Date,Time,DOC,NH4-N,NO2-N/NO3-N YYYY-MM-DD,HH:mm:SS,mg C/l,µg N/l,µg N/l 2003-07-11,12:00:00,17.08,,15.0488223 2003-09-11,12:00:00,37.8600006104,164.8376874,23.9010707 2004-07-14,12:00:00,61.7999992371,,28.7698073 2004-09-02,12:00:00,82.6,6.8253105,26.1141328