HUDSON BAY NATURAL GAS -- NATURAL GAS - GAS, NATURAL, DRY 
MATERIAL SAFETY DATA SHEET
NSN: 6830013185797
Manufacturer's CAGE: 0RN77 
Part No. Indicator: A 
Part Number/Trade Name: NATURAL GAS 
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                            General Information
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Item Name: GAS, NATURAL, DRY 
Company's Name: HUDSON BAY NATURAL GAS 
Company's Street: 11251 L. HOOD ST 
Company's City: OAKLAND 
Company's State: CA 
Company's Country: US 
Company's Zip Code: 94605 
Company's Emerg Ph #: 510-430-8048 
Company's Info Ph #: 510-430-8048 
Record No. For Safety Entry: 003 
Tot Safety Entries This Stk#: 003 
Status: SE 
Date MSDS Prepared: 22JUN92 
Safety Data Review Date: 30NOV93 
Supply Item Manager: JDC 
MSDS Preparer's Name: UNREADABLE 
MSDS Serial Number: BSDBS 
Specification Number: UNKNOWN 
Spec Type, Grade, Class: UNKNOWN 
Hazard Characteristic Code: G2 
Unit Of Issue: GL 
Unit Of Issue Container Qty: BULK 
Type Of Container: BULK 
Net Unit Weight: UNKNOWN 
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                     Ingredients/Identity Information
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Proprietary: NO 
Ingredient: METHANE
Ingredient Sequence Number: 01 
Percent: 70-99 
NIOSH (RTECS) Number: PA1490000 
CAS Number: 74-82-8 
OSHA PEL: NOT ESTABLISHED 
ACGIH TLV: ASPHYXIANT; 9293 
Other Recommended Limit: NONE RECOMMENDED 
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Proprietary: NO 
Ingredient: ETHANE
Ingredient Sequence Number: 02 
Percent: 1-12 
NIOSH (RTECS) Number: KH3800000 
CAS Number: 74-84-0 
OSHA PEL: NOT ESTABLISHED 
ACGIH TLV: ASPHYXIANT 9293 
Other Recommended Limit: NONE RECOMMENDED 
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Proprietary: NO 
Ingredient: PROPANE
Ingredient Sequence Number: 03 
Percent: <8 
NIOSH (RTECS) Number: TX2275000 
CAS Number: 74-98-6 
OSHA PEL: 1000 PPM 
ACGIH TLV: ASPHYXIANT; 9293 
Other Recommended Limit: NONE RECOMMENDED 
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Proprietary: NO 
Ingredient: BUTANE
Ingredient Sequence Number: 04 
Percent: <5 
NIOSH (RTECS) Number: EJ4200000 
CAS Number: 106-97-8 
OSHA PEL: 800 PPM 
ACGIH TLV: 800 PPM; 9293 
Other Recommended Limit: NONE RECOMMENDED 
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Proprietary: NO 
Ingredient: PENTANE
Ingredient Sequence Number: 05 
Percent: <3 
NIOSH (RTECS) Number: RZ9450000 
CAS Number: 109-66-0 
OSHA PEL: 600 PPM/750 STEL 
ACGIH TLV: 600 PPM/750STEL;9293 
Other Recommended Limit: NONE RECOMMENDED 
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Proprietary: NO 
Ingredient: HEXANE (N-HEXANE)
Ingredient Sequence Number: 06 
Percent: <1 
NIOSH (RTECS) Number: MN9275000 
CAS Number: 110-54-3 
OSHA PEL: 50 PPM 
ACGIH TLV: 50 PPM; 9293 
Other Recommended Limit: NONE RECOMMENDED 
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Proprietary: NO 
Ingredient: HYDROGEN
Ingredient Sequence Number: 07 
Percent: <0.5 
NIOSH (RTECS) Number: MW8900000 
CAS Number: 1333-74-0 
OSHA PEL: NOT ESTABLISHED 
ACGIH TLV: NOT ESTABLISHED 
Other Recommended Limit: NONE RECOMMENDED 
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Proprietary: NO 
Ingredient: HYDROGEN SULFIDE (SARA III)
Ingredient Sequence Number: 08 
Percent: <4 PPM 
NIOSH (RTECS) Number: MX1225000 
CAS Number: 7783-06-4 
OSHA PEL: 10 PPM/21 STEL 
ACGIH TLV: 10 PPM/15 STEL; 9293 
Other Recommended Limit: NONE RECOMMENDED 
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Proprietary: NO 
Ingredient: CARBON DIOXIDE
Ingredient Sequence Number: 09 
Percent: <1.5 
NIOSH (RTECS) Number: FF6400000 
CAS Number: 124-38-9 
OSHA PEL: 10000PPM/30000STEL 
ACGIH TLV: 5000PPM/30000STEL;93 
Other Recommended Limit: NONE RECOMMENDED 
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                     Physical/Chemical Characteristics
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Appearance And Odor: COLORLESS, ODORLESS, TASTELESS,LIGHTER THAN AIR GAS
Boiling Point: -259F,-162C 
Melting Point: UNKNOWN 
Vapor Pressure (MM Hg/70 F): GAS 
Vapor Density (Air=1): <.7(AIR=1) 
Specific Gravity: UNKNOWN 
Decomposition Temperature: UNKNOWN 
Evaporation Rate And Ref: N/K (N-BUTYL ACETATE=1) 
Solubility In Water: NEGLIGIBLE 
Viscosity: UNKNOWN 
Corrosion Rate (IPY): UNKNOWN 
Autoignition Temperature: >1000F 
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                      Fire and Explosion Hazard Data
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Flash Point: UNKNOWN 
Lower Explosive Limit: 4.0 
Upper Explosive Limit: 14.0 
Extinguishing Media: DRY CHEMICAL, CARBON DIOXIDE, OR HALON. STOP FLOW OF
GAS PRIOR TO EXTINGUISHING.
