In-situ measurements

  • inspection and survey planning;
  • identification and measurement through γ and β spectroscopy of artificial radionuclides (137Cs 134Cs, 131I, 60Co, 90Sr) in landfills by using portable plastic and inorganic scintillators (NaI, LaBr3, CeBr3) and gaseous ionization detectors;
  • installation of wireless NaI radiation detection systems in grapples for the identification of artificial radionuclides (137Cs 134Cs, 131I, 60Co) in metal scraps through γ spectroscopy measurements;
  • vehicular monitoring (e.g. trucks and wagons) for the identification of artificial radionuclides (137Cs 134Cs, 131I, 60Co) through γ spectroscopy measurements by using high efficiency detectors (NaI, LaBr3, CeBr3);
  • radionuclides identification (123I, 125I, 131I, 99mTc, 111In, 67Ga, 201Tl) in solid waste produced by nuclear medicine activities through γ and b spectroscopy measurements by using portable inorganic scintillators (NaI, LaBr3, CeBr3), CZT and plastic detectors;
  • static and energetically self-sufficient control systems in continuous and real-time operation equipped with NaI, LaBr3, CeBr3 and/or plastic detectors together with remote connection and warning system to be installed in areas at risk of contamination for monitoring artificial radionuclides (137Cs 134Cs, 131I, 60Co, 90Sr);
  • identification and quantification of natural (238U and 232Th chains, and 40K) and artificial (137Cs 134Cs, 131I, 60Co, 90Sr) radionuclides through γ and β spectroscopy by using NaI, LaBr3, CeBr3 and plastic detectors in fields and farmlands for the monitoring of the agri-food production chain;
  • measurements of the concentration of natural radionuclides (238U and 232Th chains, and 40K) through γ spectroscopy by using NaI, LaBr3 and CeBr3 detectors for the identification of mineral deposits;
  • measurements of the concentration of natural radionuclides (238U and 232Th chains, and 40K) in stone, building and inert materials (e.g. in quarries, storage deposits and processing sites) through γ spectroscopy by using NaI, LaBr3, CeBr3 and CZT detectors with collimation systems aimed at reducing the ambient background;
  • measurements of 40K concentration and of the daughter products of the 238U chain respectively in the potassium and phosphate fraction of fertilizers through γ spectroscopy using NaI, LaBr3 and CeBr3 detectors;
  • measurements of the concentration of natural radionuclides (238U and 232Th chains, and 40K) in rock outcrops and soils through γ spectroscopy by using NaI, LaBr3 and CeBr3 detectors for geophysical surveys;
  • production of thematic maps of the natural radionuclides (238U and 232Th chains, and 40K) distribution with different spatial resolutions and uncertainties estimation by means of γ spectroscopy measurements;
  • measurements of the effective dose rate in different sensibility ranges by using NaI portable detectors (0-100 μSv/hr, equivalent to 0-10 mrem/hr) and Geiger-Müller tubes (0-10 mSv/hr, equivalent to 0-1 rem/hr);
  • field scale (~104 m2) soil water content measurements through γ spectroscopy by using NaI, LaBr3 and CeBr3 detectors aimed at providing a decision support tool in precision agriculture by complementing punctual (~ m2) information from electromagnetic sensors and suitable for the calibration of satellite data.

More info: radio@geoexplorer.cgtgroup.org