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09 35 fir <br /> URS Exhibit 5.1.2 MONITORING WELLNO DUNC51I <br /> Consultants Monitoring Well Sampling Data <br /> �! <br /> Project— 2-- <br /> ��El L <br /> Location No 1 r 5 In �'.�1��i.'IC RVE/ �Ol°1tST/C Job No <br /> Sample No(s) f'IA/J-- Sampled By t+7 A <br /> I Sampling Date �VJ flN' Reviewed by Dale--..- <br /> Samphng Method HA&)b 0A11-CID Weather <br /> Sampling Time ( )-S:© Amb Temp (°F) <br /> WATERS EVATION DATA <br /> Method of Measurement Depth Sounder El Depth <br /> otos yes ❑ No <br /> Other �k,/�BC- To Z}D - Depth to Product <br /> Method of Measurement interface Probe ❑ <br /> 1)Well Casing Elevation (WCE) ft <br /> Other <br /> I (from casing top as marked) Casing top <br /> 2) Depth to Water Surface ( DTW) ft <br /> (from casing lop as marked) (2) DTW <br /> 3)Well Depth (WD ) ft (3)WD <br /> (from casing top as marked) T -- T Water Surface (1) WCE <br /> 4) Height of Water Column (H) ft i (4) H <br /> WD-DTW - H �Z-- Well Bottom <br /> T Sea Level <br /> 4YELL PURGE ANQ SSA.MPLING DATA <br /> Single Casing Volume of Water in Well(VW) gals Well Diameter (in) Casino Volume (CV)r11 (gals) <br /> (CV x H - VW) 2 0 163 <br /> Number of Casing Volumes to Purge (NC) 4 0652 <br /> 6 1 468 <br /> Total Volume of Water to Purge (TV) _ gals D CV-(23 49)x[(D24)2] <br /> (VW x NC - TV) CV. n ((D2)112 inift)2h(7 48 gallcu ft) <br />' Purge Method __. (`AC t- T /4-r IALL'Vz A41yo <br /> Date Was Well Pumped Dry 7 ❑ Yes tom! No <br />' Turbrdrty Removed Flow Rate Observations/ <br /> Time Temo°C Cand IWrnh•s) DH (NTUI (oa11_- (oallmonl Phvsrcal Aooearance <br /> R/ 6 Cl CcEA/Z <br /> 1N Tri Tl N AN MMFNT _ <br />' Purgrng/SampliN Remarks E T ACCT /2,/A;/ 14POO, /INATELV /) r-11 1T - <br /> TGFi�/L� tt+ytfr�L/A1L, f��r!E _ L„LOCH 1'�� IU>c 0 F 'r7_// ” <br /> Note A complete fist 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 Comaleted 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 readtna aoplres to the values retarded at sampling <br /> URS9109 892 <br />