lecture 3

Question 1

raw radiation

Answer 1

how much it decays over time
amount of radiation produced and how fast it falls apart
currie or becquerel

Question 2

amount of radiation energy absorbed

Answer 2

Gray = J/kg usually in bodyweight
Roentgen (rg) - c/kg
neither discuss waht type of decay it is

Question 3

alpha and beta radiation

Answer 3

worry about beta and alpha particles
alpha is 20x worse than beta
alpha doesnt go far but beta will penetrate deeper
sieverts - units of rem

Question 4

how much radiation can we absorb

Answer 4

50 millisieverts a year is considered normal

Question 5

thoron

Answer 5

particular isotope of radon
decays to 220radon
noble gas and volatile so its hard to remove and hard to detect

Question 6

radon gas

Answer 6

leading cause of lung cancer for non smokers

north and south dakota have high amounts

Question 7

Geological repository (nuclear waste)

Answer 7

benefit is you dont have to worry about it when its in ground but it cant be taken out
will it get into ground water?
currently placed in arrid areas

Question 8

PUREX storage tunnel

Answer 8

wood decayed from radioactive exposure i washington and exposed higher radioactive levels
collapsed when it was 50 years old