date      lat       lon       sta       depth     C_fix  C_fix_stderr  C_fix_lt_10um  C_fix_lt_10um_stderr  C_fix_gt_10um  activity_and_comments  
20070812  23.841    -159.239  5         5         27.67  2.20          24.82          21.95                 2.85           nd                     
20070812  23.841    -159.239  5         25        39.64  26.18         38.88          9.16                  0.76           nd                     
20070812  23.841    -159.239  5         45        50.27  nd            nd             nd                    nd             prefilter data omitted due to mechanical analysis error  
20070812  23.841    -159.239  5         75        21.77  21.77         14.93          7.06                  6.84           nd                     
20070812  23.841    -159.239  5         100       0.00   nd            0.00           0.00                  0.00           nd                     
20070812  23.841    -159.239  5         125       0.00   0.00          8.07           8.07                  0.00           nd                     
20070817  23.18     -159.277  19        5         41.55  4.21          49.59          9.13                  0.00           nd                     
20070817  23.18     -159.277  19        25        32.85  0.05          42.45          5.21                  0.00           nd                     
20070817  23.18     -159.277  19        45        25.15  0.78          30.53          5.57                  0.00           nd                     
20070817  23.18     -159.277  19        75        2.07   2.07          21.67          10.17                 0.00           nd                     
20070817  23.18     -159.277  19        100       0.00   nd            2.51           0.46                  0.00           nd                     
20070817  23.18     -159.277  19        125       0.00   0.00          0.00           0.00                  0.00           nd