Chemical Hazard Labels

Chemical Hazard Labels Chemical Hazard Labels - Start

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Chemical Hazard Labels - Description

April 2. nd. , 2013. Hazard Labels. Provide a quick guide into the dangers and acute hazards of chemicals . Not be used in lieu of reading MSDS. Different classification schemes. Should be able to recognize symbols from all of them. . ID: 539664 Download Presentation

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Chemical Hazard Labels




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Presentations text content in Chemical Hazard Labels

Slide1

Chemical Hazard Labels

April 2nd, 2013

Slide2

Hazard Labels

Provide a quick guide into the dangers and acute hazards of chemicals

Not be used in lieu of reading MSDS

Different classification schemes

Should be able to recognize symbols from all of them.

Can prevent disasters and accidents if used properly

Slide3

How many of these do you know?

Your hair may

spontaneously combust?

A guard just saw

s

omething wrong?

Killer starfish in

the area?

Slide4

Old COSHH Symbols

Slide5

New GHS Symbols

Slide6

NFPA Warning Diamond

Diborane

Flammability

Health

Reactivity

Specific Hazards

Slide7

Blue Health Section

0: Poses no known health hazard (water)

1: Exposure causes irritation or could result in residual injury (acetone)

2: Intense of continued exposure could cause incapacitation or possible residual injury (Et

2

O)

3: Short exposure could cause serious temporary or moderate residual injury (chlorine)

4: Very short exposure could cause death or major residual injury (CO, HCN)

Slide8

Red Fire Section

0: Materials will not burn under typical conditions (CO

2

)

1: Materials that require considerable preheating before ignition and combustion (mineral oil) Flash Point (FP) > 93.4

o

C

2: Must be moderately heated or exposed to high ambient temps (diesel fuel) FP > 38

o

C

3. Liquids and solids that can be ignited under almost all ambient conditions (gasoline) FP > 23

o

C

4: Will rapidly or completely vaporize at normal

atomospheric

pressure and temperature or will burn readily (acetylene) FP < 23

o

C

Slide9

Yellow Reactivity Section

0: Normally stable, even under fire exposure and does not react with water (He)

1: Normally stable but unstable at elevated temperatures and pressures (propene)

2: Undergoes violent chemical changes at high temp. or pressure, reacts violently with water (sodium)

3: Capable of detonation or explosive decomposition but require initiating source, reacts explosively with water, or when severely shocked (ammonium nitrate)

4: Readily capable of detonation or explosive decomposition at normal temp. and pressures (nitroglycerin)

Slide10

White Specific Hazard Section

OX: Oxidizer (hydrogen peroxide)

SA: Simple

asphyxiant

gas (argon)

W

:

Reacts with water in an unusual or dangerous manner (cesium)

ACID: Acidic (

HCl

)

ALK: Alkaline (KOH)

COR: Corrosive (dimethyl sulfate)

RAD: Radioactive (uranium)

BIO: Biological Hazard (smallpox)

POI: Poisonous (Strychnine)

Slide11

Summary of NFPA Warning Diamond

Slide12

Other Useful Symbols to Know

Radioactive

Biohazard

Chemical Weapons


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