Gilson and Voss - Voss Associates

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INTERNAL DOSIMETRY Calculating CDE and CEDE ICRP 26/30 CDE = I / nALI x 50 rem (0.5 Sv) nALI is the nonstochastic ALI CDE = 50 yr committed dose equivalent to irradiated tissue I = Intake nALI = non-stochastic ALI = 50 rem (0.5 Sv)/ h max h max = greatest dose equivalent found in the exposure-to-dose conversion tables CEDE = I / sALI x 5 rem (50 mSv) sALI is the stochastic ALI CEDE = 50 yr committed effective dose equivalent n OR CEDE = i=1 WT CEDE = 50 yr committed effective dose equivalent to individual tissue W T = tissue weighting factor Effective Dose Equivalent EDE = H E = WTHT D.E. rate (Sv / hr) = 0.15 A(TBq)E / r 2 Calculating DAC and DAC-hours DAC = ALI / 2000 hr at 1.2 E6 ml / hr 1 DAC-h = 2.5 mrem (25 ìSv) CEDE if based on sALI OR 25 mrem (0.25 mSv) ref ICRP 26 CDE to an organ or tissue if based on nALI DAC Fraction = i(concentration / DAC)/PF DAC fraction x time (hours) = DAC-hours INTERNAL DOSIMETRY Intake I(Bq) = A t(Bq) / IRFt Body burden q t = q0e -ë eff t CEDE or H 50 = 50 mSv (5 rem) x I / ALI TEDE = CEDE + Deep Dose Equivalent Page 49 INTERNAL DOSIMETRY Calculating CDE and CEDE ICRP 26/30 CDE = I / nALI x 50 rem (0.5 Sv) nALI is the nonstochastic ALI CDE = 50 yr committed dose equivalent to irradiated tissue I = Intake nALI = non-stochastic ALI = 50 rem (0.5 Sv)/ h max h max = greatest dose equivalent found in the exposure-to-dose conversion tables CEDE = I / sALI x 5 rem (50 mSv) sALI is the stochastic ALI CEDE = 50 yr committed effective dose equivalent n OR CEDE = i=1 WT CEDE = 50 yr committed effective dose equivalent to individual tissue W T = tissue weighting factor Effective Dose Equivalent EDE = H E = WTHT D.E. rate (Sv / hr) = 0.15 A(TBq)E / r 2 Calculating DAC and DAC-hours DAC = ALI / 2000 hr at 1.2 E6 ml / hr 1 DAC-h = 2.5 mrem (25 ìSv) CEDE if based on sALI OR 25 mrem (0.25 mSv) ref ICRP 26 CDE to an organ or tissue if based on nALI DAC Fraction = i(concentration / DAC)/PF DAC fraction x time (hours) = DAC-hours INTERNAL DOSIMETRY Intake I(Bq) = A t(Bq) / IRFt Body burden q t = q0e -ë eff t CEDE or H 50 = 50 mSv (5 rem) x I / ALI TEDE = CEDE + Deep Dose Equivalent Page 49 INTERNAL DOSIMETRY Calculating CDE and CEDE ICRP 26/30 CDE = I / nALI x 50 rem (0.5 Sv) nALI is the nonstochastic ALI CDE = 50 yr committed dose equivalent to irradiated tissue I = Intake nALI = non-stochastic ALI = 50 rem (0.5 Sv)/ h max h max = greatest dose equivalent found in the exposure-to-dose conversion tables CEDE = I / sALI x 5 rem (50 mSv) sALI is the stochastic ALI CEDE = 50 yr committed effective dose equivalent n OR CEDE = i=1 WT CEDE = 50 yr committed effective dose equivalent to individual tissue W T = tissue weighting factor Effective Dose Equivalent EDE = H E = WTHT D.E. rate (Sv / hr) = 0.15 A(TBq)E / r 2 Calculating DAC and DAC-hours DAC = ALI / 2000 hr at 1.2 E6 ml / hr 1 DAC-h = 2.5 mrem (25 ìSv) CEDE if based on sALI OR 25 mrem (0.25 mSv) ref ICRP 26 CDE to an organ or tissue if based on nALI DAC Fraction = i(concentration / DAC)/PF DAC fraction x time (hours) = DAC-hours INTERNAL DOSIMETRY Intake I(Bq) = A t(Bq) / IRFt Body burden q t = q0e -ë eff t CEDE or H 50 = 50 mSv (5 rem) x I / ALI TEDE = CEDE + Deep Dose Equivalent Page 49 INTERNAL DOSIMETRY Calculating CDE and CEDE ICRP 26/30 CDE = I / nALI x 50 rem (0.5 Sv) nALI is the nonstochastic ALI CDE = 50 yr committed dose equivalent to irradiated tissue I = Intake nALI = non-stochastic ALI = 50 rem (0.5 Sv)/ h max h max = greatest dose equivalent found in the exposure-to-dose conversion tables CEDE = I / sALI x 5 rem (50 mSv) sALI is the stochastic ALI CEDE = 50 yr committed effective dose equivalent n OR CEDE = i=1 WT CEDE = 50 yr committed effective dose