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BRONATN Alva CALDWELL Well No MW-8 <br /> GROUNDWATER SAMPLE COLLECTION RECORD <br /> Project Name EZ- Serve, Stockton Job No. i1,. 3003_05- Date <br /> Wocation- Station No 100966, 2537 Waterloo Rd ® Auto Ave , Stockton, CA <br /> Samplers Name. _ �{ �►lir N/'J la- - -- <br /> Weather Conditions a-OT <br /> 1 WATER LEVEL DATA: (from TQC) TOC Elevation (from LS) <br /> a. Depth to water(ft) = G3,Z9' Water Table Elev <br /> b Total Well Depth = 87 00 ft Tape Corr (TC) <br /> c Length of Water Column - Z3,�I i (b.-a) Well Diameter 2'x 8' <br /> d Casing Volume = 3 (c.x [gaVft casing]) • 2-in casing =0.16 gait" <br /> 4-in. casing =0 67 ga <br /> e Length of filter pack - 1 n ban casing gal/ft <br /> f Filter pack volume .8 4 (e x [gaVft filter pack]) 6 5-in casing = 1 70 gaVft <br /> TOTAL WELL VOLUME _ 1 �` d + f 8-in casing =2 60 gaL4t <br /> g { } 10-in casing =4 10 gal/ft <br /> 12-in casing =5.00 gal ft <br /> 2. WELL PURGING DATA • 8-in bole filter pack = 0 78gaVft <br /> 2�, E'�. �� P 10-in hole filter pack= 1 21 gala <br /> a. Purge Method 12-in hole fitter pck= 1 47 al/ft <br /> b. Required Purge Volume (0 H ,593 gallons per well volume)= 4,� C U <br /> c Field Testing; Equipment Used }SSI "#3 5 C• tr w�� <br /> d. Pump Rate 1,15 6-7 Pt-.( <br /> e. Method of GW Disposal 55 gallon drum <br /> f. Recovery Rate Slow(90% >60min), Medium(90%30-60 min) Fast %< 10 min) <br /> Volume <br /> Removed Spec. Turbidity Color/ Pump <br /> (gal) Time T°c pH Conductivity (NTU's) Description SWL Placement <br /> 5AW b V srG y, Y, <br /> Z4 O g le t Z 4 03 <br /> 35 7,0S i D&e C!A ay" ' <br /> a940 zz 3 7 33 044 Pc.>co <br /> 3 SAMPLE COLLECTION. Method Dlsposable Bailer Container 3 x 40 ml VOA Preservation HCL <br /> i Analysis TPH (gas)8015,BTEX 8020 <br /> COMMENTS, REMARKS <br />