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Well No. M�l <br /> BROWN om CALDWELL <br /> GROUNDWATER SAMPLE COLLECTION RECORD <br /> Protect Name Q- Servo Stockton <br /> Job No . 3003-05 Date <br /> I <br /> Location Station No 100966, 2537 Waterloo Rd ® Auto Ave , Stockton, CA <br /> Samplers Name <br /> Weather Conditions t1�R J`I 1�'1 N 5 h 2 e <br /> i <br /> 1 WATER LEVEL DATA (from TOC) TOC Elevation (from LS) <br /> a. Depth to water(ft) - 6�9,,�7 Water Table Elev <br /> b. Total Well Depth = 86 68 ft Tape Corr (TC) <br /> c Length of Water Column = Z& 0)i (b--a ) Well Diameter 2"x 8' <br /> d Casing Volume (c x (gaVft casing]) • 2-in casing =0.16 gaVf <br /> 4-In casing =0 65 gai/f <br /> e Length of filter pack = 14 6-in casing = 1 47 gal/f <br /> f Filter pack volume - �7 (e x (gal/ftfiner pack]) 6 5-in casing = 1 70 gal/F. <br /> 8-in casing =2 60 gaVf <br /> g TOTAL WELL VOLUME = ) -00 a (d. + f) 10-In casing =4 10 gaVf <br /> 12-In casing =a 00 gaVf <br /> 2. WELL PURGING DATA • 8-m hole fitter pack = 0 78gal, <br /> LCL 10-in hole filter pack= 1 21gal, <br /> a Purge Method " 12-in hole filter pack= 1 47 aL <br /> b Required Purge Volume (@ __gallons per well volume) <br /> c. Feld Testing, Equipment Used <br /> d Pump Rate ) 5- 6- P� <br /> e Method of GW Disposal 55 gallon drum <br /> f Recovery Rate Slow (90% > 60min), Medium (90%30-60 mm (90%< 10 min) <br /> Volume Spec Turbidity Color/ Pump <br /> Removed SWL Placemer <br /> (gal) Time T°c pH Conductivity (NTU's) Description <br /> Z J5r 0 43& 19,'4 19;5- <br /> L' cl*� <br /> 3 SAMPLE COLLECTION' Method Disposable Bader Container 3 x 40 ml VOA Preservation HCL <br /> Analysis TPH as 8015, BTEX 8020 <br /> COMMENTS, REMARKS <br />