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Well Monitoring Form <br /> Client : Pestana Trust <br /> Site Address : 2360 East Street , Tracy , CA <br /> Date : March 10 , 1994 <br /> Agency Representative : Mr. Michael Infurna, Senior REHS <br /> San Joaquin County PHS/EHD <br /> Representative Contacted Prior to Sampling : Yes <br /> Total Well Depth: 19 . 60 ' Monitoring Well : MW-1 <br /> Depth to Water: 7 . 14 ' Purge Method: Disposable Bailer <br /> (bundle of 3) <br /> Water Column <br /> Height . . . . . . 12 . 46 ' x 0 . 66 = 8 . 22 gallons (1 well volume) <br /> 3 x 8 . 22 gallons = 24 . 7 gallons (three well volumes <br /> is typically the minimum number of <br /> gallons purged from a monitoring <br /> well prior to obtaining samples ) <br /> Time Gallons Temperature pH Conductivity <br /> Removed (Degrees F) (mmhos/cm) <br /> --------------------------------------------------------- <br /> 12 : 45 0 73 . 1 6. 40 2 . 53 <br /> 13 : 05 8 . 25 69 . 0 6 . 40 2 . 86 <br /> 13 : 20 16 . 50 69 5 6. 27 2 . 73 <br /> 13 : 28 24 . 75 72 . 2 6 20 2 . 86 <br /> Contaminant Odor: Malodorous <br /> Turbidity Level : Low to moderate <br /> Sheen on Water , No <br /> Time of Sample Collection: 13 : 30 <br /> Witnessed by: No Witness <br /> Sampler ' s Signature: IJ, fwp <br />