Preliminary Investigation on Natural Background Radiation Levels in and around Karimnagar, Telangana State, India Reddy G Srinivas1, Reddy K Vinay Kumar2, Reddy B Sreenivasa2,*, Reddy Ch. Gopal3, Reddy P Yadagiri3, Reddy K Rama3 1Mahatma Gandhi Institute of Technology, Chaitanya Bharathi P.O., Hyderabad-500075, India 2Chaitanya Bharathi Institute of Technology, Chaitanya Bharathi P.O., Hyderabad-500075, India 3Department of Physics, Osmania University, Hyderabad -500 007, India *Corresponding author: Chaitanya Bharathi Institute of Technology, ChaitanyaBharathi P.O., Hyderabad-500075, India; Email: beemireddy@yahoo.com
Online published on 4 March, 2015. Abstract Natural background radiation levels are measured in 17 dwellings selected randomly in and around Karimnagar city of Telangana using a portable μR-survey meter for a period of one year on quarterly basis. These levels are found to be minimum at Gangadhara village and maximum at Peddur village. Elevated levels of radiation at Peddur village can be attributed to the uraniferous rocks present in that area. The ratio between the indoor to outdoor radiation levels is varying between 0.68 and 1.22 against the world average of 1.2. Variation of natural background gamma radiation levels with different types of buildings is also discussed. Top Keywords About Natural background gamma radiation levels, μR-survey meter, Karimnagar Granitic Terrain. Top |