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09 35 T,. 35 <br /> URS Exhibit 5.1-2 MONITORING WELL NO:iYt3 <br /> Consultants Monitoring Well Sampling Data - <br /> Project: T — ST P <br /> Location No: VVw -2 3 Job No: <br /> ' Sample No(s): Sampled By:__x'\At}- <br /> Sampling Date: I t o S <br /> Revweedby: Date- <br /> , Sampling Method: ( Weather A^ 4 <br /> Sampling Time: r)3 p Amb.Tem 4 + <br /> P'(�� — <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 ❑ <br /> 1)Well Casing Elevation(WCE) tt Other. <br /> (from casing top as marked) <br /> ' 2) Depth to Water Surface(DTW)_ .% 0 as ng top <br /> (from casing top as marked) <br /> 3)Well Depth(WD) ��.6y tt aWD <br /> 2)DTW <br /> (from rked)casing top as ma - <br /> Water Surface (1)WCE <br /> 4) Height of Water Column(H) �L •2— _tt (4) H <br /> WD-DTW = H We"Bottom <br /> )MIL PURGE AND SAMPI INK`DATA f Sea Level <br /> ' Single Casing Volume of Water in Wen(VW)Z-`gals !! Diameter fn) C_asingVolume(CVyTt (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 Water to Purge(TV) gals D CV�(23.49)x[(D24)2] <br /> (VWxNC - 'TV) 2 <br /> n CV- a](D2yt2 inA] h(7.48 gaVcu.ft.) <br /> .Purge Met '[7�1��P� <br /> Date: CY\ o'�- was Well Pumped Dry? El Yes ❑ No <br /> Turbidity Removed Flow Rate Observations/ <br /> Time Temo°C Cn ) q ( ) aVmin Physical Appearance <br /> Io \r _AqT 3roo 1{_ 1yo q <br /> ' INSTRUCTIONS AND CAMM NTS <br /> PurginglSampliing Remarks <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 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 fold, note <br /> which reading applies to the values recorded at sampling. <br /> URS9100 892 <br />