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SECOR International Inc. <br /> WATER SAMPLE FIELD DATA SHEET <br /> PROJECT# 77BP.54932.03 0946 PURGED B WELL I q i;662,7 <br /> CLIENT NAME ARCO 4932 SAMPLED BY SAMPLE I D 6,),-7 <br /> LOCATION 16 East Harding Way, Stockton, CA QA SAMPLES <br /> /S <br /> DATE PURGED -� START(2400hr END(2400hr) fj lSrf'L <br /> DATE SAMPLED SAMPLE TIME(2400hr) - l gjVQ <br /> SAMPLE TYPE Groundwater X Surface Water Treatment Effluent Other <br /> CASING DIAMETER 2" 3" 4" 5" 6" x 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) = 91000 CASING VOLUME(gal)_ 4W �. <br /> DEPTH TO WATER(feet)= 31:75, CALCULATED PURGE(gal)_ 3"7,1 Z <br /> WATER COLUMN HEIGHT(feet)_ $„t ACTUAL PURGE(gal)= 7.5D <br /> FIELD MEASUREMENTS <br /> DATE TIME VOLUME TEMP CONDUCTIVITY pH COLOR TURBIDITY <br /> (2400hr) (gat) (degrees F) (umhos/cm) (units) (visual) (NTU) <br /> 1 <br /> No field measurements collected_Water purged by vacuum truck <br /> SAS 78 64c.J <br /> 7 <br /> SAMPLE INFORMATION <br /> SAMPLE DEPTH TO WATER .31,81QSAMPLE TURBIDITY Z..3 <br /> 80%RECHARGE V. YES—NO ANALYSE:TPHg,BTEX, MtBE,Fuel Oxygenates <br /> ODOR 6_ SAMPLE VESSEL/PRESERVATIV 3 x 40m1 yoa/HCI <br /> PURGING EQUIPMENT SAMPLING EQUIPMENT <br /> Bladder Pump Bader(Teflon) Bladder Pump X Bailer(Teflon) <br /> Centrifugal Pump Bailer(PVC) Centrifugal Pump w—Bailer ( PVC oreS­disposable) <br /> _Submersible Pump Bailer(Stainless Steel) Submersible Pump Bailer(Stainless Steel) <br /> Peristalic Pump Dedicated Penstalic Pump Dedicated <br /> Other vacuum truck Other <br /> Pump Depth <br /> WELL INTEGRITY LOCK# <br /> REMARKS ` _( — <br /> SIGNAT Page of <br />