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SECOR International Inc. <br /> WATER SAMPLE FIELD DATA SHEET <br /> ROJECT# 7-Eleven Store#32262 PURGED BY Peng Vang WELL I D MW- j <br /> CLIENT NAME 7-Eleven,Inc SAMPLED BY Prenv Vang SAMPLE 1 D MW- .j <br /> LOCATION 2560 West Grant Line Road,Tracy,CA QA SAMPLES None <br /> DATE PURGED July 30,2004 START(2400hr) ; A 2-- END(2400hr) r 317 <br /> DATE SAMPLED July 30,2004 SAMPLE TIME(2400hr) <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) (L S0) (2 60) ( ) <br /> DEPTH TO BOTTOM(feet)= CASING VOLUME(gal) <br /> DEPTH TO WATER(feet) CALCULATED PURGE(gal) <br /> WATER COLUMN HEIGHT(feet)_ ,c� ACTUAL PURGE(gal)= Z/ <br /> FIELD MEASUREMENTS <br /> DATE TIME VOLUME TEMP CONDUCTIVITY pH COLOR TURBIDITY <br /> n (2400hr) (gal)' (degrees C) (umhos/cm) (units) (visual) (NTU) <br /> SAMPLE INFORMATION <br /> SAMPLE DEPTH TO WATER SAMPLE TURBIDITY <br /> 80%RECHARGEe7 YES NO ANALYSES BTEX,TPHg,5 Oxygenates,1,2-DCA,EDB via EPA 8260B <br /> p <br /> ODOR I k SAMPLE VESSEL/PRESERVATIVE HCL <br /> I PURGING EQUIPMENT SAMPLING EQUIPMENT <br /> Bladder Pump Bailer(Teflon) Bladder Pump Bailer(Teflon) <br /> Centrifugal Pump Bailer(PVC) Centrifugal Pump X Bader ( PVC or X disposable) <br /> X Submersible Pump Bader(Stainless Steel) Submersible Pump Bailer(Stainless Steel) <br /> Penstalic Pump Dedicated Penstalic Pump Dedicated <br /> Other Other <br /> Pump Depth <br /> WELL INTEGRITY LOCK# F� <br /> REMARKS <br /> IGNATURE Page of t� <br />