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40 IFArK05110K <br />ENVilk0-11=CH <br />A nalytiocal Laiboratc•ry <br />Metropolitan Stevedore <br />P.O. BOX 986 <br />Stockton CA 95201 <br />MONITOR WELL FIELD DATA REPORT <br />MONITOR WELL SAMPLING INFORMATION <br />Sample ID: <br />Project Name: <br />Date Sampled: <br />Time Sampled: <br />Sampler Name: <br />22828-03 <br />Monitoring Well 2 <br />6/23/2003 <br />1:40 PM <br />Jonathan Le <br />MONITOR WELL FIELD DATA MEASUREMENT <br />Casing Diameter: 4 inches <br />ell Volume: 10.3 Gallons <br />Well Depth: 4'2" <br />Well Water Depth: 201" <br />Purge Vol I: 10.3 Gallons Purge Vol 2: 10.3 Gallons Purge Vol 3: 10.3 Gallons Purge Vol 4: 10.3 Gallons <br />PH(1): 7.03 PH (2): 7.04 pH (3) 7.02 pH (4): n/a <br />ECI (uS/cm) (I): 2110 ECI (uS/cm) (2): 2380 EC (uS/cm) (3): 2520 ECI (uS/cm) (4): n/a <br />02 (mg/L) (I): 1.62 02 (mg/L) (2): 1.58 02 (mg/L) (3): 1.62 02 (mg/L) (4): n/a <br />Field Note: Each Well was purged of a minimum of three casing volumes and until stabilization <br />measurement of pH and Electrical Conductivity (pH constant within 0.1 units, conductivity with <br />10% of previous measurement). The electrical conductivity/pH meter was calibrated prior to <br />use. After completion of purging, ground water were drawn using a disposable bailer (new bailer <br />for each well) <br />R SPECT LLYS34, TED, <br />Jonathan H. V. Le, Laboratory Director <br />aursday, July 31, 2003 Page 1 of]