LOG PROBABILITY PLOT CESIUM-137 IN UPPER 5cm OF SOIL ROCKY FLATS COLORADO 100 90 80 70- 50— 4030 205 10 oi= CESIUM-137 (nCi/m?) 60 = T 10 TT 20 30 TT TTT 40 50 60 70 T 80 T 90 ACCUMULATIVE PERCENT PROBABILITY; FOR VALUES BEING LESS THAN INDICATED VALUE Fig. 8 666 T 95 98