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Gilson and Voss - Voss Associates

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DOSIMETRY<br />

1 Bq = 1 dps = 2.7 E-11 Ci<br />

1 Gy = 1 joule / kg = 100 rads<br />

H<br />

T(Sv) = D(Gy) x Q (Sv / Gy)<br />

Quality Factors (Q) values:<br />

x-rays, beta, gamma = 1<br />

neutrons: thermal = 2<br />

fast = 10<br />

alpha = 20<br />

DOSIMETRY<br />

1 Bq = 1 dps = 2.7 E-11 Ci<br />

1 Gy = 1 joule / kg = 100 rads<br />

H<br />

T(Sv) = D(Gy) x Q (Sv / Gy)<br />

Quality Factors (Q) values:<br />

x-rays, beta, gamma = 1<br />

neutrons: thermal = 2<br />

fast = 10<br />

alpha = 20<br />

DOSE EQUIVALENT CALCULATIONS<br />

1 Roentgen = 2.58E-4C / kg or 1 esu / cm 3<br />

= 87 ergs / g or 2.082 E9 ip / cm 3<br />

=<br />

3<br />

7.02 E4 MeV / cm in air @ STP<br />

or = 98 ergs / g in tissue<br />

1 R/hr ~ 1 E-13 Amperes / cm 3<br />

1 rad = 100 ergs / g in any absorber<br />

ñ<br />

air<br />

= 0.001293 g / cm 3<br />

W<br />

air<br />

= 33.7 eV<br />

1 Ampere = 1 Coulomb / sec<br />

0 2 0<br />

STP<br />

air<br />

= 760mm Hg @ 0 C or 14.7lb / in @ 32 F<br />

DOSE EQUIVALENT CALCULATIONS<br />

1 Roentgen = 2.58E-4C / kg or 1 esu / cm 3<br />

= 87 ergs / g or 2.082 E9 ip / cm 3<br />

=<br />

3<br />

7.02 E4 MeV / cm in air @ STP<br />

or = 98 ergs / g in tissue<br />

1 R/hr ~ 1 E-13 Amperes / cm 3<br />

1 rad = 100 ergs / g in any absorber<br />

ñ<br />

air<br />

= 0.001293 g / cm 3<br />

W<br />

air<br />

= 33.7 eV<br />

1 Ampere = 1 Coulomb / sec<br />

0 2 0<br />

STP<br />

air<br />

= 760mm Hg @ 0 C or 14.7lb / in @ 32 F<br />

Page 48<br />

Page 48<br />

DOSIMETRY<br />

1 Bq = 1 dps = 2.7 E-11 Ci<br />

1 Gy = 1 joule / kg = 100 rads<br />

H<br />

T(Sv) = D(Gy) x Q (Sv / Gy)<br />

Quality Factors (Q) values:<br />

x-rays, beta, gamma = 1<br />

neutrons: thermal = 2<br />

fast = 10<br />

alpha = 20<br />

DOSIMETRY<br />

1 Bq = 1 dps = 2.7 E-11 Ci<br />

1 Gy = 1 joule / kg = 100 rads<br />

H<br />

T(Sv) = D(Gy) x Q (Sv / Gy)<br />

Quality Factors (Q) values:<br />

x-rays, beta, gamma = 1<br />

neutrons: thermal = 2<br />

fast = 10<br />

alpha = 20<br />

DOSE EQUIVALENT CALCULATIONS<br />

1 Roentgen = 2.58E-4C / kg or 1 esu / cm 3<br />

= 87 ergs / g or 2.082 E9 ip / cm 3<br />

=<br />

3<br />

7.02 E4 MeV / cm in air @ STP<br />

or = 98 ergs / g in tissue<br />

1 R/hr ~ 1 E-13 Amperes / cm 3<br />

1 rad = 100 ergs / g in any absorber<br />

ñ<br />

air<br />

= 0.001293 g / cm 3<br />

W<br />

air<br />

= 33.7 eV<br />

1 Ampere = 1 Coulomb / sec<br />

0 2 0<br />

STP<br />

air<br />

= 760mm Hg @ 0 C or 14.7lb / in @ 32 F<br />

DOSE EQUIVALENT CALCULATIONS<br />

1 Roentgen = 2.58E-4C / kg or 1 esu / cm 3<br />

= 87 ergs / g or 2.082 E9 ip / cm 3<br />

=<br />

3<br />

7.02 E4 MeV / cm in air @ STP<br />

or = 98 ergs / g in tissue<br />

1 R/hr ~ 1 E-13 Amperes / cm 3<br />

1 rad = 100 ergs / g in any absorber<br />

ñ<br />

air<br />

= 0.001293 g / cm 3<br />

W<br />

air<br />

= 33.7 eV<br />

1 Ampere = 1 Coulomb / sec<br />

0 2 0<br />

STP<br />

air<br />

= 760mm Hg @ 0 C or 14.7lb / in @ 32 F<br />

Page 48<br />

Page 48

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