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1 <br /> 1 <br /> GeoTrans, 1:��. WELL SAMPLING DATA SHEET <br /> ..`� <br /> Project Safeway-Stockton Well Number MW-5 Date 7124102 <br />' Job No L528-10'1 Sampler(s) Keith Hoofard <br /> Purge Calculation <br />' A Depth to Water (DTW) 1590 feet <br /> B Total Well Depth (TD) 439 feet <br />' C Height of Water (B -A) 28 feet <br /> D Casing Diameter 4-inch inches <br /> E Gallons/Foot 066 gallons <br /> 2"=0 17 gift,4"=0 66 9/ft <br />' F Casing Volume (C x E) 185 gallons <br /> G Purge Volume (E x 3) 55 gallons <br /> H Actual Volume Purged 55 gallons <br />' Recharge (minimal, low, medium, high) High <br /> Purge Equipment 2" Grundfos sub pump, 112"poly discharge_tube,_disposable bailer <br />' Field Conditions Sunny, upper 80s to low 90s <br />' Comments Start pump as 1025, intake set at 30 feet bgs <br /> Pump off 2 1048, pull sample with disposable bailer <br /> Water level potentially influenced by pumping at MW-6 <br /> Field Measurements <br /> Pump Rate Volume Temp EC <br /> Time (gpm) Purged (F) pH (PS/cm) Turbidity <br />' 1033 -- 2 5 185 691 687 1,059 Clear <br /> 1043 - 2 5 39 685 671 1,166 Clear <br />' 1048 -- 2 5 55 676 6619 1,160 Clear <br /> DTW(pre-purge) 1594 Sample Order 2 <br /> DTW(post-purge) 19 57 @ 1048 <br /> tP 1Protects\Safeway1L5281We11Data x1s1MW-5_07-24-02 <br />