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i <br /> " BROWN AND CALDWELL Well No MW-2 <br /> GROUNDWATER SAMPLE COLLECTION RECORD <br /> 4irolect Name EZ- Serve, Manteca Job No . 3003-03 Date 17-1-2 <br /> ocation Station No 100878, 1012 West Yosemite Ave , Manteca, CA <br /> Samplers Name _ M C:tJe�jljR - <br /> Weather Conditions 1�z,A 1 t') , U 15/k-V <br /> 1 WATER LEVEL DATA (from TOC) TOC Elevation (from LS) <br /> i <br /> a Depth to water(ft) = 174-1 Water Table Elev <br /> b Total Well Depth = 25 20 ft Tape Corr (TC) <br /> c Length of Water Column = T176 (b -a ) Well Diameter 4"x 10" <br /> d Casing Volume = �7, Q _(c x (gaVft casing]) 2-in casing =0 16 gal/ft <br /> • 4-m casing =0 65 gaVft <br /> a Length of filter pack 6-in casing = 1 47 gaVft <br /> f Filter pack volume (3 _ (e x [gaVft filter pack]} 6 5-in casing = 1 70 gaVft <br /> TOTAL WELL VOLUME _ All•`�' ! d + f 8-in casing =2 60 gaVft <br /> g � _( ) 10-m casing =4 10 gaVft <br /> 12-in casing =5 00 Wit <br /> 2 WELL PURGING DATA 8-in hole filter pack = 0 78gal/ft <br /> a Purge Method 1 rr <br /> --�J � wLA+oirppr • 10-in hole filter pack= 121 gaVft <br /> 12-in hole filter pack= 1 47 aVft <br /> b Required Purge Volume (® H A I -gallons per well volume) = +S.Z----;. Z-,7,4 <br /> c Field Testing, Equipment Used � � �� ��0- (P. <br /> d Pump Rate 2 { U PM <br /> e Method of GW Disposal 55 gallon drum <br /> f Recovery Rate Slow (90% > 60min), M tum(90%30-60 rr n), Fast (90%< 10 min) <br /> Volume <br /> Removed Spec Turbidity Color/ Pump <br /> (9w) <br /> Time T°c pH Conductroity (NTU's) Description SWL Placement <br /> Z Z Gnu& OPOV- r 1 vis Z�4 <br /> Zq l�51 ,b -I'l 6,e E& 1 0q0 mer F+e,'W s s <br /> 44 13Z,!� Aaq 1 <br /> 1330 Zl,°v (p, (o {low ; CC" M�7 -gib <br /> i � I <br /> I <br /> 3' SAMPLE COLLECTION Method' Di le'Bader Container 3 x 40 ml VOA Preservation I HCL <br /> I <br /> Analysis TPH (gas)8015, BTEX 8020 i <br /> COMMENTS, REMARKS <br /> &uen-irigiAli �C10 ZIC c �JfL�C�4�iE 1Cn8 - tl�� b <br /> ` 1 � A ) APV,-- 0�(.t, yuo g&�> -1v Da- <br /> trbFV toP�y - i <br />