2010-02-152010-02-151997http://hdl.handle.net/1969.3/2558584 pgs.Procedures used in collecting surface water quality data are described in this manual. The Texas Natural Resource Conservation Commission (TNRCC) provides this manual annually. Quality assurance procedures are also documented.water qualitymonitoring systemsproceduressurface waterdata collectionsquality assurancecalibrationinstrumentsmeasurementanalysiswater samplessediment samplesfish killtissuessample storagebiological samplingBook