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SECOR International Inc. <br /> WATER SAMPLE FIELD DATA SHEET <br /> lECT# 7-Eleven Store#20632 PURGED BY Peng Vang WELL I D MW- {a <br /> i CLIENT NAME 7-Eleven,Inc SAMPLED BY Peng Vang SAMPLC I D Mw- <br /> LOCATION 4627 Da Vinci Drive,Stockton,California QA SAMPLES None <br /> DATE PURGED Z-/$-a START(2400hr) 07.30 END(2400hr) U <br /> DATE SAMPLED 2––4 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) TO-3—8) (0 67) (1 02) (1 50) (2 60) ( ) <br /> DEPTH TO BOTTOM(feet) CASING VOLUME(gal)_ L) <br /> DEPTH TO WATER(feet)= CALCULATED PURGE(gal) <br /> WATER COLUMN HEIGHT(feet)_ �J, y T ACTUAL PURGE(gal)_ (6 <br /> FIELD MEASUREMENTS <br /> DATE TIME VOLUME TEMP CONDUCTIVITY pH COLOR TURBIDITY <br /> (2400hr) (gal) (degrees C) (umhos/cm) (units) (visual) (NTU) <br /> SAMPLE INFORMATION <br /> SAMPLE DEPTH TO WATER S SAMPLE TURBIDITY <br /> 80%RECHARGE YES NO ANALYSES BTEX,TPHg,5 Oxygenates Via EPA 8260B <br /> ODOR 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 Bailer(Stainless Steel) <br /> Penstalic Pump Dedicated Penstalic Pump Dedicated <br /> Other Other <br /> Pump Depth <br /> WELL INTEGRITY LOCK# <br /> REMARKS <br /> SIGNATURE Page of 7 <br />