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�Cseo WELL SAMPLING DATA SHEET <br /> Trans, Inc. <br />' Project Safeway-Stockton Well !Number MW-6 Date 7124/02 <br />' Job No L528-101 Sampler(s) Keith Hoofard <br /> Purge Calculation <br /> A Depth to Water (DTW) 1668 feet <br /> B Total Well Depth (TD) 442 feet <br /> C Height of Water(B -A) 2752 feet <br /> ' D Casing Diameter 4-inch inches <br /> E Gallons/Foot 066 gallons <br /> 2"=0 17 g/ft,4"=0 66 91ft <br /> F Casing Volume (C x E) 182 gallons <br /> ' <br /> G Purge Volume (E x 3) 54 gallons <br /> H Actual Volume Purged 54 gallons <br /> Recharge (minimal, low, medium, high) Hiah <br /> Purge Equipment 2" Grundfos sub pump, 112" poly discharge tube, disposable bailer <br /> ' Field Conditions Sunny, upper 80s to low 90s <br /> Comments Stark pump @ 0930, intake set at 30 feet b s <br /> pum2 off 0954, Rull sample with disposable bailer <br /> ' Fleld Measurements EC <br /> Pump Rate Volume Temp <br /> Time (gpm) Purged (F) H (pSlcm) TurbIdit <br /> 943 - 22 18 729 702 1,624 Clear <br /> 950 - 22 36 757 69 1,697 Clear <br /> 955 - 22 54 743 688 1,643 Clear <br /> ' <br /> DTW(pre-purge) <br /> 1668 Sample Order 'I <br /> . DTW(post-purge) 16 85 @ 0957 <br /> ' P 1Projects\SafewaylL5MWe11Data ASWW-6_07-24-02 <br />