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SECOR International Inc. <br /> WATER SAMPLE FIELD DATA SHEET <br /> ROJECT 4 7-Eleven Store 432262 PURGED BY Peng Vang WELL I D <br /> CLIENT NAME 7-Eleven,Inc SAMPLED BY Peng Vang SAMPLE I D � <br /> LOCATION 2560 West Grant Line Road,Tracy,CA QA SAMPLES None <br /> DATE PURGED Jul 30,2004 START(2400hr) END(2400hr) <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) (1 50) (2 60) ( ) <br /> DEPTH TO BOTTOM(fed)_ .dD CASING VOLUME(gal)= <br /> DEPTH TO WATER(feet)= _gMWL ,�- (p Z CALCULATED PURGE(gal)_ <br /> WATER COLUMN HEIGHT(feet)= ACTUAL PURGE(gal)_ <br /> FIELD MEASUREMENTS <br /> D UME TEMP CONDUCTIVI'T'Y pH CO TURBIDITY <br /> (2400hr) (gal) a roes C) (umhos/cm) (units visual) (NTU) <br /> SAMPLE INFORMATION <br /> SAMPLE DEPTH TO WATER SAMPLE TURBIDITY <br /> 80%RECHARGE YES NO ANALYSES BTEX,TPHg,5 Oxygenates, 1,2-BCA,EDB via EPA 82608 <br /> ODOR SAMPLE VESSEL/PRESERVATIVE HCI. <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# <br /> REMARKS `a a_ , <br /> SIGNATURE Page to of (� <br />