El Dorado High SchoolEl Dorado High School

Topic #2 :Topic #2 :Hazard CommunicationHazard Communication

EQ: What are important aspects of MSDS EQ: What are important aspects of MSDS and NFPA safety diamonds?and NFPA safety diamonds?

Your “Right to Know”Your “Right to Know”

AgendaAgenda

Material Safety Data Sheets (MSDSs)Material Safety Data Sheets (MSDSs) Fire DiamondFire Diamond Safety SymbolsSafety Symbols

Hazard Hazard CommunicationCommunicationMaterial Safety Data Material Safety Data

Sheets (MSDS)Sheets (MSDS)

Hazard CommunicationHazard Communication

Material Safety Data SheetsMaterial Safety Data Sheets• Company Company

InformationInformation• Hazardous Hazardous

IngredientsIngredients• Physical DataPhysical Data• Fire and Explosion Fire and Explosion

DataData• Health Hazard DataHealth Hazard Data

• Reactivity DataReactivity Data• Spill & Leak Spill & Leak

ProceduresProcedures• Special Protection Special Protection

InformationInformation• Special PrecautionsSpecial Precautions

Material Safety Data Material Safety Data Sheets:Sheets:

Your RightsYour Rights

1. Your school and even an 1. Your school and even an employer must have employer must have MSDS information MSDS information available for every available for every hazardous substance you hazardous substance you use as part of your job.use as part of your job.

Material Safety Data Material Safety Data Sheets:Sheets:

Your RightsYour Rights

2. These MSDS sheets must 2. These MSDS sheets must be available to you the be available to you the entire time you are in the entire time you are in the laboratory or workplace.laboratory or workplace.

Material Safety Data Sheets:Material Safety Data Sheets:Your RightsYour Rights

3. If you request to see a copy 3. If you request to see a copy of an MSDS for a product you of an MSDS for a product you use, and your employer use, and your employer cannot provide it after one cannot provide it after one working day, you may refuse working day, you may refuse to use that product or work to use that product or work in an area where it is being in an area where it is being used.used.

Material Safety Data Material Safety Data Sheets:Sheets:

Your RightsYour Rights

4. At the workplace, if you 4. At the workplace, if you request your own request your own personal copy of an personal copy of an MSDS, your employer has MSDS, your employer has 15 days to provide it.15 days to provide it.

Hazard Hazard CommunicationCommunication

NFPANFPA (National Fire (National Fire Protection Association)Protection Association)

DiamondsDiamonds

Labeling and Marking SystemsLabeling and Marking SystemsNFPA DiamondsNFPA Diamonds

Color coded, Color coded, numerical rating numerical rating systemsystem

Will be located Will be located near main near main entrances, fire entrances, fire alarm panels, or on alarm panels, or on outside entrance outside entrance doorsdoors

Provide at-a-glance Provide at-a-glance hazard informationhazard information

Labeling and Marking SystemsLabeling and Marking SystemsNFPA DiamondsNFPA Diamonds

Blue = HealthBlue = Health Red = FlammabilityRed = Flammability Yellow = ReactivityYellow = Reactivity White = Special White = Special

hazard informationhazard information

Labeling and Marking SystemsLabeling and Marking SystemsNFPA DiamondsNFPA Diamonds

4= Deadly Hazard4= Deadly Hazard 3= Serious Hazard3= Serious Hazard 2= Moderate Hazard2= Moderate Hazard 1= Slight Hazard1= Slight Hazard 0= Minimal Hazard0= Minimal Hazard

