Evaluation of the Radioactivity of Selected Soil Samples from University of Karbala

The radio nuclear quality radio activity (40K,232Th, and 238U) was measured. by (Iodide Sodium standard system activated with Thallium 3x3, NaI(Tl) Detector). Four samples of soils were collected at a depth (5cm-20cm) from the various locations in University of Karbala in the city of Karbala. to calibrate detector (137Cs,60Co and 22Na) were used. Through the comparing between The results in this search and the international standards for soil pollution showed that the activity concentrations values of 238U.232Th, and 40K are lower than international recommended limits. Radium equivalent activity as well as the annual dosage that works values are lower than the maximum permissible levels recommended by world health organization, In both stations, the values of the internal and external hazard indexes as well as gamma activity concentration were less than unity.