title: Derivation and validation of a urinary excretion function for plutonium based on occupational exposure.
abstract: Formation of a three-component urinary excretion function using the data of occupational exposure cases is described. Measurement results of plutonium inhalation from two subjects over 6000 and 2500 d are used in the derivation of this function. The three-component excretion function obtained is U(t) = 0.0008e(-0.0566(t)) + 0.00009e(-0.0042(t)) + 0.00004e(-0.00008(t)). The function is therefore proposed as a reliable basis to make an uptake assessment for operational control for mixed class of plutonium dominated by M-class chronic exposure.
authors.affiliation: Health Physics Laboratory, Bhabha Atomic Research Centre, GSO Complex, Tarapur-401 504, Thane (Dist), Maharashtra state, India. yadav_jogendra@rediffmail.com
authors.forename: J R
authors.initials: JR
authors.lastname: Yadav
authors.forename: D D
authors.initials: DD
authors.lastname: Rao
authors.forename: A G
authors.initials: AG
authors.lastname: Hegde
authors.forename: S K
authors.initials: SK
authors.lastname: Aggarwal
mesh_terms: D000398:Air Pollution, Radioactive / Q000032:analysis*; D002614:Chelating Agents / Q000627:therapeutic use; D003198:Computer Simulation; D006801:Humans; D019570:Inhalation Exposure / Q000032:analysis*; D016273:Occupational Exposure; D004369:Pentetic Acid / Q000627:therapeutic use; D011005:Plutonium / Q000493:pharmacokinetics* / Q000652:urine*; D011210:Power Plants; D011832:Radiation Injuries / Q000209:etiology / Q000517:prevention & control; D011834:Radiation Monitoring / Q000379:methods*
chemical_list: D002614:Chelating Agents; D011005:Plutonium; D004369:Pentetic Acid