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SECOR International Inc. <br /> WATER SAMPLE FIELD DATA SHEET <br /> ROJECT# 7-Eleven Store#20632 PURGED BY Peng Vang WELL 1 D MW- <br /> CLIENT NAME 7-Eleven,Inc SAMPLED BY Peng Vang SAMPLE I D MW- (p <br /> LOCATION 4627 Da Vinci Drive,Stockton,California QA SAMPLES None <br /> DATE PURGED - -O5, START(2400hr) /035_ _ END(2400hr) f*U 9 <br /> DATE SAMPLED -/_p S SAMPLE TIME(2400hr) 1/0-3 <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)_ I q T7 S CASING VOLUME(gal) <br /> DEPTH TO WATER(feet)= 7 ZCALCULATED PURGE(gal)= 3, <br /> WATER COLUMN HEIGHT(feet)_ 7 ACTUAL PURGE(gal)_ <br /> FIELD MEASUREMENTS <br /> DATE TIME VOLUME TEMP CONDUCTIVITY pH COLOR TURBIDITY <br /> (2400hr) (gal) (degrees C) (umbos/cm) (units) (visual) (NTU) <br /> - r-off ,o_tz 215,3 7oS _ _ � <br /> /0 1/y Z ,0 (01-3 7-3a.D t ,r- Lati.J <br /> 1 y N(a _ 2 to _ 2'1 7 fo S 9 7 z8 S fM2,4kw _kzez)- _ <br /> SAMPLE QdFORMATION <br /> SAMPLE DEPTH TO WATER 33 SAMPLE TURBIDITY Lt j <br /> 80%RECHARGE _No YES NO ANALYSES BTEX,TPHg,5 Oxygenates Via EPA 8260B <br /> ODOR if-5- SAMPLE VESSEL/PRESERVATIVE HCL <br /> PURGING EQUIPMENT SAMPLING EQUIPMENT <br /> Bladder Pump Bailer(Teflon) Bladder Pump Bailer(Teflon) <br /> Centnfugai Pump Baller(PVC) Centnfugal Pump X Bailer ( PVC or X disposable) <br /> X Submersible Pump Bailer(Stainless Steel) Submersible Pump Bailer(Stainless Steel) <br /> Penstalrc Pump Dedicated Penstalrc Pump Dedicated <br /> Other Other <br /> Pump Depth <br /> WELL INTEGRITY ,,� LOCK# yT6) <br /> REMARKS ZsQ— Z, }y - - �,, <br /> a <br /> SIGNATURE Page of 7 <br />