Material Safety Data Sheet


SECTION I - Material Identity
SECTION II - Manufacturer's Information
SECTION III - Physical/Chemical Characteristics
SECTION IV - Fire and Explosion Hazard Data
SECTION V - Reactivity Data
SECTION VI - Health Hazard Data
SECTION VII - Precautions for Safe Handling and Use
SECTION VIII - Control Measures
SECTION IX - Label Data
SECTION X - Transportation Data
SECTION XI - Site Specific/Reporting Information
SECTION XII - Ingredients/Identity Information



SECTION I - Material Identity
Item Name                               
Part Number/Trade Name                   CALIBRATION GAS, HYDROGEN 1.6% IN AIR
National Stock Number                    6830013601866
CAGE Code                                05083
Part Number Indicator                    A
MSDS Number                              147449
HAZ Code                                 A


SECTION II - Manufacturer's Information
Manufacturer Name                        BACHARACH INC
Street                                   625 ALPHA DR
City                                     PITTSBURG
State                                    PA
Country                                  US
Zip Code                                 15238
Emergency Phone                          412-963-2223/800-424-9300
Information Phone                        412-963-2223

MSDS Preparer's Information
Date MSDS Prepared/Revised               20MAR92
Date of Technical Review                 13OCT93
Active Indicator                         N
Item Manager                             CX

Alternate Vendors
Vendor #5 CAGE                           BRRLY


SECTION III - Physical/Chemical Characteristics
Hazard Storage Compatibility Code        G3
NRC License Number                       N/R
Net Propellant Weight (Ammo)             N/R
Appearance/Odor                          COLORLESS, ODORLESS COMPRESSED GAS IN CYLINDER
Boiling Point                            -422F,-252C
Melting Point                            -434F,-259C
Vapor Pressure                           GAS
Vapor Density                            1
Specific Gravity                         0.0696
Decomposition Temperature                UNKNOWN
Evaporation Rate                         GAS
Solubility in Water                      MODERATE (FOR H2)
Percent Volatiles by Volume              100%
Chemical pH                              N/K
Corrosion Rate                           UNKNOWN
Container Type                           F
Container Pressure Code                  4
Temperature Code                         8
Product State Code                       U


SECTION IV - Fire and Explosion Hazard Data
Flash Point Method                       UNK
Lower Explosion Limit                    4% (H2)
Upper Explosion Limit                    74.2% (H2)
Extinguishing Media                      USE WATER FOG, CARBON DIOXIDE, FOAM, OR DRY CHEMICAL 
Special Fire Fighting Procedures         WEAR FIRE FIGHTING PROTECTIVE EQUIPMENT AND A FULL FACED SELF CONTAINED BREATHING APPARATUS. COOL FIRE EXPOSED CONTAINERS WITH WATER SPRAY 
Unusual Fire/Explosion Hazards           THIS MIXTURE IS BELOW THE LEL OF HYDROGEN AND IS NONFLAMMABLE. GAS CYLINDERS EXPOSED TO HEAT OR FLAME MAY VENT RAPIDLY OR EXPLODE 


SECTION V - Reactivity Data
Stability                                YES
Stability Conditions to Avoid            HIGH HEAT, OPEN FLAMES AND OTHER SOURCES OF IGNITION
Materials to Avoid                       STRONG OXIDIZING AGENTS
Hazardous Decomposition Products         NONE
Hazardous Polymerization                 NO
Polymerization Conditions to Avoid       NOT APPLICABLE
LD50 - LD50 Mixture                      LD50 (ORAL RAT) IS NOT APPLICABLE 


SECTION VI - Health Hazard Data
Route of Entry: Skin                     N/R
Route of Entry: Ingestion                N/R
Route of Entry: Inhalation               N/R
Health Hazards - Acute and Chronic       ACUTE: NONE AT ATMOSPHERIC PRESSURES. CHRONIC: NONE 
Carcinogenity: NTP                       NO
Carcinogenity: IARC                      NO
Carcinogenity: OSHA                      NO
Explanation of Carcinogenity             NONE OF THE COMPOUNDS IN THIS PRODUCT IS LISTED BY IARC, NTP, OR OSHA AS A CARCINOGEN 
Symptoms of Overexposure                 NONE
Medical Cond. Aggrevated by Exposure     NONE
Emergency/First Aid Procedures           NOT APPLICABLE 


SECTION VII - Precautions for Safe Handling and Use
Steps if Material Released/Spilled       NONE NEEDED. THIS MATERIAL IS NON-TOXIC AND NONFLAMMABLE 
Neutralizing Agent                       NOT APPLICABLE 
Waste Disposal Method                    MOVE LEAKY CYLINDER TO OUTDOORS OR VENTILATED HOOD. ALLOW GAS TO DISCHARGE AT MODERATE RATE. REMOVE ALL FLAMMABLE MATERIALS FROM VICINITY. DISPOSAL SHOULD BE MADE IN ACCORDANCE WITH ALL APPLICABLE FEDERAL, STATE AND LOCAL LAWS AND REGULATIONS 
Handling and Storage Precautions         TECT CYLINDERS FROM PHYSICAL DAMAGE. STORE AWAY FROM EXTREME HEAT. KEEP CYLINDER VALVES CLOSED WHEN NOT IN USE AND WHEN EMPTY. DO
Other Precautions                        DO NOT DEFACE CYLINDERS OR LABELS. HANDLE CYLINDERS WITH PROPER CAUTION 


SECTION VIII - Control Measures
Respiratory Protection                   NOT APPLICABLE
Ventilation                              NOT APPLICABLE
Protective Gloves                        WORK GLOVES FOR HANDLING CYLINDERS 
Eye Protection                           APPROVED SAFETY GLASSES OR FACE SHIELD 
Other Protective Equipment               SAFETY SHOES AND HEARING PROTECTION 
Work Hygenic Practices                   OBSERVE GOOD PERSONAL HYGIENE PRACTICES AND RECOMMENDED PROCEDURES. USE PROPER CARE WHEN HANDLING AND STORING CYLINDERS 
Supplemental Health/Safety Data          CONTENTS UNDER PRESSURE. DO NOT PUNCTURE. NEVER THROW CONTAINER INTO FIRE OR INCINERATOR. KEEP CYLINDERS SECURED. DO NOT DROP OR DAMAGE 
Disposal Code                            O


SECTION IX - Label Data
Protect Eye                              YES
Protect Skin                             NO
Protect Respiratory                      NO
Chronic Indicator                        UNKNOWN
Contact Code                             SLIGHT
Fire Code                                UNKNOWN
Health Code                              UNKNOWN
React Code                               UNKNOWN


SECTION X - Transportation Data
Container Quantity                       1.3
Unit of Measure                          CF


SECTION XI - Site Specific/Reporting Information
Volatile Organic Compounds (P/G)         0
Volatile Organic Compounds (G/L)         0


SECTION XII - Ingredients/Identity Information
Ingredient #                             01
Ingredient Name                          AIR, COMPRESSED
CAS Number                               25635885
NIOSH Number                             1004033AC
Proprietary                              NO
Percent                                  98.4%
OSHA PEL                                 NOT ESTABLISHED
ACGIH TLV                                NOT ESTABLISHED
Recommended Limit                        NONE RECOMMENDED
Ingredient #                             02
Ingredient Name                          HYDROGEN
CAS Number                               1333740
NIOSH Number                             MW8900000
Proprietary                              NO
Percent                                  1.6%
OSHA PEL                                 NOT ESTABLISHED
ACGIH TLV                                NOT ESTABLISHED
Recommended Limit                        NONE RECOMMENDED