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i i i i i i i i MM i i i M i <br /> dMftl Page <br /> sAn�L� No. WELL. No.. <br /> WATER SAmPLE/WELL DEVELOPMENT LOG MW-3-1,_2.-3 Mw-3 <br /> PROJECT NAME PROJECT NO. DATE <br /> AT&T Lodi 6-90--5030 11/5/90 <br /> NOTES AND CALCULATIONS 1705 - Recovery data. <br /> CASING VOLUME/WELT- VOLUME CALCULATIONS Pump off at 1705. Initial depth to water = 39.25 <br /> Borehole Diameter(inches) 10 <br /> Het t of Water column or Borehole Annulus within uifer(teat): <br /> 12.2a <br /> Borehole VON= (galions) N/A Elapsed Time Depth to Water <br /> Height of Water column in Casing(feet). N/A <br /> casing Volume(gallons); 0.04 39.0 <br /> etl Volume (Borehole Volume-CRslng Volume, llonc)• 12.6b <br /> Number of Well/Casing Volumes to Remove(gallons)• 560 0.23 37.5 <br /> Tota!Volume to Remove llons <br /> Notes: a) Height of water column (dh) - Borehole TD (48)- 0.37 37.0 <br /> t DTW (35.8) 0.59 36.5 <br /> b) Well volume - dh x 3.43 x 0.3 (USATHAMA Method) 1.16 36.3 <br /> Development notes by Shannon O'Hare & Heil Garrett <br /> 1.28 36.2 <br /> Samplers: Shannon O'Hare, Emilio Gonzalez, & Neil Garrett <br /> 1600 - Set up. Intial casing depth reading a 46.4 1720 to 1730 - Sample the well. MW-3-1 = BETX <br /> MW-3-2 = TEH <br /> 1603 - Surge block in place MW-3-3 Duplicate sam le <br /> (TEH) <br /> 1605 - Surge well, using 10-foot strokes (36-46 feet) <br /> 1619 - Finish surging <br /> 1625 - Started bailing the well. Bailed 55 gallons iprelnred . Reviewed br Date <br /> 1655 to 1705 - Pump well using submersible pump. Pumped Environmental <br /> Science & <br /> 110 gallons. Engineering,Inc. <br /> A CRCORP C.lf" <br />