ELEMENT = B

all samples with negative results 12 samples

all samples with positive results 20 samples

samples with element contents between:

31,9999 - 65,79994 1 samples

65,79994 - 99,59998 1 samples

99,59998 - 133,4 3 samples

133,4 - 167,2001 10 samples

167,2001 - 201,0001 5 samples