ELEMENT = Zr

all samples with negative results 157 samples

all samples with positive results 13 samples

samples with element contents between:

34 - 91,6 6 samples

91,6 - 149,2 3 samples

149,2 - 206,8 3 samples

206,8 - 264,4 values were measured in any sample

264,4 - 322 1 samples