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Indoor and Built Environment, Vol. 5, No. 6, 364-366 (1996)
DOI: 10.1177/1420326X9600500610

Calibration of LR-115 Plastic Track Detectors for Environmental Radon Measurements

R.C. Ramola

Department of Physics, H.N.B. Garhwal University Campus, Tehri Garhwal

R.B.S. Rawat

Department of Physics, H.N.B. Garhwal University Campus, Tehri Garhwal

M.S. Kandari

Department of Physics, H.N.B. Garhwal University Campus, Tehri Garhwal

T.V. Ramachandran

Environmental Assessment Division, Bhabha Atomic Research Centre, Mumbai, India

K.P. Eappen

Environmental Assessment Division, Bhabha Atomic Research Centre, Mumbai, India

M.C. Subba Ramu

Environmental Assessment Division, Bhabha Atomic Research Centre, Mumbai, India

Solid-state nuclear track detectors are widely used for integrated measure ments of radon and its daughter products in the environment. However, these detectors have to be calibrated before use in field measurements. In the present work, LR-115 type II plastic track detectors have been calibrated in bare mode in a chamber containing a known radon concentration. The cali bration factor measured for this mode was 125 tracks.cm-2.d-1 = 1 WL (3.12 x 10-2 tracks.cm -2.d-1 = 1 Bq.m-3).

Key Words: Radon • Plastic track detectors


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