%A"Zupan, M" %A"Miklavzic, U" %A"Pucelj, B [Institut Jozef Stefan, Ljubljana (Yugoslavia)]" %D1982 %ISociety for Electronics,Telecommunications, Automation, and Nuclear Engineering, Belgrade (Yugoslavia); %2 %J[] %K46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY, ABSOLUTE COUNTING, AEROSOLS, AIR FILTERS, CALIBRATION, CALIBRATION STANDARDS, CHARCOAL, IODINE 131, LI-DRIFTED DETECTORS, RADIATION MONITORING %PMedium: ED; Size: 7 pages %TCalibration of filters for detection of airborne I-131 in the environment of nuclear power plant; Kalibracija filtrov za detekcijo I-131 v zraku okolja jedrske elektrarne %XA simple and clean method for efficiency calibration of filters for collection of airborne I and corresponding Ge(Li) spectrometer is described. As the calibrated source of gaseous I-131 the radiopharmaceutical water solution of NaI is used. As calibration example the absolute activity distribution of I-131 measured in a charcoal filter is shown. (author) %0Conference %NINIS-RS-0811;TRN: RS07RA416047317 %1 %CSerbia %Rhttps://doi.org/ TRN: RS07RA416047317 INIS %GSlovenian