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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- <br /> CLIENT NAME 7-Eleven,Inc SAMPLED BY Peng Vang SAMPLE I D MW--3' <br /> LOCATION 4627 Da Vinci Drive,Stockton,California QA SAMPLES None <br /> DATE PURGED /0 START(2400hr) V END(2400hr) <br /> DATE SAMPLED T !h - SAMPLE TIME(2400hr) ) 3 7-- <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) Ito , Z CASING VOLUME(gal)_ IS <br /> S <br /> DEPTH TO WATER(feet)= 7 -7 S CALCULATED PURGE(gal)= if <br /> WATER COLUMN HEIGHT(feet)_ ,7 7 _ ACTUAL PURGE(gal) <br /> FIELD MEASUREMENTS <br /> DATE TIME VOLUME TEMP CONDUCTIVITY pH COLOR TURBIDITY <br /> (2400hr) (gal) (degrees C) (umhos/cm) (units) (visual) (NTU) <br /> 67, a It-11.. <br /> 1312 Zz-L �S[.5- <br /> �] 4 SAMPLE INFORMATION <br /> SAMPLE DEPTH TO WATER ! Fl SAMPLE TURBIDITY <br /> 80%RECHARGE >40 YES NO ANALYSES BTEX,TPHg,5 Oxygenates Via EPA 82608 <br /> ODOR 140 SAMPLE VESSEL/PRESERVATIVE HCL <br /> PURGING EQUIPMENT SAMPLING EQUIPMENT <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 Peristalic Pump Dedicated <br /> Other Other <br /> Pump Depth <br /> WELL INTEGRITY LOCK# tV D <br /> REMARKS <br /> SIGNATURE Page of 7 <br />