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TDCV <br /> 0 335 Trr 35 ] J <br /> URS Exhibit 5.1-2 MONITORING WELL N0 --- <br /> Consultants <br /> Monitoring Well Sampling Data <br /> �� 17 <br /> ProjectLot lL "/oma 7 - <br /> Location No .� ?S C c?�t42 4 _ AVl-- Job No <br /> Sample No(s) l�N" Jam{— y `� sampled By <br /> Sampling Date Pf r'A c Reviewed by Date <br /> Sampling Method AA1z) AIZ6-D Weather <br /> Sampling Time /5 7o Amb Temp (°F) <br /> WATER ELEVATION DATA <br /> Method of Measurement Depth Sounder F1Deptept its obs ❑Yes ❑ No <br /> Depth to Product <br /> Method of Measurement Interface Probe ❑ <br /> 1)Well Casing Elevation (WCE) ft Other <br /> (from casing top as marked) �/ Casing top <br /> 2) Depth to Water Surface(DTW) 7 71 ft <br /> (from casing top as marked) r (2) DTW <br /> 3)Well Depth(WD ) J l 70 ft (3)WD <br /> (from casing top as marked) _ i Water Sunace (1)WCE <br /> 4) Height of Water Column(H) 7 �_ ft i (4) H <br /> WD-DTW = » <br /> �— Well Bottom <br /> WELL PURGE AND SAMPLING DATA Sea Level <br /> Single Casing Volume of Water in Well(VW) Z7gals Well Diameter (in) CasingVolume(CV)/ft (gals) <br /> (CVx H = VW) 2 0163 <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=(23 49)x((D224) 1 <br /> (VW x NC = TV) CV= n((0/2)/12 in M] ( 7 48 gal/cu ft} <br /> Purge Method <br /> Date Was Well Pumped Dry? [$Yes ❑ No <br /> Turbidly Removed Flow Rate Observations/ <br /> Time Temo°C Cond_ (iimhos) PH^ � (NTU) (9m __ al/min Physical Aooearance <br /> L2-76) I Q. J . LIE -Z-L,Y L-�Cr� 71i��wcl <br /> LY-c r _Y , 7.67 <br /> IN,5TRUQTIONS ANQMM <br /> Purging/Sampling Remarks <br /> Note A complete list of containers and analyses used can be found in the associated sample fog <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 /> UA58100 8192 <br />