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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 RENS <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 20 ' Purge Method Disposable Bailer <br /> (bundle of 3 ) <br /> Water Column <br /> Height 12 40 ' x 0 66 = 8 18 gallons ( 1 well volume) <br /> 3 x 8 06 gailons = 24 5 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 /> 16 38 0 65 3 7 02 2 30 <br /> 16 45 8 20 67 4 6 89 2 82 <br /> 16 54 16 40 65 6 6 91 2 84 <br /> '7Q2 24' 50 65 0 6 90 2 97 <br /> Contaminant Odor Malodorous <br /> Turbidity Level Low to moderate <br /> Sheen on Water No <br /> Time of Sample Collection 17 ' 07 <br /> Witnessed by No Witness <br /> Sampler ' s Signature <br />