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SECOR International Inc. <br /> WATER SAMPLE FIELD DATA SHEET <br /> PR07ECT# 7-Eleven Store#20632 PURGED BY Tom Miller WELL I D MW- <br /> CLIENT NAME 7-Eleven,Inc SAMPLED BY Tom Miller SAMPLE I D MW- <br /> LOCATION 4627 Da Vinci Drive,Stockton,Cahrorma QA SAMPLES None <br /> DATE PURGED START(2400hr) END(2400hr) <br /> DATE SAMPLED SAMPLE TIME(2400hr) 3 U <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) -(1-0—2) (I 50) (2 60) ( ) <br /> DEPTH TO BOTTOM(feet) O CASING VOLUME(gal) 9— <br /> DEPTH <br /> -DEPTH TO WATER(feet)= pZ CALCULATED PURGE(gal) J' <br /> WATER COLUMN HEIGHT(feet)_ 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 /> OC. ccs <br /> �G <br /> 75' <br /> SAMPLE INFORMATION <br /> SAMPLE DEPTH TO WATER SAMPLE TURBIDITY <br /> 80%a RECHARGE _YES NO ANALYSES BTEX,TPHg,5 Oxygenates Via EPA 8260B <br /> ODOR o 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 /> Peristalic Pump Dedicated Penstalic Pump Dedicated <br /> Other Other <br /> Pump Depth <br /> WELL INTEGRITY �n LOCK# � <br /> REMARKS <br /> SIGNATURE Page of 7 <br /> 1 <br />