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MONITORING WELL SAMPLING INFORMATION <br /> WELL NO MW-1 PROJECT NO 90-020 DATE 10/091__ <br /> PROJECT ADDRESS 6131 Pacfic Avenue, Stockton, California <br /> I <br /> IDESCRIBE MEASURING POINT (MP) Survey Mark <br /> TOTAL WELL DEPTH (Below MP) CASING DIAMETER 4 Inches <br /> MEASURING DEVICE Interface Probe <br /> ICASING MATERIAL PVC Schedule 40 INITIAL DEPTH TO G W 5718 <br /> DATE la TIME it to PM <br /> SAMPLE ID # MW-1 DATE SAMPLED 10/08291 TIME 12 55 PM <br /> SAMPLING DEVICE 'D,5P BAALeP_ _LENGTH ,3 D1 DIAMETER /.5;rr. <br /> AT LEAST Three BORE VOLUMES HAVE BEEN EVACUATED BEFORE SAMPLING <br /> 1 SAMPLE APPEARANCE Clear ODOR No <br /> SAMPLING PROBLEMS <br /> CLEANING PERFORMED IN FIELD <br /> SAMPLES COLLECTED <br /> IEVACUATION/STABILIZATION TEST DATA <br /> Time pH Conductance Temp Water Cumulative Pumping <br /> I Units (Temp Correct) (—C) Level Gallons Rate <br /> (µmhos/cm) (0 00 ft) Removed (gpm) <br /> 12 12 p m 727 1250 671 18 <br /> 12 15 pm 693 1250 673 <br /> 1217 pm 681 1190 674 <br /> 1219pm 679 1310 672 <br /> I <br /> TOTAL GALLONSREMOVED Eighteen _ <br /> TOTAL DRAW DOWN <br /> DISPOSAL METHOD OF WATER Crosbv & Overton of Oakland California <br /> I COMMENTS <br /> 90-020A FRM <br />