AIR S a ee \ CELLULOSE FILTER 47am OLAMETER WITH 1.2 um PORE SIZE OAILY SAMPLES TAKEN YEAR AROUND COLLECTED 1.7m ABOVE GROUND SAMPLES POOLED FOR EACH TEN=DAY COLLECTION (100m) FOR ALPHA SPECTROMETRY MEASUREMENTS SAMPLES MEASURED AT JEN FOR GROSS ALPHA (PROPORTIONAL COUNTER) AND Pu-239 BY ALPHA SPECTROMETRY FOLLOWING f0N EXCHANGE SEPARATION AND ELECTRODEPOSITION |