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' GROUNDWATER PURGE AND SAMPLE DATA NNi Wallace <br /> Job Name: Unocal Operable Unit <br /> Job #: 6324.02 Date: February 5, 2007 <br /> Well ID: MW 38 Personnel: Ij <br /> Gauging Data <br /> Measuring Equipment: /IP <br /> ' Measuring Reference Point Description: d22 Well Cap Pressurized: Yes / o <br /> Total Depth Depth to Water Column Casing Diameter Casing Volume CasingTotal Purge <br /> Well Purge (feet) Water(feet) (feet) Multiplier (gal) Volumes to Volume(gal) <br /> Volume Purge <br /> Calculation 3/4 1 2 4 6 <br /> 21.70 0.023 .16 .653 1.46 <br /> Purging Data <br /> B / <br /> Purge Method: S mersible Pump / Foot Valve / Other(Specify): <br /> Multi-parameter Meter Used: Han / YSI 556 / Horiba U-22 / Other(Specify): <br /> Volume Temp Conductivity TDS Turbidity/ <br /> Time Purge(gal) (deg C) pH (µs/cm) (ppm) Color <br /> I7. 2 <br /> L, -95 212 L <br /> IProduct Sheen Yes ®o Dewatered Yes No <br /> Petroleum Hydrocarbon Odor No <br /> Comments: <br /> Sample Data Well Condition Weather Conditions: <br /> Sample Time: Well Box O L Not OK J y%VN <br /> Number o <br /> Container Type Containers Preservative Well Box Lid OP Not OK Problems Encountered: <br /> VOA 6 HCL Bolts <CR� Not OK <br /> Poly 1 None Casing Cap ;OK <br /> Not OK <br /> 1 1 L Amber 2 Na2S203 Lock o KLDPE TubingNot OK <br /> Grout (0 K Not OK <br />