Special Fire Fighting Proc: WEAR SCBA AND FULL PROTECTIVE GEAR. DO NOT
EXTINGUISH FLAMES WHILE GAS FLOWING-EXPLOSIVE REIGNITION MAY OCCUR.
Unusual Fire And Expl Hazrds: PRODUCT IS EXTREMELY FLAMMABLE.
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                              Reactivity Data
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Stability: YES 
Cond To Avoid (Stability): AVOID CONTACT WITH FLAMES, HEAT.
Materials To Avoid: STRONG OXIDIZING AGENTS
Hazardous Decomp Products: CARBON MONOXIDE, SULFUR DIOXIDE, NITROGEN
OXIDES, CARBON DIOXIDE.
Hazardous Poly Occur: NO 
Conditions To Avoid (Poly): NONE
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                            Health Hazard Data
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LD50-LC50 Mixture: ORAL LD50 (RAT) IS UNKNOWN 
Route Of Entry - Inhalation: YES 
Route Of Entry - Skin: NO 
Route Of Entry - Ingestion: NO 
Health Haz Acute And Chronic: ACUTE: INHALATION IN ATMOSPHERES WITH LARGE
CONCENTRATION MAY CAUSE ASPHYXIATION DUE TO OXYGEN DISPLACEMENT; CENTRAL
NERVOUS SYSTEM DEPRESSION. SKIN AND EYE CONTACT MAY CAUSE IRRITATION.
CHRONIC: NONE SPECIFIED BY MANUFACTURER.
Carcinogenicity - NTP: NO 
Carcinogenicity - IARC: NO 
Carcinogenicity - OSHA: NO 
Explanation Carcinogenicity: NO INGREDIENT OF A CONCENTRATION OF 0.1% OR
GREATER IS LISTED AS A CARCINOGEN OR SUPECTED CARCINOGEN.
Signs/Symptoms Of Overexp: INHALED: NAUSEA, VOMITING, DIZZINESS,
DROWSINESS, STUPOR, UNCONSCIOUSNESS. SKIN/EYE: REDNESSS, DISCOMFORT.
Med Cond Aggravated By Exp: PULMONARY CONDITIONS. AVOID ATMOSPHERE WHERE
OXYGEN LEVEL HAS BEEN DISPLACED WITH METHANE TO BELOW 19.5%.
Emergency/First Aid Proc: REMOVE VICTIM TO FRESH AIR. QUICKLY RESTORE
AND/OR SUPPORT BREATING AS REQUIRED. HAVE TRAINED PERSON ADMINISTER OXYGEN
IF AVAILABLE. ARTIFICIAL RESPIRATION SHOULD BE USED IMMEDIATELY IF
BREATHING STOPPED. GET IMMEDIATE MEDICAL ATTENTION.
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                   Precautions for Safe Handling and Use
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Steps If Matl Released/Spill: EVACUATE AREA. ELIMINATE ALL SOURCES OF
IGNITION. STOP LEAK IF POSSIBLE. PREPARE FOR POSSSIBLE IGNITION. ENSURE
VENTILATION OF ENCLOSED AREAS.
Neutralizing Agent: NONE SPECIFIED BY MANUFACTURER.
Waste Disposal Method: DISPOSE OF IN ACORDANCE WITH LOCAL, STATE AND
FEDERAL REGULATIONS.
