EASTLAKE HIGH SCHOOLEASTLAKE HIGH SCHOOL SCIENCE DEPARTMENT SCIENCE DEPARTMENT

LAB SAFETY RULESLAB SAFETY RULES

EASTLAKE HIGH SCHOOLEASTLAKE HIGH SCHOOL SCIENCE DEPARTMENT SCIENCE DEPARTMENT

LAB SAFETY RULESLAB SAFETY RULES

https://mail.lwsd.org/exchweb/bin/redir.asp?URL=http://www.youtube.com/watch?v=-5tLdD-zsPg

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SAFETY GLASSES MUST BE SAFETY GLASSES MUST BE

WORN AT ALL TIMES IN ALL WORN AT ALL TIMES IN ALL

LABORATORIES UNLESS LABORATORIES UNLESS

OTHERWISE ADVISED BY OTHERWISE ADVISED BY

YOUR INSTRUCTOR.YOUR INSTRUCTOR.

SAFETY GLASSES MUST BE SAFETY GLASSES MUST BE

WORN AT ALL TIMES IN ALL WORN AT ALL TIMES IN ALL

LABORATORIES UNLESS LABORATORIES UNLESS

OTHERWISE ADVISED BY OTHERWISE ADVISED BY

YOUR INSTRUCTOR.YOUR INSTRUCTOR.

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NEVERNEVER look into the opening of look into the opening of ANY chemical containing vessel.ANY chemical containing vessel.

NEVER BRING VESSELS WHICH NEVER BRING VESSELS WHICH CONTAIN CHEMICALS NEAR YOUR CONTAIN CHEMICALS NEAR YOUR FACE.FACE. Keep your face as far back Keep your face as far back as possible during heating and as possible during heating and mixing operations.mixing operations.

The List of NEVER’S

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NEVERNEVER bring chemicals into contact bring chemicals into contact with the eyes, nose, mouth, with the eyes, nose, mouth, skin or clothing. skin or clothing.

NEVERNEVER run, jump, or eat in the run, jump, or eat in the laboratory. laboratory.

NEVER kneel on the floor or sit on the NEVER kneel on the floor or sit on the lab tables.lab tables.

NEVERNEVER leave an experiment leave an experiment unattended.unattended.

NEVERNEVER remove chemicals, supplies, remove chemicals, supplies, or equipment from the lab.or equipment from the lab.

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NEVERNEVER perform an experiment perform an experiment without the instructor’s approval.without the instructor’s approval.– Modifications of any experiment must Modifications of any experiment must

also be approved by your instructor.also be approved by your instructor.– Use all lab equipment for its intended Use all lab equipment for its intended

purpose.purpose.

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NEVERNEVER pour or handle flammable pour or handle flammable substances near an open flame.substances near an open flame.

NEVER HEAT FLAMMABLE SUBSTANCES NEVER HEAT FLAMMABLE SUBSTANCES WITH AN OPEN FLAME.WITH AN OPEN FLAME.

NOTE: You are ALL safety officers… NOTE: You are ALL safety officers… watch your neighbor’s burner, it may be watch your neighbor’s burner, it may be too close to the flammable material too close to the flammable material you’re handling.you’re handling.

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NEVER add water toconcentrated acids

or bases.

NEVER MIX acids toconcentrated bases.

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NEVER return unused reagents to stock bottles.– Take only what you need.– Consult your instructor for proper

disposal of excess reagents and wastes !

1010

NEVER work in the laboratory

outside scheduled

time without the

instructor’s explicit permission.

NEVER have visitors in the lab

without the instructor’s

prior permission.

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DO memorize the location of eye washing DO memorize the location of eye washing facilities, showers, and fire extinguishers.facilities, showers, and fire extinguishers.

DO report all injuries, including burns, to DO report all injuries, including burns, to your instructor at once.your instructor at once.

The List of DO’S

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DO READ label and directions carefully.It is excellent practice to:• Read the label of a reagent bottle twice

•First, when REMOVING from the cart or dispensing area•Second, before USING the reagent.

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DO use the fume hood whenever DO use the fume hood whenever poisonous or irritating fumes are poisonous or irritating fumes are involved.involved.

DO recognize that relatively DO recognize that relatively harmless chemicals may be harmless chemicals may be extremely dangerous if extremely dangerous if improperly mixed or handled.improperly mixed or handled.

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DO wipe up minor spills and keep DO wipe up minor spills and keep your desk-top neat, clean, and dry.your desk-top neat, clean, and dry.

DO report all chemical spills to DO report all chemical spills to your instructor.your instructor.

DO exercise care at all times.DO exercise care at all times.

Safety is your most important responsibility to yourself and neighbor.

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Always clean up your lab station.Always clean up your lab station. Always wash your hands at the Always wash your hands at the

end of the lab period.end of the lab period.

When You are Done…

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Always handle glassware and equipment with care.Always handle glassware and equipment with care.

Students are required to return all equipment/suppliesin the condition in which they were issued to them.

Students are required to return all equipment/suppliesin the condition in which they were issued to them.

Otherwise, students will be held financially responsiblefor replacement of those items.

Otherwise, students will be held financially responsiblefor replacement of those items.

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