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  • 2/1/09


    Safety Symbols

    Chemistry 11

    Hazardous Household Product Symbols

    Each symbol above may be combined with one of the three severity symbols.

    NFPA Hazard Ratings

    Developed by the National Fire Protection Association.

    Provides information regarding the hazards of a material as they relate to handling, fire prevention, exposure, and control.

    NFPA Hazard Ratings

    WHMIS This is a Canada wide system aimed at

    reducing injuries and illness caused by exposure to hazardous materials.

    The system covers all areas of work, and chemicals.

    The key to this system is knowing and understanding the standardized labelling procedure.

  • 2/1/09



    PersonalProtective Equipment

    Class A: Compressed Gas

    Keep away from heat. Do not drop or handle

    roughly. Keep the container tightly

    closed. Eg: Oxygen gas, paint cans.

    Class B: Flammable and Combustible Materials Keep away from heat. Keep away from sources of ignition. No smoking. Avoid static discharge or sparks. Keep container tightly closed. Eg: Gasoline, acetone.

    Class C: Oxidizing Material

    Keep away from heat. Keep in a cool place. Keep away from flammable and

    combustible materials. Avoid shock and friction. Eg: Bleach, Hydrogen peroxide.

    Class D: Poisonous and Infectious Materials Division 1: Materials Causing Immediate and

    Serious Toxic Effects

    Cause death when exposed to small amounts.

    Permanent damage when exposed. Avoid contact; use PPEs. Eg: Carbon monoxide, Sodium cyanide,

    Hydrogen Sulphide.

    Class D: Poisonous and Infectious Materials Division 2: Materials Causing Other Toxic Effects

    Damage caused over prolonged exposure.

    May be carcinogens. Wear suitable PPEs. Eg: Asbestos, Mercury, Lead.

  • 2/1/09


    Division 3: Biohazardous Infectious Materials

    Living organisms or toxins. Cause diseases in living things. Organisms can live in body tissues. Eg: AIDS/HIV virus, Hepatitis B,


    Class D: Poisonous and Infectious Materials Class E: Corrosive Material

    Cause severe burns to skin and other tissues.

    Can attack other materials such as clothing and metals.

    Damage is permanent. Eg: Sulphuric and Nitric acid, Lye,

    Ammonia gas.

    Class F: Dangerously Reactive Material React vigorously with water to make

    a toxic gas. Shock sensitive; unstable. Vigorously join with itself

    (polymerization), or break down. Eg: Fiberglass materials.

    WHMIS Supplier Label

    Provides information about a chemical.

    Affixed to the container.

    DANGER! EXTREMELYFLAMMABLE. IRRITATES EYES.PRECAUTIONS: Keepaway from heat, sparks,and flames. Groundcontainers when pouring.Avoid breathing vapours ormists. Avoid eye contact. Avoid prolongedor repeated contact with skin. Wearsplash-proof safety goggles or faceshieldand butyl rubber gloves. If acetone ispresent in concentrations greater than250 ppm, wear a NIOSH-approvedrespirator with an organic vapourcartridge. Use with adequate ventilation,especially in enclosed areas. Store in acool, well-ventilated area, away fromincompatibles.FIRST AID: In case of contact with eyes,immediately flush eyes with lots of runningwater for 15 minutes, lifting the upper andlower eyelids occasionally. Get medicalattention immediately. In case of contactwith skin, immediately wash skin with lotsof soap and water. Remove contaminatedclothing and shoes. Get medical attentionif irritation persists after washing. Washclothing before reuse. If inhaled, removesubject to fresh air. Give artificialrespiration if not breathing. Get medicalattention immediately. If swallowed,contact the Poison Control Centre. Getmedical attention immediately. Do not giveanything by mouth to an unconscious orconvulsing person.ATTENTION! THIS CONTAINER ISHAZARDOUS WHEN EMPTY. ALLLABELLED HAZARD PRECAUTIONSMUST BE OBSERVED.


    MESURES DE PRVENTION:Tenir lcart de la chaleur, destincelles et des flammes.Relier les rcipients la terrelors du transvasement. viter derespirer les vapeurs ou les

    brumes. viter le contact avec les yeux. viter lecontact prolong ou rpt avec la peau. Porterdes lunettes contre les claboussures deproduit chimique ou une visire de protection, etdes gants en caoutchouc butyle. Si lactone estprsent en concentration de plus de 250 pourun million, porter un respirateur muni dunecartouche vapeur organique approuv parNIOSH. Utiliser avec suffisamment de ventilationsurtout dans les endroits clos. Entreposer dansun endroit frais, bien ar, lcart des produitsincompatibles.PREMIERS SOINS: En cas de contact avec lesyeux, rincer immdiatement et copieusementavec de leau courante pendant 15 minutes ensoulevant les paupires infrieures etsuprieures de temps en temps. Obtenir dessoins mdicaux immdiatement. En cas decontact avec la peau, laver immdiatement laregion affecte avec beaucoup deau et desavon. Retirer les vtements et les chaussurescontamines. Si lirritation persiste aprs lelavage, obtenir des soins mdicaux. Laver lesvtements avant de les rutiliser. En casdinhalation, transporter la victime lair frais. Encas darrt respiratoire, pratiquer la respirationartificielle. Obtenir des soins mdicauximmdiatement. En cas dingestion, contacter leCentre de Contrle des Empoisonnements.Obtenir des soins mdicaux immdiatement. Nerien faire avaler une victime inconsciente ou enconvulsions.ATTENTION! CE RECIPIENT ESTDANGEREUX LORSQUIL EST VIDE.CHAQUE INDICATION DE DANGERSUR LES TIQUETTES DOIVENTTRE OBSERVES.


    An example of a supplier label.



    Supplier identification




    First aidmeasures


    Referenceto MSDS

    BIG Chemical Company / 123 Nitro Avenue, Vapour Town, BC / 123-4567B I G

    S E E M A T E R I A L S A F E T Y D A T A S H E E T F O R T H I S P R O D U C TV O I R L A F I C H E S I G N A L T I Q U E P O U R C E P R O D U I T

    MSDS Sheets

    A Material Safety Data Sheet (MSDS) is designed to provide both workers and emergency personnel with the proper procedures for handling or working with a particular substance. Eg: MSDS for Acetone


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