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 2003-03-28,12:00:00,11.1999998093,213.7738758,,15.0488223 2003-04-02,12:00:00,12.5100002289,273.0124197,,0.0756867238 2003-04-23,12:00:00,10.8900003433,212.4860814,,4.4261242 2003-04-30,12:00:00,11.3299999237,195.7447537,,7.0817987 2003-05-07,12:00:00,11.66,206.0471092,,0.8852248 2003-05-21,12:00:00,12.8299999237,,, 2003-05-28,12:00:00,17.2399997711,,, 2003-06-13,12:00:00,15.5399999619,209.9104925,,18.1471092 2003-07-11,12:00:00,12.3,294.9049251,,15.9340471 2003-09-11,12:00:00,16.1700000763,289.7537473,,15.4914347 2004-05-07,12:00:00,18.2199993134,236.9541756,0.717,28.3271949 2004-05-18,12:00:00,20.68,239.5297645,0.704,61.9657388 2004-06-09,12:00:00,21.1499996185,248.5443255,0.635,6.6391863 2004-07-14,12:00:00,21.7399997711,248.5443255,0.774,21.2453961 2004-09-02,12:00:00,31.2600002289,222.7884368,,15.0488223