DOSIMETRY
1 Bq = 1 dps = 2.7 E-11 Ci
1 Gy = 1 joule / kg = 100 rads
T
H (Sv) = D(Gy) x Q (Sv / Gy)
Quality Factors (Q) values:
x-rays, beta, gamma = 1
neutrons: thermal = 2
fast = 10
alpha = 20
DOSE EQUIVALENT CALCULATIONS
1 Roentgen = 2.58E-4C / kg or 1 esu / cm
3
= 87 ergs / g or 2.082 E9 ip / cm
3
= 7.02 E4 MeV / cm in air @ STP
3
or = 98 ergs / g in tissue
1 R/hr ~ 1 E-13 Amperes / cm
3
1 rad = 100 ergs / g in any absorber
air
ñ = 0.001293 g / cm
3
air
W = 33.7 eV
1 Ampere = 1 Coulomb / sec
air
STP = 760mm Hg @ 0 C or 14.7lb / in @ 32 F
020
46
DOSIMETRY
1 Bq = 1 dps = 2.7 E-11 Ci
1 Gy = 1 joule / kg = 100 rads
T
H (Sv) = D(Gy) x Q (Sv / Gy)
Quality Factors (Q) values:
x-rays, beta, gamma = 1
neutrons: thermal = 2
fast = 10
alpha = 20
DOSE EQUIVALENT CALCULATIONS
1 Roentgen = 2.58E-4C / kg or 1 esu / cm
3
= 87 ergs / g or 2.082 E9 ip / cm
3
= 7.02 E4 MeV / cm in air @ STP
3
or = 98 ergs / g in tissue
1 R/hr ~ 1 E-13 Amperes / cm
3
1 rad = 100 ergs / g in any absorber
air
ñ = 0.001293 g / cm
3
air
W = 33.7 eV
1 Ampere = 1 Coulomb / sec
air
STP = 760mm Hg @ 0 C or 14.7lb / in @ 32 F
020
46
DOSIMETRY
1 Bq = 1 dps = 2.7 E-11 Ci
1 Gy = 1 joule / kg = 100 rads
T
H (Sv) = D(Gy) x Q (Sv / Gy)
Quality Factors (Q) values:
x-rays, beta, gamma = 1
neutrons: thermal = 2
fast = 10
alpha = 20
DOSE EQUIVALENT CALCULATIONS
1 Roentgen = 2.58E-4C / kg or 1 esu / cm
3
= 87 ergs / g or 2.082 E9 ip / cm
3
= 7.02 E4 MeV / cm in air @ STP
3
or = 98 ergs / g in tissue
1 R/hr ~ 1 E-13 Amperes / cm
3
1 rad = 100 ergs / g in any absorber
air
ñ = 0.001293 g / cm
3
air
W = 33.7 eV
1 Ampere = 1 Coulomb / sec
air
STP = 760mm Hg @ 0 C or 14.7lb / in @ 32 F
020
46
DOSIMETRY
1 Bq = 1 dps = 2.7 E-11 Ci
1 Gy = 1 joule / kg = 100 rads
T
H (Sv) = D(Gy) x Q (Sv / Gy)
Quality Factors (Q) values:
x-rays, beta, gamma = 1
neutrons: thermal = 2
fast = 10
alpha = 20
DOSE EQUIVALENT CALCULATIONS
1 Roentgen = 2.58E-4C / kg or 1 esu / cm
3
= 87 ergs / g or 2.082 E9 ip / cm
3
= 7.02 E4 MeV / cm in air @ STP
3
or = 98 ergs / g in tissue
1 R/hr ~ 1 E-13 Amperes / cm
3
1 rad = 100 ergs / g in any absorber
air
ñ = 0.001293 g / cm
3
air
W = 33.7 eV
1 Ampere = 1 Coulomb / sec
air
STP = 760mm Hg @ 0 C or 14.7lb / in @ 32 F
020
46