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SECOR International Inc. <br /> WATER SAMPLE FIELD DATA SHEET <br /> PROJECT# 7-Eleven Store#20632 PURGED BY Peng Vang WELL I D MW- Z <br /> CLIENT NAME 7-Eleven,Inc SAMPLED BY Peng Vang SAMPLE I D MW- y <br /> LOCATION 4627 Da Vinci Drive,Stockton,California QA SAMPLES None <br /> DATE PURGED I -f Us START(2400hr) 17- 210 _ END(2400hr) Z <br /> DATE SAMPLED 91_4 r SAMPLE TIME(2400hr) 17, y <br /> SAMPLE TYPE Groundwater X Surface Water Treatment Effluent Other <br /> CASING DIAMETER 2" X 3" 4" 5" 6" 8" Other <br /> Casing Volume (gallons per foot) (0 17) (0 38) (0 67) (1 02) (1 50) (2 60) ( ) <br /> DEPTH TO BOTTOM(feet)_ aj, 0 CASING VOLUME(gal)= 1.0 <br /> DEPTH TO WATER(feet)= ], j CALCULATED PURGE(gal)= ,.p <br /> WATER COLUMN HEIGHT(feet)_ �1 _ ACTUAL PURGE(gal)_ `p . <br /> FIELD MEASUREMENTS <br /> DATE TIME VOLUME TEMP CONDUCTIVITY pH COLOR TURBIDITY <br /> (2400hr) (gal) (degrees C) (umhos/cm) (units) (visual) (NTU) <br /> fzz .6- zY .aye..,, <br /> i z z< o Z`I 3 �v 3 3 ? 7-3 e v <br /> 3 -7. xz <br /> SAMPLE INFORMATION <br /> SAMPLE DEPTH TO WATER SAMPLE TURBIDITY <br /> 80%RECHARGE YES NO ANALYSES BT)EX,TPHg,5 Oxygenates Via EPA 8260B <br /> ODOR SAMPLE VESSEL/PRESERVATIVE HCL <br /> PURGING EQUIPMENT SAMPLING EQUIPMEN F <br /> Bladder Pump Bailer(Teflon) Bladder Pump Bailer(Teflon) <br /> Centrifugal Pump Bailer(PVC) Centrifugal Pump X Bailer ( PVC or X disposable) <br /> X Submersible Pump Bailer(Stainless Steel) Submersible Pump Bailer(Stainless Steel) <br /> Peristalic Pump Dedicated Penstalic Pump Dedicated <br /> Other Other <br /> Pump Depth <br /> WELL INTEGRITY LOCK# V45, CN A <br /> REMARKS - 2-18 W to <br /> SIGNATURE �22 Page of 7 <br />