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WELL PURGING—FIELD QUALITY MEASUREMENTS FORM <br /> Pae 1 of 1 <br /> Location (Site/Facility Name) UniFirst Facility--Stockton, CA Depth to Water(Below TOC) 2&. 'S 1 <br /> Well Number MW-1 Date 05/09/05 Depth to Top of screen 25' Bottom of screen 45' (below MP) <br /> Field Personnel Craig Tiballi Pump Intake at(ft below MP) 40 ft below TOC <br /> Sampling Organization URS Corporation Purging Deice, (pump type) Grundfos Pump <br /> Water Cum <br /> Clock Depth Purge Volume Spec. ORP/ <br /> Time below MP Pumpt Rate Purged Temp CQndA,,- Eh 3 DO Turbidity <br /> 24 Hr ft Dial ml/min liters °C /cm H my mg/L NTU Comments <br /> 1 ;?G Loft 12(2 600 40 '71 161 7 d <br /> 1 9 21.,4$ 11-8 ao 0 Ro (o 4f '� y <br /> 1742 )V k1 1 ao (loo 'Al a ! a 4 ,77 r 3 .r <br /> 2c. 95 E.3q tVa t a 4 S 3dj <br /> i# X49 <br /> 1 a Sea ftp zq4you 2`f � 5 to 7a v, 3 S20 Is l-I5 a atm 3 1 ��to "yG. 7q 6o :1 a 1 Sy Y1; o,3 Z 72-; o <br /> ► c arc, ?216 <br /> E i t <br /> !Sb 5 T / �yllU <br /> ' Pump dial setting(for example hertz,cycles/min,etc <br /> 2 µSiemens per cm(same asµmhos/cm)at 25 °C <br /> 3 Oxidation reduction potential(stand-in for Eh) <br /> C(Documents and Settmgslctiballi\DesktoplUruFust Micmpurge Field Form doc <br />