Health and Safety Flashcards
what are the 4 main laboratory dangers
chemical, physical, biological and radiation
what are corrosives
strong alkalis and acids
examples of strong alkalis
NaOH and KOH @1M
examples of acids
HCl and HNO3 @1M
How can poisons hurt you
internalisation routes and quantity/concentration of the poison
examples of internalisation routes
swallowing, inhalation and skin
what do teratogens do
causes physical malformations in fetus
what do mutagens do
causes permanent (heritable) mutation of germ line/cell
what do carcinogens do
causes cancer
3 outcomes when mixing incompatible chemicals together
explosive reactions, toxic substance production and flammables
what are the 4 labelling for waste disposal
corrosive, toxic, hazardous and irritant
the 4 stages of disposing waste
classify waste, identify waste steam, treat/package waste, dispose waste
what are the colours for the different types of waste
animal (yellow), clinical (orange), radioactive (green), domestic (black), solvent (store)
what do you do if equipment is broken/faulty
tell a supervisor/technician
when working with biological hazards (animal/human), what do you have to be aware of
pathogens/infections and allergens (fur, saliva, skin)
what containment level when handling human blood
CL2
before disposing biological waste, what should you do
sterilise the waste
example of a radioactive chemical
isotopes (alpha, beta and gamma rays)
what kind of shielding do you need for beta and gamma radiation
beta - perspex
gamma - lead
what is the procedure when you spill radioactive ssubstance
soak the spillage and mark the area of the spillage with a pen then report the accident to a supervisor/local radiation protection adviser
what are the four different fire extinguishers
water, foam, CO2 and powder
what is the black fire extinguisher for
CO2 - small fires, especially electrical
what is the blue fire extinguisher for
dry powder - for all fires
what is the white fire extinguisher for
water - for large fires, wood, paper, textiles
