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BROWN AND CALDWELL Well No MW-4 <br /> GROUNDWATER SAMPLE COLLECTION RECORD <br /> Project Name Q- Serve Stockton <br /> Job Na 3003-05 Date 2 <br /> Location Station No 100966, 2537 Waterloo Rd ® Auto Ave , Stockton, CA <br /> Samplers Name c 0E iA.) ` <br /> Weather Conditions. 19 Pr I t_- <br /> 1 WATER LEVEL DATA (from TOC) TOC Elevation (from LS) <br /> a Depth to water(ft) _ �q cfP Water Table Elev <br /> b Total Well Depth = 9013 ft Tape Corr (TC) <br /> c Length of Water Column = so.ZZ (b -a) Well Diameter 10' <br /> j �} (c. x [[gal/ft casing]} 2-in casing ng =0.16 gaVft <br /> d Casing Volume = • 4-in casing =0 65 gaVft <br /> e Length of filter pack - 10 6-in casing = 1 47 gal/ft <br /> ITJ4 4 (e x [gaVft filter pack]) 6 5-in casing = 1 70 gal/11. <br /> f Filter pack volume = 8-in casing =2 60 gaVft <br /> g TOTAL WELL VOLUME _ �_(d + f) 10-in casing =410 gal/ft <br /> 12-in casing =5 00 gaVft <br /> 8-in hole filter pack =0 78gaVf <br /> 2. WELL PURGING DATA • 10-in hole filter pack= 1 21gaih <br /> a Purge Method <br /> Cl.t✓L' �v 5 . �J 12-in hole filterck= 1 47aVi <br /> g 11 .�4 allons per well volume)= r' CLS' ZZ G� L <br /> b Required Pure Volume (® P - <br /> c. Field Testing, Equipment Used YS i S. C. ���`'� <br /> Sd Pump Rate <br /> e Method of GW Disposal gallon drum <br /> f Recovery Rate Slow(909/b >60mm), Medium (90%30-60 mi ast 90% <br /> FReo' � <br /> Spec Turbidity Color/ Pump <br /> me TOC pH Conductroty (NTU's) Descnpt�on SWL Placemen <br /> GS <br /> Za �.OZ `�� E <br /> Container 3 x 40 ml VOA Preservation HCL <br /> 3.SAMPLE COLLECTION Method Disposable Bauer <br /> • Analysts TPH s 8015, BTEX 8020 <br /> COMMENTS, REMARKS <br />