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Well Monitoring Form <br /> Client Pestana Trust <br /> Site Address 2360 East Street , Tracy , CA <br /> Date August 18 , 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 58 ' Monitoring Well MW-2 <br /> Depth to Water 7 12 ' Purge Method Disposable Sailer <br /> (bundle of 3 ) <br /> Water Column <br /> Height 12 46 ' x 0 66 = 8 22 gallons (1 well volume) <br /> 3 x 8 22 gallons = 24 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 /> 10 47 0 80 6 6 56 2 72 <br /> 10 58 8 25 81 5 6 . 92 2 60 <br /> 11 12 16 50 77 4 6 . 92 2 . 37 <br /> 11 17 24 75 76 3 6 . 93 2 58 <br /> Contaminant Odor Malodorous <br /> Turbidity Level Low to moderate <br /> Sheen on Water No <br /> Time of Sample Collection • 11 20 am <br /> Witnessed by Mr Michael Infurna <br /> Purge water contained small pieces of clear plastic . <br /> Sampler ' s Signature ' - r 'r <br />