Gilson and Voss - Voss Associates

EQUIVALENT DOSE, EFFECTIVE DOSE, and
COMMITTED EFFECTIVE DOSE
ICRP 60 Equivalent Dose
H
T
=
R
WD
R T,R
H
T
= equivalent dose in tissue T
W
R
= radiation weighting factor
D
T,R
= absorbed dose averaged over tissue T due to
radiation R
ICRP 60 Effective Dose
E =
T
WH
T T
E = effective dose to the individual
W
T
= tissue weighting factor
H
T
= equivalent dose in tissue(s) T
ICRP 60 Committed Effective Dose
T=j T=1
E(50) =
T=i
WTH T(50) + W
remainder
T=K
mTH T(50)
T=1
T=K
mT
E(50) = committed effective dose
W
T
= tissue weighting factor for tissues & organs
i
T to
j
T
m
T
= mass of the remainder tissues
K
T to
1
T
W = 0.05 (the W assigned to the remainder tissues)
remainder
T
ICRP 23 REFERENCE MAN
Daily Water Intake = 2.2 liters / day
Breathing Rate = 2 E4 ml / min
Skin surface area = 18,000 cm 2
13
There are approximately 10 cells in the human body.
There are 140 g of potassium in standard man, 125 nCi
40
(4.625kBq) is K which results in 0.25 mrem/wk or13 mrem/yr
(2.5 ìSv/wk or 0.13 mSv/yr) to the whole body. An additional
15 mrem/yr (0.15 mSv/yr) will occur when using a salt
substitute.
Page 51
EQUIVALENT DOSE, EFFECTIVE DOSE, and
COMMITTED EFFECTIVE DOSE
ICRP 60 Equivalent Dose
H
T
=
R
WD
R T,R
H
T
= equivalent dose in tissue T
W
R
= radiation weighting factor
D
T,R
= absorbed dose averaged over tissue T due to
radiation R
ICRP 60 Effective Dose
E =
T
WH
T T
E = effective dose to the individual
W
T
= tissue weighting factor
H
T
= equivalent dose in tissue(s) T
ICRP 60 Committed Effective Dose
T=j T=1
E(50) =
T=i
WTH T(50) + W
remainder
T=K
mTH T(50)
T=1
T=K
mT
E(50) = committed effective dose
W
T
= tissue weighting factor for tissues & organs
i
T to
j
T
m
T
= mass of the remainder tissues
K
T to
1
T
W = 0.05 (the W assigned to the remainder tissues)
remainder
T
ICRP 23 REFERENCE MAN
Daily Water Intake = 2.2 liters / day
Breathing Rate = 2 E4 ml / min
Skin surface area = 18,000 cm 2
13
There are approximately 10 cells in the human body.
There are 140 g of potassium in standard man, 125 nCi
40
(4.625kBq) is K which results in 0.25 mrem/wk or13 mrem/yr
(2.5 ìSv/wk or 0.13 mSv/yr) to the whole body. An additional
15 mrem/yr (0.15 mSv/yr) will occur when using a salt
substitute.
Page 51
EQUIVALENT DOSE, EFFECTIVE DOSE, and
COMMITTED EFFECTIVE DOSE
ICRP 60 Equivalent Dose
H
T
=
R
WD
R T,R
H
T
= equivalent dose in tissue T
W
R
= radiation weighting factor
D
T,R
= absorbed dose averaged over tissue T due to
radiation R
ICRP 60 Effective Dose
E =
T
WH
T T
E = effective dose to the individual
W
T
= tissue weighting factor
H
T
= equivalent dose in tissue(s) T
ICRP 60 Committed Effective Dose
T=j T=1
E(50) =
T=i
WTH T(50) + W
remainder
T=K
mTH T(50)
T=1
T=K
mT
E(50) = committed effective dose
W
T
= tissue weighting factor for tissues & organs
i
T to
j
T
m
T
= mass of the remainder tissues
K
T to
1
T
W = 0.05 (the W assigned to the remainder tissues)
remainder
T
ICRP 23 REFERENCE MAN
Daily Water Intake = 2.2 liters / day
Breathing Rate = 2 E4 ml / min
Skin surface area = 18,000 cm 2
13
There are approximately 10 cells in the human body.
There are 140 g of potassium in standard man, 125 nCi
40
(4.625kBq) is K which results in 0.25 mrem/wk or13 mrem/yr
(2.5 ìSv/wk or 0.13 mSv/yr) to the whole body. An additional
15 mrem/yr (0.15 mSv/yr) will occur when using a salt
substitute.
Page 51
EQUIVALENT DOSE, EFFECTIVE DOSE, and
COMMITTED EFFECTIVE DOSE
ICRP 60 Equivalent Dose
H
T
=
R
WD
R T,R
H
T
= equivalent dose in tissue T
W
R
= radiation weighting factor
D
T,R
= absorbed dose averaged over tissue T due to
radiation R
ICRP 60 Effective Dose
E =
T
WH
T T
E = effective dose to the individual
W
T
= tissue weighting factor
H
T
= equivalent dose in tissue(s) T
ICRP 60 Committed Effective Dose
T=j T=1
E(50) =
T=i
WTH T(50) + W
remainder
T=K
mTH T(50)
T=1
T=K
mT
E(50) = committed effective dose
W
T
= tissue weighting factor for tissues & organs
i
T to
j
T
m
T
= mass of the remainder tissues
K
T to
1
T
W = 0.05 (the W assigned to the remainder tissues)
remainder
T
ICRP 23 REFERENCE MAN
Daily Water Intake = 2.2 liters / day
Breathing Rate = 2 E4 ml / min
Skin surface area = 18,000 cm 2
13
There are approximately 10 cells in the human body.
There are 140 g of potassium in standard man, 125 nCi
40
(4.625kBq) is K which results in 0.25 mrem/wk or13 mrem/yr
(2.5 ìSv/wk or 0.13 mSv/yr) to the whole body. An additional
15 mrem/yr (0.15 mSv/yr) will occur when using a salt
substitute.
Page 51