Date,Time,DOC,NH4-N,NO3-N,tot-N YYYY-MM-DD,HH:mm:SS,mg C/l,µg N/l,µg N/l,mg N/l 2003-04-02,12:00:00,57.1199989319,367.0214133,, 2003-04-30,12:00:00,71.9599990845,364.4458244,, 2003-05-07,12:00:00,74.5199966431,370.8847966,, 2003-05-21,12:00:00,68.8399963379,,, 2003-05-28,12:00:00,78.3600006104,,, 2003-06-13,12:00:00,64.8399963379,397.9284797,, 2003-07-11,12:00:00,43.0400009155,,, 2003-09-11,12:00:00,59.6699981689,90.7895075,894.0770878, 2004-05-07,12:00:00,72.05,83.5778587,14.6062099,1.25 2004-06-09,12:00:00,50.1300010681,86.7973448,712.6059957,1.23 2004-07-14,12:00:00,72.5999984741,9.7872377,207.1426124,1.27 2004-09-02,12:00:00,72.6600036621,12.8779443,199.1755889,