (REPLACED BY CAGE 55799)
Address:201 N BRADDOCK AVENUE
Box:426
City:PITTSBURGH
State:PA
ZIP:15230
Country:US
Phone:412-967-3000
Contract Num:SPO-400-98-AB626-0638
CAGE:40912
Company:MINE SAFETY APPLIANCES CO
Address:121 GAMMA DRIVE
Box:426
City:PITTSBURGH
State:PA
ZIP:15230
Country:US
Phone:412-967-3000
CAGE:0B274
Company:SUMMIT ASSOCIATES
Address:10910-H SOUTHLAKE COURT
Box:City:RICHMOND
State:VA
ZIP:23236-3914
Country:US
Phone:804-794-1434
CAGE:9X866

=============  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; 9495

Name:AIR, COMPRESSED
CAS:25635-88-5
Fraction by Wt: 98.0%
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:METHANE IS A SIMPLE ASPHYXIANT, ACGIH
    1992- 93.
Explanation of Carcinogenicity:NONE
Effects of Overexposure:NONE KNOWN FOR 2% METHANE IN AIR.
Medical Cond Aggravated by Exposure:NO INFORMATION.

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

First Aid:NONE.

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

Flash Point:NON-FLAMMABLE
Extinguishing Media:THIS CALIBRATION GAS MIXTURE IS NOT FLAMMABLE. USE
    MEDIA APPROPRIATE FOR SURROUNDING FIRE.
Fire Fighting Procedures:COOL FIRE EXPOSED CYLINDERS.
Unusual Fire/Explosion Hazard:GAS UNDER PRESSURE, 115 PSIG AT 70F. DO
    NOT EXCEED 120F.

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

Spill Release Procedures:VENTILATE AREA.
Neutralizing Agent:NONE

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

Handling and Storage Precautions:STORE IN A COOL, DRY, WELL-VENTILATED
    AREA. DO NOT EXCEED TEMPERATURE OF 120F.
Other Precautions:DO NOT BREATH GAS.

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

Respiratory Protection:DUE TO THE LIMITED AMOUNT OF GAS IN THE
    CYLINDER, AND THE LOW RELEASE RATE EMPLOYED IN INSTRUMENT
    CALIBRATION, RESPIRATORY PROTECTION IS NOT INDICATED UNDER
    CONDITIONS OF INTENDED USE.
Ventilation:MECHANICAL VENTILATION IS SUITABLE.
Protective Gloves:NOT REQUIRED.
Eye Protection:NOT REQUIRED.
Other Protective Equipment:NONE SPECIFIED BY MANUFACTURER.
Work Hygienic Practices:AVOID BREATHING GAS. USE IN WILL-VENTILATED
    AREAS. FOLLOW PROCEDURE IN MSA MANUAL FOR THE INSTRUMENT UNDER
    CALIBRATION.
Supplemental Safety and Health

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

HCC:V2
Vapor Density:<1
Solubility in Water:MODERATE
Appearance and Odor:COLORLESS GAS. ODORLESS.

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

Stability Indicator/Materials to Avoid:YES
NONE.
Stability Condition to Avoid:DO NOT EXPOSE CYLINDERS TO TEMPERATURES
    ABOVE 120F.
Hazardous Decomposition Products:NONE SPECIFIED BY MANUFACTURER.
Conditions to Avoid Polymerization:WILL NOT OCCUR.

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

Waste Disposal Methods:DO NOT PUNCTURE OR INCINERATE CYLINDER. BEFORE
    DISCARDING CYLINDER, SLOWLY RELEASE CONTENTS TO A SAFE EXHAUST.

 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 ***