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LEAN AMINE (Ucarsol HS 101)

BURLINGTON RESOURCES CANADA LTD. MATERIAL SAFETY DATA SHEET PAGE 1

SECTION ONE: PRODUCT IDENTIFICATIONProduct Identifier: Lean Amine (Ucarsol HS 101)Use: Sweetening of sour natural gas

WHMIS Classification:WHMIS Class B: Division 2: Flammable Liquid

Class D: Division 2: Subdivision A: Very Toxic MaterialClass E: Corrosive

TDG Identification:TDG Shipping Name: Flammable Liquids, n.o.s. (waste

amine contaminated with petroleumhydrocarbons)

TDG Class: 3TDG PIN: 1993TDG PG: II

Burlington Resources Canada Ltd.2100, 250 - 6th Avenue S.W.Calgary, AB T2P 3H7

Emergency/Information Phone No.: (403) 260-8000

SECTION TWO: HAZARDOUS INGREDIENTS

HazardousIngredients

%Volume

C.A.S.Number

LD50 ofIngredient

LC50 ofIngredient

Alkanol-amines 95-100 Not available Not available Not available

Hexanes 0.5-5 110-54-03 28,710 mg/kgrat, oral

35,000-40,000

ppm, mouse

Benzene 0.1-1 71-43-02 4,894 mg/kgrat, oral

16,000 ppmrat, 4 hr

HydrogenSulphide

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LEAN AMINE (Ucarsol HS 101)

BURLINGTON RESOURCES CANADA LTD. MATERIAL SAFETY DATA SHEET PAGE 2

Carcinogenicity:

Substance

National Testing

Program

IARC

MonographsOSHA

RegulatedBenzene Yes Yes Yes

Sign and Symptoms of Exposure: Irritation to eyes, nose,throat, lungs or skin. Drowsiness, disorientation, headacheand nausea may also occur. Hydrogen sulphide can causepulmonary edema and respiratory paralysis at highconcentrations.

Medical Conditions Generally Aggravated by Exposure:Any condition causing impaired function of the respiratory,cardiovascular, or nervous systems.

IngredientsTLV-TWA

( ppm)

TLV-STEL( ppm)

TLV-C( ppm)

8 HrOEL

( ppm)15 MinOEL

( ppm)Ceiling

OEL( ppm)

Alkanolamines - - - - - -n-Hexane 50 - - 50 75 -Other Hexanes 500 1000 - 500 625 -Heptanes 400 500 - 400 500 -Octanes 300 375 - 300 375 -Nonanes 200 - - 200 250 -Benzene 0.5 2.5 - 1 5 -Toluene 50 - - 50 - -Xylene 100 150 - 100 150 -1,2,4 Trimethyl

Benzene 25 - - 25 35 -Cyclohexane 300 - - 300 375 -MethylCyclohexane 400 - - 400 500 -HydrogenSulphide 10 15 - 10 - 15

SECTION SEVEN: PRECAUTIONS FOR SAFEHANDLING AND USE

Respiratory Protection (specify type): Determine the needfor (and wear if necessary) respiratory protection whereairborne exposures may exceed regulatory limits (for example,during amine filter changes, maintenance and other operationswhere significant airborne exposure to the amine/hydro-

carbons can occur).Local Exhaust Ventilation: Provide where possible tocapture vapours at source, minimize worker exposure andavoid accumulation of explosive vapours. Otherwise, provideeffective general ventilation. Use explosion-proof motor andnon-sparking fan in areas where explosive vapours may form.Special: No smoking, open lights or other ignition sources.Use non-sparking tools in areas where explosive vapours mayform

Protective Gloves: Use chemical resistant gloves to avoidskin contact (e.g. viton or butyl rubber preferable - neoprenesuitable for light duty work).Eye Protection: Goggles and face shield if splashing ispossible (unless full face piece respirator worn).

Other Protective Clothing/Equipment: Use chemical-resistant apron or fire-retardant clothing as required by clothingpolicy.Work/Hygienic Practices: Keep containers closed when notin use. Wash before eating or drinking. Soiled clothing shouldbe removed and laundered.Steps to be Taken in Case Material is Released or Spilled:Wear suitable respiratory and personal protection. Test areafor H2S and combustible gas/vapour. Remove all ignitionsources. Keep people away. Recover free liquid. Addabsorbent (sand, earth, sawdust, etc.) to spill area. Minimizebreathing vapours. Ventilate confined spaces. Open windowsand doors. Keep out of sewers and watercourses by dyking or

impounding. Advise authorities if product has entered or mayenter sewers, watercourses, or extensive land areas. Federaland provincial regulations must be followed.

Waste Disposal Method: Recycle as much of the recoverableproduct as possible. Dispose of absorbed materials at anapproved disposal site or facility. Assure conformity withapplicable disposal regulations.

Precautions to be Taken in Handling and Storing: Do not

inhale vapour and avoid contact with skin. Observeprecautions for volatile, flammable vapours from absorbedmaterials. Toxic quantities of gases and vapours may bepresent in storage tanks and vessels which contain or havecontained the material. Persons opening or entering thesecompartments should first determine if H2S is present. Do notattempt to rescue without wearing SCBA.Other Precautions: Wash thoroughly after contact. Avoidignition sources.

SECTION EIGHT: EMERGENCY AND FIRST AIDPROCEDURES

Inhalation: In emergency situations, assess situation.

Ensuring own safety use approved respiratory protection toremove the affected victim immediately from exposure.Administer artificial respiration or CPR as required. Keep atrest. Call for medical attention immediately.

Skin Contact and Absorption: Wash with large amounts ofwater. Remove contaminated clothing. Get medical attention.Eyes: Flush with water for at least 20 minutes, lifting upperand lower eyelids at intervals. Get immediate medicalattention.

Ingestion: DO NOT induce vomiting. If conscious, give 1-2glasses of milk or water to drink. (Note: Never give anythingby mouth to a person who is unconscious or convulsing.)Notes to Physician: High aspiration risk. For large amounts,use careful gastric lavage. Eructation and gastroenteritis maybe a complication. Aspiration may cause chemical pneumonitis

or lipoid pneumonia.

SECTION NINE: PREPARATION INFORMATION

The information supplied on this Material Safety Data Sheet issupplied in accordance with the provisions of the HazardousProducts Act, Occupational Health and Safety Act, ControlledProducts Regulations, and Occupational Health and SafetyRegulations, and its dissemination and use is limited topersons protected thereunder. Burlington Resources CanadaLtd. and its affiliates assume no responsibility for any liability topersons not within the protection of the above namedlegislation.

PREPARED BY: Burlington Resources Canada Ltd.EHSDepartment(403) 260-8000

DATE REVISED: 2003 November 12