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BROWN AID CALDWELL Well No MW-1 <br /> GROUNDWATER SAMPLE COLLECTION RECORD <br /> ,Project Name EZ- Serve, Manteca _ Job No 3003-03 Date <br /> Location Station No 100878, 1012 West Yosemite Ave , Manteca, CA <br /> Samplers Name C-I� JatJAJ A- <br /> Weather Conditions V— 10 t e' V I-"),) �J DS <br /> 1 WATER LEVEL DATA (from TOC) TOC Elevation (from LS) <br /> a Depth to water(ft) _ �y &C,t Water Table Elev <br /> b, Total Well Depth = 25 45 ft Tape Corr (TC) <br /> r <br /> c Length of Water Column = - �5- (b -a ) Well Diameter 4"x 10" <br /> d Casing Volume - . 1 c, 4 ._(c x [gaVft casing]) 2-in casing =0 16 gal/ft <br /> • 4-in casing =0 65 gaVft <br /> e Length of filter pack - rt,�� �'>�h 6-in casing = 1 47 gal/ft <br /> f Filter pack volume 477- (e x [gal1ft filter pack]) 6 5-in casing = 1 70 gaVft <br /> 0 gal/ft <br /> g TOTAL WELL VOLUME _ ��, Q A-t. (d + f} Olin casing =4n casing =2 10 gal/ft <br /> 12-in casing =5 00 gal/ft <br /> 2 WELL PURGING DATA 8-in hole filter pack =0 78gaVft <br /> L3,u� ATE2 • 10-in hole filter pack= 1 21gaVlt <br /> a Purge Method _I 12-in hole filter pack= 1 47 aVft <br /> b Required Purge Volume (0 ! - gallons per well volume)_ 5, — C7k�(_ <br /> c Field Testing, Equipment Used <br /> d. Pump Rate /--�-�;- 6 pf-n <br /> e Method of GW Disposal 55 gallon drum <br /> f Recovery Rate w(90% 60 ), Medium (90%30-60 min), Fast (90%< 10 min) <br /> Volume <br /> Removed Spec Turbidity Calor/ Pump <br /> (gal) Time TOC pH Conductivity (NTU-s) Description SWL Placement <br /> C'c� C�� Z�, ' <br /> 113z- Z0. 4 <br /> i <br /> r <br /> r I <br /> i 3 SAMPLE COLLECTION Method Disposable Bader Container 3 x 40 ml VOA Preservation HCL <br /> 1, 4 Analysts TPH as� 8015, BTEX 8020 <br /> COMMENTS, REMARKS I' I <br /> r <br /> II rl <br /> I <br /> I <br /> r! I r r �rlr r I <br /> I I' II l IE it t II Ir r III 'I er II r I'f 'I !�I II E'I 11 ,I I I I 'ILI <br />