Common Laboratory Accidents NatureCauses Small cuts caused by eg test tubes or glass tubing tools eg dissecting instruments cork borer or cutter or sharp edges 1 Cuts ID: 380397
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Slide1
Freshman Biotechnology Shop
Common Laboratory AccidentsSlide2
Nature/Causes:
Small cuts caused by
____________(e.g. test tubes, or glass tubing), tools (e.g. dissecting instruments, cork borer or cutter) or sharp edges.
1. Cuts
Notify the instructor of any cuts and know the location of the __________and __________!!Slide3
Safety Precautions:
Be sure to handle sharp instruments (e.g. razor blades, scalpels) with care and
____________________. Unwanted razor blades and mounting needles should be _______________before
disposal.Glassware showing signs of __________or those with broken edges should
_______________for experiments. Broken pieces of glass should be ______________________________assigned for such purpose (referred to as _______________) and never into a general
trash container.Avoiding CutsSlide4
Nature/Causes:
Carelessness in handling
_______________(e.g. tripods, glassware, metal rods/plates, crucibles or combustion spoons), __________, __________or __________.
2. Heat burns/scalds
Notify the instructor of any burns/scalds and know the location of the _______________!!Slide5
Safety Precautions:
Do not touch or hold hot objects with
__________. Crucible tongs or _______________should be used when picking up
__________. Place them on a heat-resistant mat, not directly on the bench, for cooling. Heat-resistant gloves should be worn when operating the
__________.Burners, wire gauzes and tripods remain hot for some time after use. They should also be _______________. Turn off _______________that
will not be used for some time. Arms or any parts of the body should not be ___________________. Long hair should be
__________and
loose-fit clothing avoided.
Do not apply ointments or any other chemicals to the injured area of heat burn. Use the
_______________.
Avoiding burns/scaldsSlide6
Nature/Causes:
Spillage of
__________ during transfer or heating of chemical liquids, washing up of apparatus containing _______________, opening the container of chemical or breakage of glass containers.
Mischievous behavior or ___________ to others.
Incorrect techniques utilized.3. Chemical on skin
Notify the instructor of any chemical spills and know the location of the _______________!!Slide7
Safety Precautions:
___________
should always be handled with great care. Avoid direct skin contact when transferring chemicals.
_______________ should be worn when chemicals are handled.
Proper laboratory __________ should be used for handling chemical solids. All chemicals should __________________. Wash hands after handling chemicals and
___________________ .Do not fill substance to be heated in glassware as it can boil over. Always keep mouth of glassware __________________ and skin.
Avoiding chemical on skinSlide8
Causes/Nature:
Chemical liquids or solids which splashed onto the eyes, giving rise to
__________________ . Unintentionally _______________ with
hands contaminated with chemicals. Looking at bright light through a magnifying
glass or _________________.4. Eye accidents
Notify the instructor of any eye injuries and know the location of the __________________!!Slide9
Safety Precautions:
Eye injuries can be very damaging and hence for accidents involving the eyes,
__________ should be sought immediately and the cases reported to the nurse as soon as possible.
Always wear _______________ during experiments.
Wear safety glasses even when observing science experiments demonstrated by the teacher and when ____________________ or instrumentation.Avoiding eye accidentsSlide10
Nature/Causes:
Accidental ignition of
_______________ (e.g. ethanol or ethyl ethanoate). Ignition of gas coming out from
_______________ .
5. Fire
Notify the instructor of any fires and know the location of the _______________ and _______________!! Also, know the fire drill procedure!!!Slide11
Safety Precautions:
For
flammable chemicals, heating should always be done using a _______________ with no open flame nearby. The quantity of
_______________ used during experiments should be kept to a minimum. Care should be taken when handling any flammable chemicals or
______________ .Avoiding FiresSlide12
How to Use the Fire ExtinguishersSlide13
Exit in a __________ and __________ manner.
Stay together as a class.
Proceed to _______________ between our building and main building.Line up _________________ .
Instructor will take attendance.Instructor will hold up __________ if all students are present and __________ if not.
Remain in designated area until notified otherwise.Fire Drill ProcedureSlide14
Nature/Causes:
Discomfort after inhaling a small amount of gas/
vapour (e.g. sulphur dioxide, bromine or ammonia) from _______________.
6. Inhalation of gases
Notify the instructor if any gases have been inhaled and know the location of the _____________________!!Slide15
Safety Precautions:
Experiments involving harmful gases/vapor should be done on a small scale and inside a
_______________. Good ventilation of the laboratory should always be maintained by
_______________, switching on the exhaust fans as appropriate. It is helpful to leave the fan of the fume hood operating during the whole practical lesson when these experiments are being done.
When testing for the odor of a gas, fan the gas gently to the nose but not smell it __________________ .__________ should not
smell harmful or irritating gases/vapor.Avoiding inhalation of gasesSlide16
Nature/Causes:
Exposed or
__________ wires.Liquids near receptacles or _______________ .
7. Electrical shock
Notify the instructor of any electrical shocks and know the
_______________ for
injuries (will be developed in our Emergency Plan)!!Slide17
Safety Precautions:
If any wires are frayed or exposed on instrumentation, notify instructor immediately for
___________________ .Do not operate electrical instruments __________ .
Be careful of _______________ near receptacles.
Make sure _______________ are dry prior to plugging in.Avoiding electrical shockSlide18
Nature/Causes:
__________
on the floor.Objects in __________ .
8. Slips and falls
Notify the instructor of any slips or falls and know
the ___________________ in
the classroom!!Slide19
Safety Precautions:
Clean up any spills
__________ immediately.Keep all objects off of the floor and any bags in your _________________ .
Avoiding slips and fallsSlide20
Biotechnology is fun but can be dangerous so be sure to
_______________ and __________ !!!
Remember!!!