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q.a. 09.35 T, 35 <br /> URS Exhibit 5.1.2 MONITORING WELL NO: MV)-IT <br /> ' Consultants Monitoring Well Sampling Data <br /> Project: D LE- Y-> <br /> Location No: VV%ki-1Z Job No: <br /> ' Sample No(s): Sampled By: IMA <br /> Sampling Date: -t os Reviewedby: Date: <br /> Sampling Method: c,. (,e_A Weather <br /> ' Sampling Time: t7 3-3 c�, Amb.Temp.(OF) S <br /> WATER ELEVATION DATA <br /> ' Method of Measurement: Depth Sounder Products obs' ❑Yes No <br /> Other: Depth to Product: <br /> Method of Measurement: Interface Probe El <br /> ' 1)Well Casing Elevation(WCE) ft Other. <br /> (from casing top as marked) , <br /> 2) Depth to Water Surface(DTW)-1 2 I g asing top <br /> (from casing top as marked) <br /> 3)Well Depth(WD) Z(. (P ft (3)WD (2)DTW <br /> (from casing top as market!) � � _ WaterSurface (1)WCE <br /> ' 4) Height of Water Column(H) ' j 5 fl (4) H <br /> WD-DTW - H Well Bottom <br /> WELL PURGE AND SAMPLING DATA Sea Level <br /> Single Casing Volume of Water in Well(VW) I[Z Gals Well Diameter (n) CasingVolume(CV)Ft (gals) <br /> ' (CVx H - VW) 2 0.163 <br /> Number of Casing Volumes to Purge(NC) 3 4 0.652 <br /> 44}} 6 1.468 <br /> Total Volume of Water to Purge(TV) -I gals D CV-(23.49)x[(D24)2 <br /> (VWx NC - TV) CV- n D2 12 in Rt <br /> ' [( )/ 1%(7•46 gal/cu.ft.) <br /> Purge Met od: <br /> Date: Was Well Pumped Dry 4 Yes No <br /> Turbidity Removed Flow Rate Observations/ <br /> Time Temp°C Conn (umho H (NTUI (gall al/min Physical Appearance <br /> 6 :7-10 vl -Z 54v •2! f7-Lt , s <br /> ' f , 20. I'1 Iq L43 <br /> ' INSTRUCTIONS AND COMMENTS <br /> Purging/Sampling Remarks <br /> Note:A complete list of containers and analyses used can be found in the associated sample log. <br /> The final row of readings should list the time sampling was completed and an estimate of the total volume of water <br /> removed. Water measurements should be recorded at each well casing volume. In the observations field, note <br /> which reading applies to the values recorded at sampling. <br /> URSx100 8.92 <br />