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BRI OWN Arra CALDWELL Well No M__ w; <br /> GROUNDWATER SAMPLE COLLECTION RECORD <br /> Project Name Q- Serve Stockton Job No 3003-05 Date <br /> . Location Station No 100966, 2537 Waterloo Rd 0 Auto Ave , Stockton, CA <br /> Samplers Name Me��etJx)Ar <br /> Weather Conditions V'A 10 <br /> 1 WATER LEVEL DATA (from TOC) TOC Elevation (from LS) <br /> a Depth to water(ft) = '7q �Z+ Water Table Elev <br /> b. Total Well Depth = 90 01 ft Tape Con' (TC) <br /> c Length of Water Column = 3 0,U (b -a ) Well Diameter 4"x 10' <br /> d Casing Volume (c x [gal/ft casing]) 2-in casing =016 gal/ft <br /> • 4-in casing =0 65 gal/ft <br /> e Length of fitter pack - !d 6-in casing = 147 gal/ft <br /> f Filter pack volume = l'L 1 c, (e. x (gaVft filter pack]) 6 5-in casing = 170 gat/ft <br /> 8-in casing =2 60 gal/ft <br /> g TOTAL WELL VOLUME _ 1, / (d. + f) 10-in casing =410 gal/ft <br /> 12-1n.casing =5 00 gal/ft <br /> 2 WELL PURGING DATA 8-in hole fitter pack =0 78gaV <br /> _ • 10-m hole filter pack= 1 21gaV <br /> a Purge Method Z C '�� v`�P 12-in hole filter pack= 1 47 aVi <br /> b Required Purge Volume (0 _gallons per well volume) = Pq•`� COAL <br /> c Field Testing, Equipment Used Sl `7C(D V, S e c <br /> d Pump Rate Z , Z GT Pm <br /> e. Method of GW Disposal 55 aallon drum <br /> f Recovery Rate Slow(90% > 60msn), Medium (90%30-60 min ast 90%< 10 min) <br /> F�o <br /> Spec Turbidly Calor/ Pump <br /> Time T°c pH Conductivity (NTU's) Description SWL Placement <br /> 1419 1 �'o b Q� <br /> T4( <br /> 3 SAMPLE COLLECTION' Method Disposable Baiter Container 3 x 40 ml VOA Preservation HCL <br /> Analysis TPH as 8015, BTEX 8020 <br /> COMMENTS, REMARKS <br />