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• Well Monitoring Form <br /> Client : Pestana Trust <br /> Site Address : 2360 East Street , Tracy, CA <br /> Date: December 2 , 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 . 44 ' Monitoring Well : MW-3 <br /> Depth to Water : 6. 48 ' Purge Method: BK Hand Pump <br /> Water Column <br /> Height . . . . . . 12 . 96' x 0 . 66 = 8 . 55 gallons (1 well volume) <br /> 3 x 8 . 4 gallons = 25 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 /> 13 : 13 0 66. 2 7 . 65 3 . 28 <br /> 13 : 16 8 . 6 67 2 7 . 69 3 . 18 <br /> 13 : 19 17 . 2 67 . 3 7 .70 3 . 21 <br /> 13 : 21 25 . 8 67 . 6 7 . 73 3 . 39 <br /> Contaminant Odor: None <br /> Turbidity Level : Slight turbidity <br /> Sheen on Water: No <br /> Time of Sample Collection: 13 : 26 <br /> Witnessed by: No Witness <br /> * Sampler's Signature: V "PP <br /> 1� * Mr . Don Johnson assisted with sampling <br />