Quantization of the concentration of natural elements and radioactive contaminants gamma emitting in soils of the Nicoya's Peninsula, Guanacaste, using the technique of low level counting

Utilizing the technique of low level counting for gamma radiation, you can evaluate the specific activity of the daughters of Uranium, Thorium, and Potassium-40 natural isotopes in the Nicoya's Peninsula, Guanacaste, Costa Rica. Using the same technique you can measure the contamination of Cesium-137 at the same geographical region. This contamination probably was originated from Atolonius Bikini transferred from the South Pacific and resulting from atomic explossions in the atmosphere. 10 refs., 5 figs., 3 tables; 4 charts