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BROWN AND CALDWELL Well No MW-2 <br /> GROUNDWATER SAMPLE COLLECTION RECORD <br /> 40rolect Name EZ-Serve Manteca Job No cog-C)73 Date <br /> ocation Station No 100878, 1012 West Yosemite Ave , Manteca, CA <br /> Samplers Name <br /> Weather Conditions �b i <br /> 1 WATER LEVEL DATA (from TOC) TOC Elevation (from LS) <br /> a Depth to water(ft) - 14 3�;' Water Table Elev <br /> b Total Well Depth = 25.20 ft Tape Corr. (TC) <br /> c. Length of Water Column = S� l (b -a-) Well Diameter 40x 10' <br /> d Casing Volume - � (c x [gaVft casingj) 2-in casing =0 16 gaVft <br /> • 4-In casing =0 65 gai/ft <br /> e Length of filter pack - _wse!;'_ 6-In casing = 147 gaVft <br /> f Filter pack volume = 0 7 __(e x [gaVft filter pack]) 6 6-in casing = 1 70 gaVtt <br /> � 1 8-In casing =2 60 gal/ft <br /> g TOTAL WELL VOLUME _ )D ?g _(d + f) 10-m casing =410 gaVft <br /> 12-in casing =S 00 gaVft <br /> 2 WELL PURGING DATA. &in hole filter pack =0 78gaUft <br /> • 10-in hole filter pack= 1 21 gaVft <br /> a Purge Method `rte ��'"` '"`� � -rc ' 12-in hole fixer ack= 1 47 al/ft <br /> b Required Purge Volume(® 10,g'?' ailons per well volume)= 3Z .G3 CAL <br /> c Field Testing, Equipment Used vSi � S C. -T-6V--'LP' <br /> d Pump Rate ). 1 6 PM <br /> e Method of GW Disposal 55 gallon drum <br /> f Recovery Rate Slow(90% > 60min), %30-60 min), Fast(909'0< 10 min) <br /> Volume <br /> Removed Spec Turbidity Color/ Pump <br /> (gal) <br /> Time T°c PR Conductivity (NTU's) Description SWL Placement <br /> CgPAy- NN, (b7SoipJ45 <br /> :F dz <br /> 33 144 17,Z 10 11VZ ; <br /> I�kZ� z3$ 7,05- J /f7(-� P� <br /> r I ' <br /> I I I <br /> Ir <br /> 3 SAMPLE COLLECTION* MethodDisposable Bader Container 3 x 40 ml VOA PreservationHCL <br /> i' I Analysis i TPH s 80 <br /> 15, BTEX 8020 <br /> ; <br /> II,' II COMMENTS, REMARKS <br /> u Gck� :Y&- <br /> tr Er.SQDS -M -Zig' i Et c �rN u ] JaDB�S- W-Z <br /> I I <br /> I <br /> I <br /> E� EI r ri {Il I r 11 IIII�� {I � II <br /> I I' :11 <br /> i' <br />