Freshman Biotechnology Shop - PowerPoint Presentation

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!!!