• Inspection, survey planning and in-situ sampling (regular grid, simple random, stratified, systematic, cluster, multistage);
  • solid samples preparation (drying, grinding, sieving, mixing);
  • 226Ra, 228Ra, 40K (NORMs) concentration measurements and search for secular disequilibrium in the 238U and 232Th decay chains in oil wastes (sludge and scales from oil and natural gas extraction);
  • measurements of 40K concentration of the daughter radionuclides of the 238U chain respectively in the potassium and phosphate fraction of fertilizers;
  • 226Ra, 228Ra, 40K (NORMs) concentration measurements in the by-products of the fertilizer industry;
  • 226Ra, 228Ra, 40K (NORMs) concentration measurements in the by-products of the processing of minerals, sand, rare earths, metals and titanium dioxide pigments;
  • 226Ra, 228Ra, 40K (NORMs) concentration measurements in bauxite residues or in the by-products of the alumina refining industry (red muds);
  • 226Ra, 228Ra, 40K (NORMs) concentration measurements in waste water, sludge, cuttings produced by geothermal exploration activities;
  • artificial radionuclides (137Cs, 134Cs, 131I, 60Co) concentration measurements in food for human consumption (e.g. meat, fish, mollusks, fruit, vegetables, jams, mushrooms, cereals, milk, dairy products);
  • artificial radionuclides (137Cs, 134Cs, 131I, 60Co) concentration measurements in forage and feeds;
  • artificial (137Cs, 134Cs, 131I, 60Co) and natural (238U and 232Th chains, and 40K) radionuclides concentration measurements in environmental samples (soil, sediments, sand, flora and fauna, sea and fresh water, wastewater) and depth profiles on corings;
  • radionuclide identification (123I, 125I, 131I, 99mTc, 111In, 67Ga, 201Tl) in solid wastes produced by nuclear medicine activities;
  • artificial radionuclides (137Cs, 134Cs, 131I, 60Co) and 226Ra, 228Ra, 40K (NORMs) concentration measurements in fly and bottom ash (from the combustion of pellet, wood, coal, etc.);
  • natural (238U and 232Th chains, and 40K) radionuclides measurements and particularly of the 232Th/238U, 226Ra/40K and 228Ra/40K ratios in rock and soil samples for geophysics studies and for mine prospecting activities.

More info: radio@geoexplorer.cgtgroup.org