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SECOR International Inc. <br /> WATER SAMPLE FIELD DATA SHEET <br /> ROJECT 4 7-Eleven Store#14117 PURGED BY Peng Vang WELL I D MW- <br /> CLIENT NAME 7-Eleven,Inc SAMPLED BY Peng Vang SAMPLE I D MW- <br /> LOCATION 2725 Country Club Road,Stockton,CA QA SAMPLES None <br /> DATE PURGED I 2— —0r START(2400hr) END(2400hr) 2 <br /> DATE SAMPLED I--2g-os 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(feet) Zo, CASING VOLUME(gal)= 2, ( <br /> DEPTH TO WATER(feet)_ -7- g CALCULATED PURGE(gal) <br /> WATER COLUMN HEIGHT(feet)= 12, f 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 /> 12,42- Lf 2- /9.0 Tr? 7,72- <br /> 613 <br /> .72- <br /> SAMPLE INFORMATION <br /> SAMPLE DEPTH TO WATER X. SAMPLE TURBIDITY ].cJ <br /> 80"/.RECHARGE RYES NO ANALYSES BTEX,TPHg,5 Oxygenates Via EPA 8260B <br /> ODOR SAMPLE VESSEL 1 PRESERVATIVE HCL <br /> PURGING EQUIPMENT SAMPLING EQUIPMENT <br /> Bladder Pump Bailer(Teflon) Bladder Pump Bailer(Teflon) <br /> Centrifugal Pump Bader(PVC) Centrifugal Pump X Bader ( PVC or X disposable) <br /> X Submersible Pump Bailer(Stainless Steel) Submersible Pump Bader(Stainless Steel) <br /> Peristatic Pump Dedicated Peristalic Pump Dedicated <br /> Other Other <br /> Pump Depth <br /> WELL INTEGRITY,, LOCK# <br /> REMARKS <br /> 17 <br /> SIGNATURE Page of 8 <br />