equivalent to individual tissue W T = tissue weighting factor Effective Dose Equivalent EDE = H E = WTHT D.E. rate (Sv / hr) = 0.15 A(TBq)E / r 2 Calculating DAC and DAC-hours DAC = ALI / 2000 hr at 1.2 E6 ml / hr 1 DAC-h = 2.5 mrem (25 ìSv) CEDE if based on sALI OR 25 mrem (0.25 mSv) ref ICRP 26 CDE to an organ or tissue if based on nALI DAC Fraction = i(concentration / DAC)/PF DAC fraction x time (hours) = DAC-hours INTERNAL DOSIMETRY Intake I(Bq) = A t(Bq) / IRFt Body burden q t = q0e -ë eff t CEDE or H 50 = 50 mSv (5 rem) x I / ALI TEDE = CEDE + Deep Dose Equivalent Page 49
INTERNAL DOSIMETRY Effective Half-Life t eff = t r x t b / (t r + t b) where; t r = radioactive half-life t = biological half-life b Effective Removal Constant ë eff = ë r + ëb where; ë r = decay constant = 0.693 / t½ ë = biological removal constant -0.693 / t b Calculating Internal Dose (ICRP 30) H 50 (TS) = (1.6E-10)U S SEE(TS) H 50 = 50 year dose equivalent commitment in sieverts where SEE is the Specific Effective Energy modified by a quality factor for radiation absorbed in the target organ (T) for each transformation in the source organ (S) expressed in MeV/g. b INTERNAL DOSIMETRY Effective Half-Life t eff = t r x t b / (t r + t b) where; t r = radioactive half-life t = biological half-life b Effective Removal Constant ë eff = ë r + ëb where; ë r = decay constant = 0.693 / t½ ë = biological removal constant -0.693 / t b Calculating Internal Dose (ICRP 30) H 50 (TS) = (1.6E-10)U S SEE(TS) H 50 = 50 year dose equivalent commitment in sieverts where SEE is the Specific Effective Energy modified by a quality factor for radiation absorbed in the target organ (T) for each transformation in the source organ (S) expressed in MeV/g. b SEE = YEAFQ/M T where; Y = yield of radiations per transformation E = average energy of the radiation AF = absorbed fraction of energy absorbed in the target organ (T) per emission of radiation in the source organ (S) Q = quality factor M T = mass of the target organ U S = number of nuclear transformations in the source organ (S) during the time interval for which the dose is to be calculated SEE = YEAFQ/M T where; Y = yield of radiations per transformation E = average energy of the radiation AF = absorbed fraction of energy absorbed in the target organ (T) per emission of radiation in the source organ (S) Q = quality factor M T = mass of the target organ U S = number of nuclear transformations in the source organ (S) during the time interval for which the dose is to be calculated Page 50 Page 50 INTERNAL DOSIMETRY Effective Half-Life t eff = t r x t b / (t r + t b) where; t r = radioactive half-life t = biological half-life b Effective Removal Constant ë eff = ë r + ëb where; ë r = decay constant = 0.693 / t½ ë = biological removal constant -0.693 / t b Calculating Internal Dose (ICRP 30) H 50 (TS) = (1.6E-10)U S SEE(TS) H 50 = 50 year dose equivalent commitment in sieverts where SEE is the Specific Effective Energy modified by a quality factor for radiation absorbed in the target organ (T) for each transformation in the source organ (S) expressed in MeV/g. b INTERNAL DOSIMETRY Effective Half-Life t eff = t r x t b / (t r + t b) where; t r = radioactive half-life t = biological half-life b Effective Removal Constant ë eff = ë r + ëb where; ë r = decay constant = 0.693 / t½ ë = biological removal constant -0.693 / t b Calculating Internal Dose (ICRP 30) H 50 (TS) = (1.6E-10)U S SEE(TS) H 50 = 50 year dose equivalent commitment in sieverts where SEE is the Specific Effective Energy modified by a quality factor for radiation absorbed in the target organ (T) for each transformation in the source organ (S) expressed in MeV/g. b SEE = YEAFQ/M T where; Y = yield of radiations per transformation E = average energy of the radiation