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BROWN AND CALDWELL Well No. MW-3 <br /> GROUNDWATER SAMPLE COLLECTION RECORD <br /> Project Name EZ- Serve Manteca Job No 1565-04 Date 7 '?S— <br /> iLocation Station No 100878, 1012 West Yosemite Ave , Manteca,CA <br /> Samplers Name "&t,A 2 <br /> Weather Conditions _ C'_l�q� /- e/ <br /> 1 WATER LEVEL DATA- (from TOC) TOC Elevation (from LS) <br /> r <br /> a Depth to water(ft) - l r 3 Water Table Eiev <br /> b Total Well Depth 25 77 ft Tape Corr (TC) <br /> c Length of Water Column = - I -(b -a ) Well Diameter 4"x 10` <br /> d. Casing Volume 5 (c x [gaVft casing]) 2-in casing =0 16 gaYft <br /> • 4-in casing =0.65 gaVft <br /> Is Length of filter pack - i?esu! 'o r 6-in casing = 1.47 gaVft <br /> f. Fitter pack volume = i ( (e x [gaVft filter pack]) 6 5-m casing =1 70 gaVft <br /> 8-in casing =2.60 gal/ft <br /> g TOTAL WELL VOLUME = 1 r c (d + f) 10-in casing =410 gaVft <br /> 12-in casing =5 00 gaVft <br /> 2. WELL PURGING DATA: 8-in hole filter pack = 0 78gaV1 <br /> • 10-in hole filter pack= 121 gal/€ <br /> a.Purge Method 0 P'f 12-in hole filler pck= 1 47 aVl <br /> b Required Purge Volume(0 12.�fi gallons per well volume)= S 34 a ,U <br /> c Feld Testing, Equipment Used — <br /> d. Pump Rate 5 <br /> e.Method of GW Disposal 55 allon drum <br /> f Recovery Rate- Slow(900/6 >60min), Medium (90%30-60 min), as 0%< 10 min) <br /> Volume <br /> Removed Spec Turbidity Color/ Pump <br /> (gal) Time rc pH Conductivity (NTU's) Description SWL Placemem <br /> R3 <br /> 56 ho, <br /> 3 SAMPLE I <br /> COLLECTION. Method Disposable Bader Container, 3 x 40 mi VOA ' Preservation HCL <br /> � <br /> I Analysis TPH (gas) 8015, BTIX 8020 <br /> COMMENTS, REMARKS <br />