Date,Time,DOC,NH4-N,NO3-N YYYY-MM-DD,HH:mm:SS,mg C/l,µg N/l,µg N/l 2003-06-13,12:00:00,82.6399993896,, 2003-07-11,12:00:00,81.3,, 2003-09-11,12:00:00,83.0500030518,36.5733619,19.9175589 2004-06-09,12:00:00,79.5599975586,110.4927623,21.2453961 2004-07-14,12:00:00,63.75,18.6730193,34.5237687 2004-09-02,12:00:00,83.1,5.9238544,26.9993576