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SECOR International Inc. <br /> WATER SAMPLE FIELD DATA SHEET <br /> ROJECT# 7-Eleven Store 432262 PURGED BY Peng Vang WELL,I D MW- ^l <br /> LIENT NAME 7-Eleven,Inc SAMPLED BY Peng Vang SAMPLE I D MW- 7 <br /> LOCATION 2560 West Grant Line Road,Tracy,CA QA SAMPLES None <br /> DATE PURGED July 30,2004 START(2400hr) Z �-J END(2400hr) 1 ,31)3 <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) (4 67) (1 42) (N 50) (2 60) { ) <br /> DEPTH TO BOTTOM(feet)_ ! .L)Z CASING VOLUME(gal) <br /> DEPTH TO WATER(feet)- CALCULATED PURGE(gal)= �•s _ <br /> WATER COLUMN HEIGHT(feet)_ .3 ACTUAL PURGE(gal)= <br /> FIELD MEASUREMENTS <br /> DATE TDME VOLUME TEMP CONDUCTIVITY pH COLOR TURBIDITY <br /> (2400hr) (Bal (degrees C) ( os/cm <br /> 3a3 � --S. <br /> SAMPLE INFORMATION <br /> SAMPLE DEPTH TO WATER SAMPLE TURBIDITY <br /> 80%RECHARGE X YES NO ANALYSES BTEX,TPH ,5 Oxygenates,1,2-DCA,EDB via EPA 8260B <br /> ODOR �DL_N 1) 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 Basler(Stainless Steel) <br /> Peristalic Pump Dedicated Peristalic Pump Dedicated <br /> Other Other <br /> Pump Depth <br /> WELL INTEGRITY (k c ct- LOCK# <br /> REMARKS C7 <br /> Pagc <br /> IGNATURE <br /> of <br /> i <br />