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SECOR International Inc. <br /> WATER SAMPLE FIELD DATA SHEET <br /> PROJECT# 7-Eleven Store#20632 PURGED BY Peng Vang WELL 1 D MW- (o <br /> CLIENT NAME 7-Eleven, Inc SAMPLED BY Peng Vang SAMPLE I D MW- (o <br /> LOCATION 4627 Da Vinci Drive,Stockton,California QA SAMPLES None <br /> DATE PURGED jam- h START(2400hr) / join END(2400hr) / ?.1St <br /> DATE SAMPLED _106 SAMPLE TIME(2400hr) 132-7 <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)= 1 q U(.d, CASING VOLUME(gal) <br /> DEPTH TO WATER(feet)= 7 (�n CALCULATED PURGE(gal)= 3 4!57 <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 /> 15)b 1, 2- 21.E 7 7. 50 <br /> ,31 Z ;Y-! •'I 2-5q 7. 52-_ <br /> 131 y 3'(y 24� L ,qca tt, Brn, <br /> SAMPLE INFORMATION <br /> SAMPLE DEPTH TO WATER 7, 7-3 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# A)D <br /> REMARKS =�r - 7i — - - <br /> SIGNATURE l/ Page of 7 <br />