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SECOR International Inc. <br /> WATER SAMPLE FIELD DATA SHEET <br /> ROJECT# 7-Eleven Store#17334 PURGED BY Tom Miller WELL I D MW- _ <br /> CLIENT NAME 7-Eleven,Inc SAMPLED BY Tom Miller SAMPLE I D MW- <br /> LOCATION 4501 North Pershing Avenue,Stockton,CA QA SAMPLES None <br /> DATE PURGED o 3 START(2400hr) / y END(2400hr) S V <br /> DATE SAMPLED _ /63 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) (0 38) (0 67) (1 02) (I 50) (2 60) ( ) <br /> DEPTH TO BOTTOM(feet)= 3?- 9/ _ _ CASING VOLUME(gal)= 3yo <br /> DEPTH TO WATER(feet)= /?- k6 CALCULATED PURGE(gal) <br /> WATER COLUMN HEIGHT(feet)_ 2 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 /> seo <br /> S 3 d <br /> SAMPLE INFORMATION <br /> SAMPLE DEPTH TO WATER SAMPLE TURBIDITY E} U <br /> 80%RECHARGE _C YES NO ANALYSES BTEX,TPHg,5 Oxygenates Via EPA 8260B <br /> ODOR (j 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 LOCK# <br /> REMARKS + <br /> SIGNATURE Page of 5 <br />