8:05 am 10-minute INTERIOR average: 35.6 CPM
9:30 am 10-minute INTERIOR average JAPANESE SWISS ROLL GREEN TEA CAKE IN PACKAGING = 42.3 CPM WHICH IS 18.8% HIGHER THAN PREVIOUS BACKGROUND AVERAGE
10:00 am 10-minute INTERIOR average JAPANESE SWISS ROLL GREEN TEA CAKE WITHOUT PACKAGING bought in Southern California Japanese market= 43.3 CPM WHICH IS 21.6% HIGHER THAN PREVIOUS BACKGROUND AVERAGE.
This slight increase of 2.8% may be the result of alpha radiation shielded from the Inspector by the plastic wrapping. Or it could be statistically insignificant since the increase is relatively small.