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T77 7_77 <br /> WELL PURGING—FIELD QUALITY MEASUREMENTS FORM <br /> Pae 1 of I <br /> Location (Site/Facility Name) UniFirst Facility—Stockton, CA Depth to Water(Below TOC)__ 2. 3y' br�c <br /> Well Number MW.2 Date 05/09/05 Depth to Top of screen 25' Bottom of screen 45' (below MP) <br /> Field Personnel _ Craia Tiballi Pump Intake at (ft below MP) 36.5 ft below TOC <br /> Sampling Organization URS Corporation Purging Device, (pump type) Grundfos Pump <br /> Water Cum. <br /> Clock Depth Purge Volume Spec ORP/ <br /> Time below MP Pumps Rate Purged Temp Cond. Eh' DO Turbidity <br /> 24 Hr ft Dial ml/min liters °C 0/cm pH my mg/L NTU Comments <br /> 1301 a 5 12" afv o D 3 a?1 to r o (0 51:0 )3 .3 , 55 X7?2 brow elev <br /> 1 o 015 y 1(05 ig go , ot al `d 1100 115 q ?92 9 <br /> J310 6 qq 170 kn 192 15 (a 17 �o p , '9360 <br /> Ist-9 25 q3' alU 1&0 2.r, 2 OS to 61 & ger 11 a 41L1 6 <br /> 3 it, 19'sq1 C1 3o a5 15- It 0 21 66160 <br /> 131 a 0 31 1 ! 'F5 G 1 ~� 020 50o. o <br /> 13 29 a5 ala 3oo Ll SU 29 g ) 6 4 o 11 3390 <br /> 132 a5 Zol 75o 5.40 29 IF 1 5 3 1 (a 19 Tr 1 cj 0 G) Sy G <br /> 13ag d15 U2 ' a! 320 (6 15 a 3 1 6a o oa g loy o <br /> 135 � <br /> 1 Pump dial setting(for example hertz,cyclesimin,etc <br /> Z pSiemens per cm(same as limhos/cm)at 25 °C <br /> 3 Oxidation reduction potential(stand-in for Eli) <br /> C 1Documents and Sethngslcnba1hXDeskt0plUmFu0t Mcropurge Feld Fonro doc <br />