Precautions-Handling/Storing: NATURAL GAS IS CONTAINED IN PIPING AND
EQUIPMENT DESIGNED TO WITHSTAND ELEVATED PRESSURES. USE EXPLOSION-PROOF,
CLASS I GROUP D ELECTRICAL EQUIPMENT.
Other Precautions: KEEP AWAY FROM STRONG OXIDIZING AGENTS, HEAT AND
SOURCES OF IGNITION. NO SMOKING IN AREAS OF USE.
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                             Control Measures
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Respiratory Protection: IN IMMEDIATELY DANGEROUS TO LIFE OR HEALTH (IDLH)
ATMOSPHERES, IN ENCLOSED AREAS, OR IMMEDIATELY ADJACENT TO BLOWING NATURAL
GAS; SELF-CONTAINED BREATHING APPARATUS OR SUPPLIED AIR WITH ESCAPE BOTTLE
IS REQUIRED. USE IAW 29 CFR 1910.134.
Ventilation: USE ADEQUATE MECHANICAL EXPLOSION-PROOF VENTILATION IF IN
ENCLOSED AREA.
Protective Gloves: NONE SPECIFIED BY MANUFACTURER. 
Eye Protection: NONE SPECIFIED BY MANUFACTURER. 
Other Protective Equipment: WEAR FLAME RESISTENT FLASH SUITS IN
POTENTIALLY FLAMMABLE ATMOSHERES OR CONFINED SPACES.
Work Hygienic Practices: NONE SPECIFIED BY MANUFACTURER.
Suppl. Safety & Health Data: USE OXYGEN MONITORS TO ENSURE ADEQUATE OXYGEN
LEVELS AND COMBUSTIBLE GAS INDICATORS TO CHECK FOR EXPLOSIVE ATMOSPHERE.
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                            Transportation Data
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Trans Data Review Date:   93334 
DOT PSN Code: JEP 
DOT Proper Shipping Name: METHANE, COMPRESSED OR NATURAL GAS, COMPRESSED
DOT Class: 2.1 
DOT ID Number: UN1971 
DOT Label: FLAMMABLE GAS 
IMO PSN Code: JOR 
IMO Proper Shipping Name: METHANE, COMPRESSED
IMO Regulations Page Number: 2156 
IMO UN Number: 1971 
IMO UN Class: 2(2.1) 
IMO Subsidiary Risk Label: - 
IATA PSN Code: QHG 
IATA UN ID Number: 1971 
IATA Proper Shipping Name: METHANE, COMPRESSED
IATA UN Class: 2.1 
IATA Label: FLAMMABLE GAS 
AFI PSN Code: QHG 
AFI Symbols: 0 
AFI Prop. Shipping Name: METHANE, COMPRESSED OR NATURAL GAS, COMPRESSED
AFI Class: 2.1 
AFI ID Number: UN1971 
AFI Basic Pac Ref: 6-6,6-10 
Additional Trans Data: ABOVE PSN APPLY ONLY IF SHIPPED VIA CARRIER; MOST
NATURAL GAS SHIPPED VIA PIPELINE.
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                               Disposal Data
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                                Label Data
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Label Required: YES 
Technical Review Date: 30NOV93 
Label Status: F 
Common Name: NATURAL GAS 
Chronic Hazard: NO 
Signal Word: DANGER! 
Acute Health Hazard-Slight: X 
Contact Hazard-None: X 
Fire Hazard-Severe: X 
Reactivity Hazard-None: X 
Special Hazard Precautions: FLAMMABLE GAS! LARGE CONCENTRATIONS MAY CAUSE
ASPHYXIATION DUE TO OXYGEN DISPLACEMENT. NATURAL GAS IS CONTAINED IN PIPING
AND EQUIPMENT DESIGNED TO WITHSTAND ELEVATED PRESSURES. USE EXPLOSION-
PROOF, CLASS I GROUP D ELECTRICAL EQUIPMENT. KEEP AWAY FROM SOURCES OF
IGNITION AND STRONG OXIDIZING AGENTS. FIRST AID: REMOVE VICTIME TO FRESH
AIR. QUICKLY RESTORE AND/OR SUPPORT BREATHING AS REQUIRED. HAVE TRAINED
PERSON ADMINISTER OXYGEN IF AVAILABLE. ARTIFICIAL RESPIRATION SHOULD BE
USED IMMEDIATELY IF BREATHING STOPPED. GET IMMEDIATE MEDICAL ATTENTION.
TARGET ORGANS: LUNGS.
Protect Respiratory: Y 
Label Name: HUDSON BAY NATURAL GAS 
Label Street: 11251 L. HOOD ST 
Label City: OAKLAND 
Label State: CA 
Label Zip Code: 94605 
Label Country: US 
Label Emergency Number: 510-430-8048 
Year Procured: 1993