ABSTRACT

T h e u se o f rad io ac tiv e tra c e rs and G e ig e r M u e lle r tu b e s as d e te c to rs is a m e th o d th a t can b e u tilized in ca ses involv ing rad io ac tiv e w a s te b u t a lso in s itu a tio n s w h e re a n o n -d estru c tiv e , n o n -in te rferin g o b se rv a tio n schem e is d es ired .