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• Well Monitoring Form <br /> Client : Pestana Trust <br /> Site Address : 275 Grant Line, Tracy, CA <br /> Date, December 2 , 1994 <br /> Agency Representative: Mr. Michael Tnfurna, Senior REHS <br /> San Joaquin County PHS/EHD <br /> Representative Contacted Prior to Sampling: Yes <br /> Total Well Depth: 16 . 16' Monitoring Well : MW-1 <br /> Depth to Water: 8 . 08 ' Purge Method: Disposable Bailer <br /> Water Column <br /> Height . . . 8 .08 ' x 0 .17 = 1 . 37 gallons (1 well volume) <br /> 3 x 1 . 37 gallons = 4 . 11 gallons (three well volumes <br /> is typically the minimum number of <br /> gallons purged from a monitoring <br /> well prior to obtaining samples) <br /> • <br /> Time <br /> -----Gallons <br /> -----Temperature <br /> -----pH-----Conductivity <br /> Removed (Degrees F) (mmhos/cm) <br /> crn <br /> 10: 50 0 67 . 8 8 05 3 . 65 <br /> 10: 55 1 . 5 67 0 7 . 89 3 . 75 <br /> 10. 59 3 . 0 65 . 4 7 . 85 3 . 65 <br /> 11 03 4 . 5 66 . 2 7 80 3 . 83 <br /> 11: 09 6. 0 63 . 4 7 . 84 3 . 63 <br /> Contaminant Odor . None <br /> Turbidity Level : Non-turbid <br /> Sheen on Water No <br /> Time of Sample Collection: 11 : 15 <br /> Witnessed by No Witness <br /> * Sampler 's Signature: Q• W <br /> P <br /> * Mr . Don Johnson assisted with sampling <br /> • I <br />