FlammabilityFlammability

00 There is no fire hazard. Example: water

11 Material must be pre-heated before ignition can occur.

Example: corn oil

22 Material must be heated for ignition. Example: diesel fuel oil

33 A flammable liquid or solid which can be readily ignited.

Example: gasoline

44 A flammable vapor or gas which burns readily. Example: propane gas

Health HazardHealth Hazard

00 There is no health hazard.

Example: peanut oil

11 The substance could cause irritation. Example: turpentine

22 The substance could cause temporary incapacitation.

Example: ammonia gas

33 The substance could cause serious temporary or irreversible injury.

Example: chlorine gas

44 Material that on very short exposure could cause death or major residual injury.

Example: hydrogen cyanide

REACTIVITYREACTIVITY

00 Material that in itself is normally stable,. Example: liquid nitrogen

11 The substance may become unstable at high temperatures.

Example: phosphorus (red or white)

22 The substance is readily capable of non-explosive reaction.

Example: calcium metal

33 The substance may detonate when exposed to heat or an ignition source.

Example: fluorine gas

44 The substance is readily capable of detonation or explosive reaction.

Example: trinitrotoluene (TNT)

Special HazardsSpecial Hazards

OXOX

ACIDACID

ALKALK

CORCOR

Oxidizing Material

Acid

Alkaline or Base

Corrosive

Unusual reactivity with water

Radioactive

What does this NFPA Diamond What does this NFPA Diamond mean?mean?

332

W4

Labeling and Marking SystemsLabeling and Marking SystemsHMIS LabelsHMIS Labels

You should never have any You should never have any unattended, unlabeled unattended, unlabeled

containers in your containers in your workplace!workplace!

Labeling and Marking SystemsLabeling and Marking SystemsUniform Laboratory SignageUniform Laboratory Signage

Located on Located on laboratory and laboratory and chemical storage chemical storage area doorsarea doors

Pictographs depict Pictographs depict worst hazards worst hazards present in lab or present in lab or areaarea

Lab Safety SymbolsLab Safety SymbolsFound in your textbookFound in your textbook

GlasswareGlassware HeatHeat Eye and FaceEye and Face SharpsSharps

ElectricalElectrical AnimalAnimal ChemicalChemical FireFire

Other Chemical Hazards Other Chemical Hazards and Symbolsand Symbols

FlammableFlammable

ExplosiveExplosive

Toxic/PoisonToxic/Poison

IrritantIrritant

CorrosiveCorrosive

EnvironmentalEnvironmental

Chemical Hazard Symbols Chemical Hazard Symbols and Definitionsand Definitions

FlammableFlammable – Any substance that will – Any substance that will burn if exposed to an open flame.burn if exposed to an open flame.

ExplosiveExplosive – A substance that may – A substance that may explode if exposed to heat or flame. explode if exposed to heat or flame.

What’s Wrong With This What’s Wrong With This Picture?Picture?

What’s Wrong With This What’s Wrong With This Picture?Picture?

What’s Wrong With This What’s Wrong With This Picture?Picture?

What’s Wrong With These What’s Wrong With These Statements?Statements?

• Hal says that his teacher is solely responsible for preventing laboratory accidents.

• Keshia started the lab activity before reading it through completely.

• Ricardo decided to do a lab activity that he read about in a library book before the teacher came into the classroom.

• Stephanie says that the safety goggles mess up her hair and give her raccoon eyes. She refuses to wear them.

• Barbie and Ken accidentally break a beaker full of some chemical. Instead of risking getting in trouble they quickly clean up the mess with paper towel and throw it in the garbage.

Compare and Contrast Compare and Contrast 2 Chemicals2 Chemicals Build a table that answers the following things about your Build a table that answers the following things about your

assigned chemicals:assigned chemicals: 1. Appearance1. Appearance 2.First aid measures2.First aid measures 3. How to dispose it.3. How to dispose it. 4. Storage4. Storage 5. Fire Fighting Measures5. Fire Fighting Measures 6. Spill6. Spill Below your table, write a paragraph that compares and Below your table, write a paragraph that compares and

contrasts your 2 chemicals.contrasts your 2 chemicals. On the back of the paper draw and color a safety diamond for On the back of the paper draw and color a safety diamond for

each one of your chemicalseach one of your chemicals