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American Geological Services, Inc. <br /> P.O. Bax 3446 MONITORING WELL <br /> Senora, CA SAMPLE L O G <br /> 7e1.: (209) 532-8032-80 21 <br /> Project Name: Project Number: <br /> Tracy Cold Storage CA95DE-029 <br /> Well No. MW-4 Page 1 of_i Date:09-22-95 Collected By:SMW,GTW <br /> Quadrangle: Sec. <br /> Northing: 1"asting: Contractor Checked by: <br /> Be ik Drilling, Inc, RRG <br /> WELL DETAILS <br /> Date Constructed: 08-24-94 Date Developed:08-25-94 Date Last Sam led:06-22-95 <br /> ` Casing Type: PVC Dia. 2.0" Screen Type: PVC Dia. 2.0" Well Purging Method: <br /> Length: 10' Depth: 8' Length: 10' SIot.Size - 0.01" PVC Bailer <br /> Ground Surface Elevation: <br /> 55.80' Well Depth:19.73' <br /> Collar(datum)Elevation: <br /> 57.49' Total Column Thickness: <br /> Total Column Elevation; <br /> 1 Product Depth:NA Product Thickness:NA <br /> Water Level Elevation: <br /> 46.53' Water Depth:10.96' Water Thickness:8.77' <br /> Well water volume; 1.40 gallons <br /> 2"=0.16 IR 4"-0.65 !ft6"=1.479/ft) <br /> WELL PURGING AND WATER PARAMETER TESTING <br /> TIME WATER VOLUME TEMP PH COLOR CONDUCT DISSOLVED TURBIDITY ODOR REMARKS <br /> 1140 LEVEL PUMPED OXYGEN <br /> � <br /> 0.75 72.9 7.85 Lt Brawn 1.51 Moderate None <br /> 1142 <br /> 1.5 70.9 7.62 Lt Brown 1.46 Moderate None <br /> 1144 <br /> 3.0 69.3 7.55 Lt Brown 1.51 Moderate None <br /> 1146 <br /> 4.5 68.8 7.60 Brown 1.55 Moderate None <br /> SAMPLING INFORMATION <br /> SAMPLE NO. SAMPLING METHOD CONTAINER COLOR TURBIDITY ODOR ANALYSIS REQUESTED <br /> Disposable TPN-gas <br /> MW4-Blank Bailer 2 VOA Clear. Low None BTEX <br /> Disposable TPM-gas <br /> MW4-W Bailer 2 VOA Lt Brown Moderate None BTEX <br /> i <br /> Additional Information: <br /> i <br />