Date,Time,DOC,NH4-N,tot-N,NO2-N/NO3-N YYYY-MM-DD,HH:mm:SS,mg C/l,µg N/l,mg N/l,µg N/l 2003-05-21,12:00:00,108.3000030518,,, 2004-07-14,12:00:00,36.3899993896,16.6125482,0.596,37.1794433 2004-09-02,12:00:00,55.1599998474,2.7043683,,28.3271949