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M. 09.35 1, 35 <br /> URS Exhibit 5.1-2 MONITORING WELLNO:MW-z,3 <br /> ' Consultants Monitoring Well Sampling Data <br /> Project: S*� <br /> Location No: rtM�-Z�J Job No: <br /> Sample No(s): Sampled By: <br /> Sampling Date: ° Reviewed by: Date- <br /> Sampling Method: Weather G�P <br /> Sampling Time: CO Amb.Temp.(°F) �6 <br /> WATER ELEVATION DATA <br /> Method of Measurement: Depth Sounder ] Predicts obs: ❑Yes ❑ No <br /> Other: Depth to Product: <br /> Method of Measurement: Interface Probe <br /> 1)Well Casing Elevation(WCE) It Other: <br /> (from casing top as marked) <br /> 2) Depth to Water Surface(DTW)__ ft - acing top <br /> (from casing top as marked) <br /> JWD <br /> 2)DTYJ <br /> 3)Well Depth(WD) Z 3 �� ft (3) <br /> (from casing top as marked) _ Water Surface (1)WCE <br /> 4) Height of Water Column(H) ft (4) H <br /> WD-DTW . H Well Bottom <br /> WELL PURGE AND SAMPt ING DATA Sea Level <br /> Single Casing Volume of Water in Well(VW) Z_J gals Well Diameter (n) CasingVolume(CV)/tt (gals) <br /> (CVx H - VW) 2 0.163 <br /> Number of Casing Volumes to Purge(NC) 4 0.652 <br /> 6 1.468 <br /> Total Volume of Water to Purge(TV) als D CV-(223.49)x[(D24)2] <br /> (VW x NO - TV) CV- n[(D2)/12 inJft] h(7.48 gallcu.ft.) <br /> Purge Met <br /> h �l <br /> Date: Was Well PumpedDry7 (] Yes No <br /> Turbidity Removed Flow Rate Observations/ <br /> Time Temp*C_ Condi (l.Imh pH (NTU) (9 )al _ al/minPhysical Appearance <br /> co O 2 f- Z2_ fit— _T I 'IL z 2 <br /> tpqQ <br /> ' INSTRUCTIONS AND COMMENTS <br /> Purging/Sampling Remarks <br /> Note:A complete list of containers and analyses used can be found in the ass:,ciated 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 /> uaszioo 6.92 <br />