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Well Monitoring Form <br /> v <br /> Client : Pestana Trust <br /> Site Address : 275 Grant Line Road, Tracy, CA <br /> Date: June 29, 1993 <br /> Agency Representative: Ms. Mary Meays , Senior RENS <br /> San Joaquin County PHS/EHD <br /> Representative Contacted Prior to Resampling: No <br /> Total Well Depth: 19 80 ' Monitoring Well : MW-2 <br /> Depth to Water 7 14 ' Purge Method: Submersible Pump <br /> Water Column <br /> Height . 12 . 66 ' x 0 . 17 = 2 15 gallons (1 well volume) <br /> 3 x 2 15 gallons = 6 45 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) (umhos/cm) <br /> --------------------------------------------------------- <br /> 4: 22 0 74. 3 7 . 17 2970 <br /> 4 . 29 2 . 25 73 2 7 . 12 2850 <br /> 4 : 34 4 . 50 71. 2 7 . 12 2760 <br /> 4 : 40 6 . 75 70 7 7 . 11 2770 <br /> 4 : 46 9 . 0 70. 9 7 . 12 2740 <br /> Contaminant Odor None <br /> Turbidity Level : Low to moderate, water light-brown in <br /> color <br /> Sheen on Water: No <br /> Time of Sample Collection : 4 : 50 pm <br /> Witnessed by : No witness <br /> Samplers Signature. <br /> Page 10 <br />