LABORATORY SAFETY

LAB EQUIPMENTSAFETY

CHEMICAL LABELSNFPA / HMIS

MSDS

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GLASSWARE & GENERAL EQUIPMENT

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SMALL SCALE EQUIPMENT

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SAFETY IN THE LAB

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SAFETY IN THE LABORATORY

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SAFETY SHOWER

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Hazard Pictograms

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Hazard Pictograms

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Personal Protective Equipment

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Personal Protective Equipment

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Personal Protective Equipment

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Personal Protective Equipment

A B

C

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Why can’t we use CO2 for all types of fires?

Co2mg.mov

Because flammable metals tend to react with carbon dioxide!Mg turnings Mg + CO2

MgO + C

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Personal Protective Equipment

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Fume Hood

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Fume Hood

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SAFETY SYMBOLS

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SAFETY SYMBOLS

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CHEMICAL LABELS

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Hazard Rating

Identity of Chemical

Chemical Abstract Number Formula WeightHazard Class & Packing Number

Specifications

Hazard Signage

Date Received

Hazard Warning

24-Hour Number

Manufacturer or Distributor

First Aid

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FLINN CHEMICAL LABEL

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7 – Lot Number

8 – Storage method / number

9 – Storage Method / number enlarged

10 – Suggested Disposal Method

11 – Shelf Life

12 – Solubility

13 – Chemical Abstract Service Registry Number

14 – United Nations Number

15 – NFPA Code

16 – Purchase Date

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Storage Color Codes

BLUE – severe health riskRED – flammableYELLOW – highly reactive (oxidizers)WHITE – corrosiveORANGE – minimal storage riskGREEN – general storage – special hazardSTRIPED

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Secondary Chemical Labels

Name of chemical and the chemical formulaStatement of possible hazardsPrecautionary measuresInstructions in case of contact or exposureDate of preparation and name of person who prepared the chemical

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N F P A

National Fire Protection Association

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Flammability HazardFlammability Hazard

Health Health HazardHazard

ReactiviReactivitytyHazardHazard

Special Special HazardHazard

Hazard Rating4 severe5 serious6 moderate7 slight0 none or least

30 1

OX

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Flammability Rating “3”

• rapidly vaporizes at normal temperature and pressure

• rapidly disperses into air• burns readily3Includes:• very flammable gases• extremely volatile liquids• dust that readily burns• dust that explodes in air

Serious Flammability Hazard Rating

NFPA Flammability RatingNFPA Flammability Rating

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Least Health Hazard RatingHealth Rating “0”

• exposure under fire conditions offer no hazard beyond that of combustible material

0

NFPA Health RatingNFPA Health Rating

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Reactivity Rating “1”• materials must be preheated before ignition can occur

Slight Reactivity Hazard Rating

1

NFPA Reactivity RatingNFPA Reactivity Rating

• includes most ordinary combustible materials

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OX

NFPA Special RatingNFPA Special Rating

Special Hazard Rating “OX”

• Materials are oxidizing agents.These compounds give up oxygen readily, remove hydrogen easily, remove hydrogen from other compounds, or attract electrons

Special Hazard Rating

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What does this NFPA Diamond mean?

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W4

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H M I SHazardous Materials Identification SystemSimilar to NFPA, including coding and colorUsed by DOT (Dept. of Transportation)

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DOT PLACARDS, LABELS & MARKINGS

?

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Emergency Response Guidebook

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Emergency Response Guidebook

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Sample Label & Marking

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M S D SMaterial Safety Data SheetsShould be available in the lab where chemical is usedFederal Law requires chemical suppliers to provide MSDS to usersDivided into 16 sections containing 4 types of information

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M S D S InformationsCritical emergency information

Substance identity, manufacturer, hazardous components and identification

Emergency response measuresFirst aid, fire-fighting and accidental release

Personal protection and exposure measuresHandling and storage, PPE, exposure controlsPhysical and chemical properties

Miscellaneous informationToxicological and ecological effectsDisposal, transport and regulatory info

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Critical Emergency Information

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Emergency Response Measures

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Emergency Response Measures

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Personal Protection Measure

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Personal Protection Measure

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Miscellaneous Information