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SECOR International Inc. <br /> WATER SAMPLE FIELD DATA SHEET <br /> PROJECT# 7-Eleven Store#20632 PURGED BY Tom Miller WELL I D MW. <br /> CLIENTNAME 7-Eleven,Inc SAMPLED BY Tom Miller SAMPLE I D MW- <br /> LOCATION 4627 Da Vmci Drive,Stockton,Cahfornia QA SAMPLES None <br /> DATE PURGED _ -/ –a' START(2400hr) END(2400hr) <br /> DATE SAMPLED y SAMPLE TIME(2400hr) /57 1 <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) (I 02) (1 50) (2 60) ( } <br /> DEPTH TO BOTTOM(feet)_ _ Y$�/ CASING VOLUME(gal)_ 6 <br /> DEPTH TO WATER(feet)= Y 1� CALCULATED PURGE(gal) <br /> WATER COLUMN HEIGHT(feet)_ ? S'/ ACTUAL,PURGE(gal)= <br /> FIELD MEASUREMENTS <br /> DATE TIME VOLUME TEMP CONDUCTIVITY pH COLOR TURBIDITY <br /> (2400hr) (gal) (degrees C) (umhos/cm) (units) (visual) (NTU) <br /> /7 ? 2- 7. <br /> 96 a <br /> SAMPLE INFORMATION <br /> SAMPLE DEPTH TO WATER _ �( SAMPLE TURBIDITY 57e, � K <br /> 80%RECHARGE _V- YES NO ANALYSES BTEX,TPHg,5 Oxygenates Via EPA 8260B <br /> ODOR SAMPLE VESSEL/PRESERVATIVE HCL <br /> PURGING EQUIPMENT SAMPLING EQUIPMENT <br /> Bladder Pump Batter(Teflon) Bladder Pump Bailer(Teflon) <br /> Centrifugal Pump Bader(PVC) Centrifugal Pump X Bailer ( PVC or X disposable) <br /> X Submersible Pump Bader(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 d_ <br /> ?SIGNATURE Page 4 of 7 <br />