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(E)V.kruzgom <br />thrimilmo-Trui <br />Analytical Laboratory <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 />22828-01 <br />Monitoring Well 1 <br />6/23/2003 <br />9:20 AM <br />Jonathan Le <br />MONITOR WELL FIELD DATA MEASUREMENT <br />sing Diameter: 4 inches <br />ell Volume: 8.6 Gallons <br />Well Depth: 222" <br />Well Water Depth: 89.5" <br />Purge Vol 1: 8.6 Gallons <br />PH(1): 7.69 <br />EC I (uS/cm) (1): 1684 <br />02 (mg/L) (1): 2.54 <br />Purge Vol 2: 8.6 Gallons <br />PH (2): 7.75 <br />EC I (uS/cm) (2): 1683 <br />02 (mg/L) (2): 3.30 <br />Purge Vol 3: 8.6 Gallons <br />pH (3) <br /> 7,79 <br />EC 1 (uS/cm) (3): 1687 <br />02 (mg/L) (3): 3.15 <br />Purge Vol 4: 8.6 Gallons <br />pH (4): 7.76 <br />EC I (uS/cm) (4): 1683 <br />02 (mg/L) (4): 3.17 <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 />RESPECT ULLY S ' JTTED, <br />J nathan H. V. Le, Laboratory Director <br />Thursday, July 31, 2003 Page 1 of 1