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` r <br /> Well Monitoring Form <br /> i1 <br /> Client Pestana Trust <br /> Site Address : 275 Grant Lane , Tracy , CA <br /> Date * February 14, 1994 <br /> 4 Agency Representative . Ms . Mary Meays , Senior REHS <br /> San Joaquin County PHS/EHD <br /> Representative Contacted Prior to Sampling : Yes <br /> Total Well Depth: 19 . 80 ' Monitoring Well : MW-2 <br /> Depth to Water . 6 80 ' Purge Method : Disposable Bailer <br /> (bundle of 3) <br /> Water Column <br /> Height . . . . . 13 .80 ' x 0 17 = 2 . 2 gallons (1 well volume) <br /> 1' <br /> 3 x 2 . 2 gallons = 6. 6 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 28 0 67 2 9 60 1 25 <br /> 13 35 2 . 25 68 . 8 7 . 56 2 86 <br /> 13 .41 4. 50 70 5 7 . 21 2 93 <br /> 13 : 47 6 . 75 69 . 4 7 . 18 2 89 <br /> 13 53 9. 00 69 .8 7 . 10 2 90 <br /> f <br /> Contaminant Odor . Intermittent <br /> Turbidity Level Clear , becoming moderately <br /> turbid after 8 gasllons purged <br /> Sheen on Water. No <br /> Time of Sample Collection: 13 : 57 <br /> " Witnessed by, Ms. Mary Meays <br /> �I <br /> Sampler 's Signature <br /> 1 <br /> � I <br /> F4 <br /> N <br /> N <br /> I <br />