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BROWN AND CALDWELL Weil No MW-1 <br /> GROUNDWATER SAMPLE COLLECTION RECORD <br /> Project Name EZ-Serve Manteca Job No 3003-03 Date <br /> Wocation Station No 100878, 1012 West Yosemite Ave , Manteca, CA <br /> Samplers Name M"-=lV E57 Jjop, <br /> Weather Conditions 'Fa>~Ti_,/ acc> -,Y- <br /> 1 <br /> -1 WATER LEVEL DATA (from TOC) TOC Elevation (from LS) <br /> a Depth to water(ft) _ )J5 c7, Water Table Elev <br /> b Total Well Depth = 25 45 ft Tape Corr (TC) <br /> c Length of Water Column = /C 40 (b -a ) Well Diameter 4"x 10" <br /> d Casing Volume _(c x [gaVft casing]) 2-in casing =016 gaVft <br /> • 4-in casing =0 65 gaVft <br /> e Length of filter pack - l 6-in casing = 1 47 gaVft <br /> f Filter pack volume - 2 (e x [gaVft filter pack]) 6 5-in casing = 1 70 gaVft <br /> 8-in casing =2.60 gaVft <br /> g TOTAL WELL VOLUME _ ? (d + f) 10-in casing =410 gaVft <br /> 12-in casing =5 00 gaVft <br /> 2 WELL PURGING DATA 8-1 n hole filter pack =0 78gaYft <br /> � • 10-in hole filter pack= 1 21gaVft <br /> a Purge Method FAe-,1 �J r--x to J A`7r l 12-in hole filter pack= i 47 aVft <br /> b Required Purge Volume (0 1 G3 gallons per well volume) _ 66-4c C e- <br /> c Field Testing, Equipment Used <br /> d Pump Rate . C15"' 6 T> <br /> e Method of GW Disposal 55 gallon drum <br /> f Recovery Rat_ Siow (90%> 60mi edium (90%30-60 min), Fast (90%< 10 min) <br /> Volume <br /> Removed Turbidity Color/ Pump <br /> (gal) Time Toe pH Conductivity (NTU's) Description <br /> SWL Placement <br /> �-, f"ICSr'Gi F-} <br /> Ick �GZ7 Zo.> .�� j st r)'.'e SUS <br /> a� f0�✓ LC' S � �� � j� Sc.rgN�iL�� Cr-c�e1L�Y <br /> i I rG Z 3 7 )z <br /> f <br /> 1J15 I .�� 13 f ! 3�:F- <br /> f E i f <br /> I f <br /> 3`SAMP,LE COLLECTION Method Disposable Bailer _ _Container 3 x 40 ml VOA Preservation ; HCL <br /> i Analysis TPH (gas 8015, BTEX 8020 <br /> COMMENTS, R <br /> EMARKS <br /> I L E 4 t'i C-t> T� 1.)W- Jt:l <br /> II li� <br /> I I' <br /> i � I <br />