Date,Time,DOC,NH4-N,NO2-N/NO3-N YYYY-MM-DD,HH:mm:SS,mg C/l,µg N/l,µg N/l 2003-09-11,12:00:00,19.6100006104,489.3618844,16.3766595 2004-09-02,12:00:00,35.48,538.2980728,25.2289079