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2.0 MONITORING METHODS <br />2.1 SURFACE SITES <br />During each monitoring event, in-situ water quality measurements of temperature, conductivity, and <br />pH were made. An expanded list of water quality analyses was conducted during the quarterly <br />samplings which were sent to a commercial analytical laboratory. Prior to any field sampling, the <br />field meters were calibrated to known standards. <br />Water quantity or flow measurements were conducted by a number of methods. At the beginning of <br />the program, a straight, flat, stable reach of each stream station was selected as a sampling location. <br />Near the downstream end of the reach, across-section was surveyed perpendicular to the stream <br />flow and permanently marked with stakes and flagging. Flow was measured with aTeledyne-Gurley <br />Model 625 Pygmy type current meter (or similar type meter) using the USGS six-tenths-depth <br />method. <br />2.2 GROUNDWATER SITES <br />Depth to water below the top of the well casing was measured to the nearest tenth-foot using an <br />electric line water level detector. Water quality was sampled in the field directly from the wells with <br />a hand bailer. The wells were cleared by bailing at least three columns of water prior to collecting <br />the sample. Equipment and procedures used for water chemistry analysis were consistent with those <br />described above for surface water. <br />626-Annual Hydrolic Monitoring (Apr.9.02).doc 13 <br />April 17, 2002 <br />