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BROWN AND CALDWELL Well No MW-2 <br /> GROUNDWATER SAMPLE COLLECTION RECORD <br /> Project Name EZ- Serve, Stockton Job No 3003-05 Date Z-Z!-4 Z <br /> 00cation Station No 100966, 2537 Waterloo Rd 0 Auto Ave , Stockton, CA <br /> Samplers Name Wrl JEo l-JA <br /> Weather Conditions 16t-a Q <br /> 1 WATER LEVEL DATA (from TOC) TOC Elevation (from LS) <br /> a Depth to water(ft) = S�} 6q` Water Table Elev <br /> b Total Well Depth = 90 34 ft Tape Corr (TC) <br /> c Length of Water Column - 35 �5 ` (b -a) Well Diameter Wx 10" <br /> d Casing Volume = Z3.1 7 4 (c x [gaVft casing]) 2-m casing =0 16 gaVft <br /> e Length of filter pack = I p` • 4-in casing =0 65 gaVft <br /> 6-in casing = 1 47 gal/ft <br /> f Filter pack volume - )Z. ( a (e x [gaVft filter pack]) 6 5-in casing = 1 70 gaVft <br /> g TOTAL WELL VOLUME = 35- Z�4 (d + f) 8-in casing =2 60 gaVft <br /> 10-in casing =4 10 gaVft <br /> 12-in casing =5 00 gaVft <br /> 2 WELL PURGING DATA 8-in hole filter pack = 0 78gaVft <br /> Is . 10-1n hole filter pack= 121 gaVft <br /> a Purge Method 2 LEC. �v rK P 12-in hole filter ick= 1 47gaVft <br /> b Required Purge Volume (@ 5,2 gallons per well volume}= t 0 5�°! G L <br /> c Field Testing, Equipment Used YS I 3'Soo p 14 SC TS w,P <br /> d Pump Rate zl:?- d2PA <br /> e Method of GW Disposal 55 gallon drum <br /> f Recovery Rate Slow (90% > 60min), Medium (90%30-60 min , ast (90%< 10 mm <br /> Volume <br /> Removed Spec Turbidity Color/ Pump <br /> (gal) Time T°c PW Conductivity (NTU's) Description SWL Placement <br /> s5 5 1 2 611 20,1 I3 1 130 ei-cA�) <br /> f 1 a 13 ZC C 1,1 z- 1 1 3 3 � <br /> -17 <br /> 3 SAMPLE COLLECTION Method Disposable Bailer T_Container 3 x 40 ml VOA Preservation HCL <br /> 0 Analysis TPH (gas) 8015, BTEX 8020 <br /> COMMENTS, REMARKS <br />