Cruise_Number  Date        Mean_Depth  Size_fraction  d202Hg   D199Hg   D201Hg   D200Hg   D204Hg   
KM1407         20140219    25          1.0-53.0       -0.09    0.17     0.16     0.03     -0.09    
KM1407         20140219    150         1.0-53.0       -0.23    0.06     0.08     0.00     -0.07    
KM1407         20140219    400         1.0-53.0       -0.22    0.26     0.3      0.06     -0.09    
KM1418         20140902    25          1.0-53.0       -0.11    0.18     0.06     0.05     -0.11    
KM1418         20140902    150         1.0-53.0       -0.27    0.18     0.09     0.07     -0.10    
KM1418         20140902    150         1.0-53.0       -0.23    0.15     0.11     0.06     0.01     
KM1418         20140902    400         1.0-53.0       0.08     0.37     0.23     0.11     -0.08    
KM1506         20150502    25          1.0-53.0       -0.11    0.05     0.06     0.05     -0.09    
KM1506         20150502    150         1.0-53.0       -0.14    0.11     0.12     0.09     -0.19    
KM1506         20150502    150         1.0-53.0       -0.13    0.10     0.05     0.06     -0.14    
KM1506         20150502    690         1.0-53.0       0.17     0.18     0.32     0.06     -0.16    
KM1506         20150502    150         >53.0          -0.17    0.11     0.04     -0.07    0.08