french-nuclear-safety.fr/dosimetric-references PHYSICAL CHARACTERISTICS Europium-152 ( 152Eu ) ▖Radioactive half-life: 13.5 years ▖Main types of radiation emitted: b- and g Europium-154 ( 154Eu ) ▖Radioactive half-life: 8.6 years ▖Main types of radiation emitted: b- and g Europium-156 ( 156Eu ) ▖Radioactive half-life: 15.2 d ▖Main types of radiation emitted: b- and g SOURCES OF EXPOSURE ▖Calibration sources 156 Eu Europium 154 Eu Europium Europium 152 Eu Europium EMERGENCY TREATMENT Pentetate calcium trisodium No demonstrated clinical effectiveness, but usable due to its good tolerance profile. PRESENTATION Ca-DTPA 250 mg/ml, injectable solution. 4 ml vial (PCA – Central Pharmacy of the Armed Forces). DOSAGE Persons > 12 years: slow IV injection or infusion in 15 min of a half-vial of Ca-DTPA (i.e. 0.5 g), diluted in 100 to 200 ml of isotonic saline solution or 5% glucose solution, without exceeding 1 g/d. Children (< 12 years): slow IV injection or infusion 14 mg/kg, without exceeding 0.5 g/d. TREATMENTS COMPLEMENTARY TO INTRAVENOUS ADMINISTRATION ▪ Pulmonary contamination Adults – Children (to be used with caution): 1 g in a single administration by inhalation – nebulisation only (spray mist, 50/50 dilution of a 4 ml vial in sterile or saline water). ▪ Contaminated wounds Pour one or more vials over the wound. INTERNAL CONTAMINATION MEASUREMENT J Urine bioassay J Faeces bioassay J In vivo measurement DOSE COEFFICIENT REFERENCE Effective committed dose per becquerel incorporated, taken from the Order mentioned in Article R. 1333-24 of the Public Health Code: EXPOSURE RISK ▖Irradiation +++ ▖External contamination +++ ▖Internal contamination +++ RADIONUCLIDE HANDBOOK • Emergency treatment of internal contamination RH 19
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