station  lat        lon        date         depth_max  depth_sample  temperature  pH     salinity  Cl     SO4    DOC    TDN    DON    Nox                     NO2                     NH4                     TDP    DOP                     PO4  Si     CH4    MOX     
63       72.4194    130.6566   2011/09/27   15         15            3.4          8      18.7      nd     nd     nd     nd     nd     nd                      nd                      nd                      nd     nd                      nd   nd     8.4    0.17    
63       72.4194    130.6566   2011/09/27   15         15            3.4          8      18.7      300    nd     242    11     11     Below_detection_limit   Below_detection_limit   0.2                     3.5    3.1                     0.4  23.2   6.5    0.075   
63       72.4194    130.6566   2011/09/27   15         12            3.4          7.9    18.7      307    nd     285    11     10     0.3                     Below_detection_limit   0.4                     1.7    1.3                     0.4  23.2   4.9    0.048   
63       72.4194    130.6566   2011/09/27   15         9             3.4          8      18.7      303    nd     364    13     11     0.2                     Below_detection_limit   2.2                     0.4    Below_detection_limit   0.4  23.3   5.2    0.073   
63       72.4194    130.6566   2011/09/27   15         6             3.4          8      18.7      303    nd     350    12     10     0.2                     Below_detection_limit   1.5                     0.4    Below_detection_limit   0.4  23.5   5.2    0.056   
63       72.4194    130.6566   2011/09/27   15         3             3.4          8      18.7      308    nd     159    14     13     0.3                     Below_detection_limit   1                       0.5    Below_detection_limit   0.4  23.7   10.9   0.094