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SECOR International Inc. <br /> WATER SAMPLE FIELD DATA SHEET <br /> ;IROJECT# 7 Eleven Store#17334 PURGED BY T 0� WELL I D _ MW- 3 _ <br /> CLIENT NAME 7-Eleven,Inc SAMPLED BY _,MMMdW .__ SAMPLE I D MW- 3 ^^ <br /> LOCATION 4501 North Pershing Avenue,Stockton,CA QA SAMPLES None <br /> DATE PURGED March✓< 2003 START(2400hr) A)_36 END(2400hr) 40-6-3 <br /> DATE SAMPLED March 0,2003 SAMPLE TIME(2400hr) to y$ <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) CASING VOLUME(gal) <br /> DEPTH TO WATER(feet) CALCULATED PURGE(gal) <br /> WATER COLUMN HEIGHT(feet)_ ���6 ACTUAL PURGE(gal) <br /> FIELD MEASUREMENTS <br /> DATE TIME VOLUME TEMP CONDUCTIVITY pH COLOR TURBIDITY <br /> 347,d3 (2400hr) (gal) (degrees8)C (umhos/cm) (units) (visual) (NTU) <br /> Aa37 3 moo► 111-1-46 "a44V lam' <br /> SAMPLE INFORMATION <br /> SAMPLE DEPTH TO WATER /7.35' SAMPLE TURBIDITY Z491� <br /> 80%RECHARGE rD11—YES NO ANALYSES BTEX,TPH ,5 Oxygenates Via EPA 8260E <br /> ODOR SAMPLE VESSEL I 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 /> Peristatic Pump Dedicated Peristalic Pump Dedicated <br /> Other Other <br /> Pump Depth <br /> WELL INTEGRITY LOCK# <br /> REMARKS <br /> SIGNATURE Page of <br />