Lab SafetyLab Safety

Mrs. ReeseMrs. Reese

Safety FirstSafety First The laboratory is a place for making The laboratory is a place for making

inquiries, the process of finding answers inquiries, the process of finding answers to questions, as safely as possible.to questions, as safely as possible.

The laboratory is a place to foster The laboratory is a place to foster curiosity and objective thinking.curiosity and objective thinking.

The laboratory is a place to learn The laboratory is a place to learn fundamental principles of science through fundamental principles of science through hands-on experiences.hands-on experiences.

Safety First!Safety First!

Lab Safety: Everyone is

Responsible!

GogglesGoggles Goggles: Help prevent foreign Goggles: Help prevent foreign

substances from harming eyes.substances from harming eyes. We will use goggles on MOST labs.We will use goggles on MOST labs.

ApronApron Apron: Help prevent foreign substances Apron: Help prevent foreign substances

from harming skin or clothes.from harming skin or clothes. We will use aprons on some labs.We will use aprons on some labs.

Only the teacher is authorized to use the fire extinguisher !

Fire Extinguisher

A. Combustible: wood, clothes, paper, plastic, and rubber.

B. Flammable liquids: oil, grease and paint thinner.

C. Energized electrical equipment.

Fire Extinguisher Fire Extinguisher MethodMethod

The average fire extinguisher only operates about 10 seconds.The average fire extinguisher only operates about 10 seconds. Don't waste it!Don't waste it!

You must get close to the fire - as close as 5 or 6 feet! You must get close to the fire - as close as 5 or 6 feet! To effectively operate an extinguisher, think To effectively operate an extinguisher, think P-A-S-SP-A-S-S..

P -- pull the pinP -- pull the pinA -- aim the hose at the base of the fireA -- aim the hose at the base of the fireS -- squeeze the handleS -- squeeze the handleS -- sweep the hose back and forth S -- sweep the hose back and forth

Safety ShowerSafety Shower Safety showers are designed to flood the entire Safety showers are designed to flood the entire

body in the event of a clothing fire or a major body in the event of a clothing fire or a major spill of hazardous liquid. spill of hazardous liquid.

In either case, the victim should stand under In either case, the victim should stand under the shower and activate the shower by pulling the shower and activate the shower by pulling on the handle. on the handle. Flood the area of chemical contact Flood the area of chemical contact for at least for at least 15 minutes 15 minutes to be sure there is no residue of to be sure there is no residue of the chemical. the chemical.

Safety Eye WashSafety Eye Wash

If a individual receives a chemical splash If a individual receives a chemical splash in the eyes, use the nearest eyewash for in the eyes, use the nearest eyewash for immediate and thorough washing of the immediate and thorough washing of the eyes. Always flood the eyes for at least eyes. Always flood the eyes for at least 15 minutes to be sure there is no residue 15 minutes to be sure there is no residue of the chemical. of the chemical.

                                                                                                       

Broken Glass Broken Glass ContainerContainer

All containers used for broken glass All containers used for broken glass disposal should be puncture-resistant disposal should be puncture-resistant containers. containers.

A metal or thick plastic can or bucket with A metal or thick plastic can or bucket with a sealing lid is ideal. a sealing lid is ideal.

If glassware is dry, a cardboard box may If glassware is dry, a cardboard box may be used if all seams and edges are be used if all seams and edges are sealed or taped. sealed or taped.

Fire blanketFire blanket

A fire retardant-treated woolen blanket A fire retardant-treated woolen blanket for smothering fires. Blanket can be used for smothering fires. Blanket can be used for small fires (such as a fire in the for small fires (such as a fire in the trashcan) trashcan) or on a personor on a person. .

First Aid KitFirst Aid Kit Foreign Matter in Eye: Flush with plenty of water. Foreign Matter in Eye: Flush with plenty of water. Poisoning: Note the suspected poisoning agent. Poisoning: Note the suspected poisoning agent.

Call Poison Control.Call Poison Control. Any Spills on Skin: Flush with large amounts of Any Spills on Skin: Flush with large amounts of

water.water. Cuts: Allow cut to bleed slightly, wash it with soap Cuts: Allow cut to bleed slightly, wash it with soap

and water, and apply pressure with gauze.and water, and apply pressure with gauze. Burn: Flood the area with Burn: Flood the area with COLDCOLD water. water. For any injury, immediately inform For any injury, immediately inform

the teacher!the teacher!

What’s wrong with this What’s wrong with this picture?picture?

Sometimes acetone is used in nail polish remover)

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

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

•Peter says that his teacher is the only one 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 in a library book before the teacher came into the classroom.

•Stephanie says that the lab aprons are unattractive and that the safety goggles mess up her hair. She refuses to wear them.

Safety SymbolsSafety Symbols Animal SafetyAnimal Safety

Lab ApronLab Apron

BreakageBreakage

Safety SymbolsSafety Symbols Corrosive Chemical:Corrosive Chemical:

Disposal:Disposal:

Flames:Flames:

Safety SymbolsSafety Symbols Fumes:Fumes:

General Safety Awareness:General Safety Awareness:

Hand washing:Hand washing:

Safety SymbolsSafety Symbols Heat resistant gloves:Heat resistant gloves:

Heating:Heating:

No Flames:No Flames:

Safety SymbolsSafety Symbols Physical Safety:Physical Safety:

Plant Safety:Plant Safety:

Poison:Poison:

Safety SymbolsSafety Symbols

Safety Goggles:

Sharp Object:

Electric Shock: