Lab Safety
School labs are not safe places!
Lab can not be made child-proof.
Instructions:
Always follow instructions exactly
If you don't understand ASK before you do
Know the names of the equipment you are going to use so that you can follow the directions
Approach laboratory work with maturity-no running, pushing, horseplay or practical jokes.
Don't do your own thing-without asking- NEVER perform unauthorized experiments
report problems or accidents immediately-anything out of the ordinary! No matter how minor!
know where the first aid kit is
know where the exits are
Be prepared in advance of the lab activity
NO FOOD or DRINK on the lab side of room 336-UNDER ANY CIRCUMSTANCES
Don't apply cosmetics in the lab
Clean up thoroughly and carefully
Know where the shutoff valves are for water and gas
Know where the intercom is
Learn what to do in case of specific accidents (flush acid spills with water and baking soda; flush alkali spills with water and vinegar)
Personal Safety:
Inform the teacher (Dr. G.) about any health problems which may affect labs (asthma, allergies,
epilepsy etc)
watch for loose clothing, dangling jewelry
tie back long hair (especially when working with fire)
wear glasses rather than contact lenses when working with chemicals
(or always wear goggles)
Fire Safety:
wear goggles
wear aprons
Never heat anything in a closed container
quench matches with water before discarding
Never reach across a flame
Never leave a flame unattended
Use clamps, tongs, gloves to handle hot equipment
protect glassware from direct flame with wire or asbestos screen
Keep your area clean and neat (paper burns!)
Know where the nearest fire alarm is
know where the fire blanket is; fire extinguisher; exits
Bunsen burner safety-
keep volatile chemicals away from flames
Know where the shutoff valve is
Chemical Safety:
goggles
aprons
never smell directly (waft the aroma)
never mix chemicals w/o instructions
NEVER TASTE w/o instruction
NEVER TOUCH w/o instruction
keep all lids on chemical jars tight when not in use
Dilute acids by adding the acid into the water, never the water into the acid
In case of spill notify the teacher (Dr. G.) IMMEDIATELY
[clean w/ water]
Dispose of chemicals as directed (NOT in the trash or down the sink unless instructed to do so)
Know where the chemical shower is
Eye and Face:
point test tubes away
goggles
know where the eyewash station is
Flying objects:
goggles
Sharps:
cut away from yourself
extreme care
broken glassware can both cut the skin and poison you-Do not handle glass carelessly
Do not heat wet glassware
Don't use cracked or chipped glassware (Especially don't heat it)
Heat only brand name glassware-Pyrex, Kimax
Insertion of tubing into stoppers-
lubricant (water, silicone grease)
twisting motion
Electrical Safety:
extreme care
watch cords
watch water
Contract:
2) Location and proper use of the following safety equipment:
a. Fire extinguisher
b. Fire blanket
c. Eye protection devices
d. Eyewash
e. Chemical containers
f. Master shutoff for gas and water
g. Bunsen burners
h. Electrical equipment
i. Intercom location
j. aprons
3) Safety procedures for the following situations:
a. Fire
b. Chemical splash to the body
c. Eye emergency
d. Chemical spill