EQUIVALENT DOSE, EFFECTIVE DOSE, and
COMMITTED EFFECTIVE DOSE
ICRP 60 Equivalent Dose
T
R
R T,R
H
=
3
W D
T
H
= equivalent dose in tissue T
R
W
= radiation weighting factor
T,R
D
= absorbed dose averaged over tissue T due to
radiation R
ICRP 60 Effective Dose
T
T T
E
=
3
W H
E
= effective dose to the individual
T
W
= tissue weighting factor
T
H
= equivalent dose in tissue(s) T
ICRP 60 Committed Effective Dose
T=i
T T
remainder
T=K
T T
E(50) =
3
W H (50) + W
3
m H (50)
T=j
T=1
T=K
T
3
m
T=1
E(50) = committed effective dose
T
i
j
W
= tissue weighting factor for tissues & organs T to T
T
K
1
m
= mass of the remainder tissues T to T
remainder
T
W
= 0.05 (the W assigned to the remainder tissues)
ICRP 23 REFERENCE MAN
Daily Water Intake =
2.2 liters / day
Breathing Rate
=
2 E4 ml / min
Skin surface area
=
18,000 cm
2
There are approximately 10 cells in the human body.
13
There are 140 g of potassium in reference man, 125 nCi
(4.625kBq) is K which results in 0.25 mrem/wk or13
40
mrem/yr (2.5
ì
Sv/wk or 0.13 mSv/yr) to the whole body.
EQUIVALENT DOSE, EFFECTIVE DOSE, and
COMMITTED EFFECTIVE DOSE
ICRP 60 Equivalent Dose
T
R
R T,R
H
=
3
W D
T
H
= equivalent dose in tissue T
R
W
= radiation weighting factor
T,R
D
= absorbed dose averaged over tissue T due to
radiation R
ICRP 60 Effective Dose
T
T T
E
=
3
W H
E
= effective dose to the individual
T
W
= tissue weighting factor
T
H
= equivalent dose in tissue(s) T
ICRP 60 Committed Effective Dose
T=i
T T
remainder
T=K
T T
E(50) =
3
W H (50) + W
3
m H (50)
T=j
T=1
T=K
T
3
m
T=1
E(50) = committed effective dose
T
i
j
W
= tissue weighting factor for tissues & organs T to T
T
K
1
m
= mass of the remainder tissues T to T
remainder
T
W
= 0.05 (the W assigned to the remainder tissues)
ICRP 23 REFERENCE MAN
Daily Water Intake =
2.2 liters / day
Breathing Rate
=
2 E4 ml / min
Skin surface area
=
18,000 cm
2
There are approximately 10 cells in the human body.
13
There are 140 g of potassium in reference man, 125 nCi
(4.625kBq) is K which results in 0.25 mrem/wk or13
40
mrem/yr (2.5
ì
Sv/wk or 0.13 mSv/yr) to the whole body.
EQUIVALENT DOSE, EFFECTIVE DOSE, and
COMMITTED EFFECTIVE DOSE
ICRP 60 Equivalent Dose
T
R
R T,R
H
=
3
W D
T
H
= equivalent dose in tissue T
R
W
= radiation weighting factor
T,R
D
= absorbed dose averaged over tissue T due to
radiation R
ICRP 60 Effective Dose
T
T T
E
=
3
W H
E
= effective dose to the individual
T
W
= tissue weighting factor
T
H
= equivalent dose in tissue(s) T
ICRP 60 Committed Effective Dose
T=i
T T
remainder
T=K
T T
E(50) =
3
W H (50) + W
3
m H (50)
T=j
T=1
T=K
T
3
m
T=1
E(50) = committed effective dose
T
i
j
W
= tissue weighting factor for tissues & organs T to T
T
K
1
m
= mass of the remainder tissues T to T
remainder
T
W
= 0.05 (the W assigned to the remainder tissues)
ICRP 23 REFERENCE MAN
Daily Water Intake =
2.2 liters / day
Breathing Rate
=
2 E4 ml / min
Skin surface area
=
18,000 cm
2
There are approximately 10 cells in the human body.
13
There are 140 g of potassium in reference man, 125 nCi
(4.625kBq) is K which results in 0.25 mrem/wk or13
40
mrem/yr (2.5
ì
Sv/wk or 0.13 mSv/yr) to the whole body.
EQUIVALENT DOSE, EFFECTIVE DOSE, and
COMMITTED EFFECTIVE DOSE
ICRP 60 Equivalent Dose
T
R
R T,R
H
=
3
W D
T
H
= equivalent dose in tissue T
R
W
= radiation weighting factor
T,R
D
= absorbed dose averaged over tissue T due to
radiation R
ICRP 60 Effective Dose
T
T T
E
=
3
W H
E
= effective dose to the individual
T
W
= tissue weighting factor
T
H
= equivalent dose in tissue(s) T
ICRP 60 Committed Effective Dose
T=i
T T
remainder
T=K
T T
E(50) =
3
W H (50) + W
3
m H (50)
T=j
T=1
T=K
T
3
m
T=1
E(50) = committed effective dose
T
i
j
W
= tissue weighting factor for tissues & organs T to T
T
K
1
m
= mass of the remainder tissues T to T
remainder
T
W
= 0.05 (the W assigned to the remainder tissues)
ICRP 23 REFERENCE MAN
Daily Water Intake =
2.2 liters / day
Breathing Rate
=
2 E4 ml / min
Skin surface area
=
18,000 cm
2
There are approximately 10 cells in the human body.
13
There are 140 g of potassium in reference man, 125 nCi
(4.625kBq) is K which results in 0.25 mrem/wk or13
40
mrem/yr (2.5
ì
Sv/wk or 0.13 mSv/yr) to the whole body.