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Well Monitoring Form <br /> Client Pestana Trust <br /> Site Address 2360 East Street , Tracy , CA <br /> Date December 2 1993 <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 56 ' Monitoring Well MW-2 <br /> Depth to Water 6 85 ' Purge Method Disposable Bailer <br /> (bundle of 3 ) <br /> Water Column <br /> Height 12 71 ' x 0 66 = 8 39 gallons ( 1 well volume) <br /> 3 x 6 22 gallons = 25 2 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 /> 15 33 0 71 7 7 04 3 10 <br /> 15 41 8 40 70 6 6 99 2 96 <br /> 15 52 16 80 69 1 6 98 2 87 <br /> 16 03 25 20 69 0 6 98 2 86 <br /> Contaminant Odor Malodorous (vapors emanating from well ) <br /> Turbidity Level Low to moderate <br /> Sheen on Water No <br /> Time of Sample Collection 16 10 <br /> Witnessed by No Witness <br /> Sampler ' s Signature tJ RAW <br />