AF = absorbed fraction of energy absorbed in the target organ (T) per emission of radiation in the source organ (S) Q = quality factor M T = mass of the target organ U S = number of nuclear transformations in the source organ (S) during the time interval for which the dose is to be calculated SEE = YEAFQ/M T where; Y = yield of radiations per transformation E = average energy of the radiation AF = absorbed fraction of energy absorbed in the target organ (T) per emission of radiation in the source organ (S) Q = quality factor M T = mass of the target organ U S = number of nuclear transformations in the source organ (S) during the time interval for which the dose is to be calculated Page 50 Page 50
Page 1 and 2: HANDBOOK OF RADIATION DATA HANDBOOK
Page 3 and 4: Abbreviations 115 Activity vs Expos
Page 5 and 6: EMERGENCY RESPONSE SWIMS for Radiol
Page 7 and 8: Major Injuries Occurring in Hazardo
Page 9 and 10: ACUTE RADIATION EFFECTS ACUTE RADIA
Page 11 and 12: CONTAMINATED / INJURED PERSON FORM
Page 13 and 14: Z Density Z Density 76 Osmium Os 22
Page 15 and 16: Radioactive Decay Radioactive Decay
Page 17 and 18: Progeny kev and % abundance 41 Ar 4
Page 19 and 20: Progeny kev and % abundance 65 Ni 6
Page 21 and 22: Progeny kev and % abundance 134 I 1
Page 23 and 24: Progeny kev and % abundance 220 216
Page 25 and 26: Progeny kev and % abundance 234 Th
Page 27 and 28: Thorium-232 Decay Chain including t
Page 29 and 30: Uranium-238 Decay (including Radon
Page 31 and 32: Progeny kev and % abundance Progeny
Page 33 and 34: Progeny kev and % abundance 225 Ra
Page 35 and 36: Progeny kev and % abundance Progeny
Page 37 and 38: Rem/hr / Ci Sv/hr / GBq Half-Life C
Page 47 and 48: Gamma exposure at 30 cm vs Particle
Page 49 and 50: Activity in DPM vs Particle Size in
Page 51: DOSIMETRY 1 Bq = 1 dps = 2.7 E-11 C
Page 55 and 56: 1 RADIATION WEIGHTING FACTORS (ICRP
Page 57 and 58: RADIATION INTERACTIONS Charged Part
Page 59 and 60: CALCULATING NEUTRON SHIELD THICKNES
Page 61 and 62: Neutron and Gamma Shielding SIMPLIF
Page 63 and 64: Shallow Dose Correction Factor In a
Page 65 and 66: Photon Fluence Rate ö from a Point
Page 67 and 68: A comparison of signal levels for v
Page 69 and 70: INSTRUMENT SELECTION AND USE Exposu
Page 71 and 72: Airborne Radioactivity (long-lived)
Page 73 and 74: AIR MONITORING Concentration Concen
Page 75 and 76: Filter Media Characteristics for Al
Page 77 and 78: 10CFR20 DAC 10CFR835 DAC 10CFR20 AL
Page 103 and 104:
10CFR20 DAC 10CFR835 DAC 10CFR20 AL
Page 105 and 106:
STCs = Special Tritium Compounds 1
Page 107 and 108:
Z # K K L L 96 Cm 109.10 123.24 14.
Page 109 and 110:
Z # K K L L 45 Rh 20.21 22.72 2.70
Page 111 and 112:
MDA when background and sample coun
Page 113 and 114:
ELEVATIONS OF MAJOR AIRPORTS AND FA
Page 115 and 116:
INTERNATIONAL AIRPORT ELEVATIONS (F
Page 117 and 118:
SI and US “Traditional” Units A
Page 119 and 120:
CONVERSION OF UNITS Length 1 angstr
Page 121 and 122:
Radiological 1 rad = 100 ergs / g 1
Page 123 and 124:
Power 1 joule/sec = 1E7 ergs/sec 1
Page 125 and 126:
SURFACE AREA AND VOLUME CALCULATION
Page 127 and 128:
RULES OF THUMB FOR ALPHA PARTICLES
Page 129 and 130:
RULES OF THUMB FOR BETA PARTICLES 1
Page 131 and 132:
RULES OF THUMB FOR GAMMA RADIATION
Page 133 and 134:
APPROXIMATE NEUTRON ENERGIES cold n
Page 135 and 136:
Energy & Yield of neutrons from the
Page 137 and 138:
Isotopic Mix of WG Pu 238 Pu 239 Pu
Page 139 and 140:
Neutron exposure rate from the oxid
Page 141 and 142:
Isotopic Mix of 20% Enriched U 238
Page 143 and 144:
UNITS AND TERMINOLOGY “Special Un
Page 145 and 146:
RADON FACTS 1 working level = 222 3
Page 147 and 148:
Relative Risk Your overall risk of
Page 149 and 150:
Advanced Radiation Instrumentation
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