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eo gX01Tec�iccs, �4c. <br /> Groundwater Monitoring Field Log <br /> Project Name: City of Escalon(WDR) <br /> Well I.D.: MW-8 <br /> Project No.: 894.2 <br /> Date: 8/2/2011 <br /> Project Location: 25100 River Road <br /> Escalon,CA Samples sent to: Denele Labs <br /> Cumulative <br /> Volume Purged <br /> Time (gal) Temp C. EC(µs/cm) pH ORP(millivolts) DO (mg/L) <br /> Remarks <br /> 13:44 0 21.10 753 6.91 4.5 7.41 Brownish clear, no odor, very few sediments <br /> 13:49 1.5 17.75 893 6.36 50.4 1.23 Brownish clear, no odor,very few sediments <br /> 13:52 3.0 17.76 890 6.29 53.7 1.12 Brownish clear, no odor,very few sediments <br /> 13:54 4.5 17.79 886 6.27 57.4 1.00 Brownish clear, no odor,very few sediments <br /> 13:55 <br /> Collected samples <br /> Purge Method: Dedicated Waterra ❑Centrifugal pump with dedicated tubing ❑Other <br /> Pumping Rate: 0.45 gal/min <br /> Well Constructed TD(n): 46.00 Sample Containers used: 3 #VOAs X <br /> preserved_non-preserved <br /> 'Well TD(n): 45.12 <br /> 1 #polys 100 ml X preserved_non-preserved <br /> Silt Thickness(tty 0.88 1 #polys 250 ml <br /> preserved X non-preserved <br /> Initial DTW(n): 36.45 <br /> 1 Al polys LL preserved X non-preserved <br /> Water column height (ft): 8,67 Notes: <br /> One casing volume(gal): 1.47 <br /> "Final DTW(n): 36.49 Sampled By: E. Nona <br /> Casing diameter (in): 2" <br /> Sample Method: Waterra O Bailer❑ Other ❑ =measured =®sampling <br /> Purged Water Drummed: ❑ Yes � No <br /> Gallons per foot of casing. 2"dia.=0.17, 3"dia.=0.38 4"dia.=0.65, 5"dia.=1.02, 6"dia.=1.48 <br /> No.of Drums: <br /> K:\Jobs\C Jobs\COE wdr 8942\GWM Field Logs\11\3rd Qtr 11 <br /> 8/3/2011 <br />