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BROWN AND CALDWELL Well No MW-8 <br /> GROUNDWATER SAMPLE COLLECTION RECORD <br /> Project Name EZ Serve, Manteca Job No 3003-03 Date -Z -77-`f[- <br /> 0ocation Station No.100878, 1012 West Yosemite Ave , Manteca, CA <br /> Samplers Name k`"y i J o;ti <br /> Weather Conditions .. i�r?ity Cl <br /> 1 WATER LEVEL DATA. (from TOC) TOC Elevation (from LS) <br /> a Depth to water(ft) = 14 6,,' Water Table Elev <br /> b Total Well Depth = 28 90 ft Tape Corr (TC) <br /> c Length of Water Column = �� 3 j ' (b. -a ) Well Diameter 2"x 8" <br /> d Casing Volume (c x [gaVft casing]) • 2-+n casing =0 16 gal/ft <br /> e Length of filter ck = ' 4-m casing =0 65 gal/ft <br /> _.�� 6-in casing = 1 47 Wit <br /> f Filter pack volume = ,,•� G __(e x {gaVft filter pack]) 6 5-in casing = 1 70 gaVft <br /> TOTAL WELL VOLUME d + f 8-m casing =2 60 gal/ft <br /> 9 --� ( ) 10-in casing =410 gal/ft <br /> gyp, Z 12-in casing =5 00 gal/fl <br /> 2 WELL PURGING DATA • 8-m hole filter pack =0 78gaVft <br /> a Purge Method �q� ��,� _ ,� -r 10-tri hole filter pack= 1 21 gal/ft <br /> 9 12-in hole filter pack= 1 47 aVft <br /> b Required Purge Volume (® �Jfekons per well volume) _ 3 Z 1t C;rAL <br /> c Field Testing, Equipment Used Y-51 -t� -�;;5cc <br /> id Pump Rate 6 1 1 61 PrA <br /> e Method of GW Disposal 55 gallon drum <br /> f Recovery Rate Slow(90% > 60min), utm (90%30-80 mm st (90%< 10 min) <br /> Volume <br /> Removed Spec Turbidity Color/ Pump <br /> (gal) Time Toc pH Conductivity (NTU's) Description SWL Placement <br /> II 1 7 7 L <br /> 7-All �`I l //C—A- Vf`1i�"'lye /-!, <br /> I � I <br /> I I <br /> 1 <br /> I I I I <br /> I <br /> 1 i <br /> 1 E <br /> 3 SAMPLE COLLECTION Method Disposable Bailer Container 3 x 40 ml VOA Preservation, HCL <br /> II I <br /> I I Analysis, TPH as 8015, BTEX 8'020' I' <br /> I ( 3 II II <br /> I COMMENTS, REMARKS ' <br /> I 1 II I I <br /> 1 ' <br /> 1 <br /> 1 I rl�' III ' I I — 'I 1�4 Ilrl at <br /> i 1 11 �I I I If '1111 <br /> di II` !'r II VIII 11' I III I' III ISI '1'111 'orli 11 ,II IE I I II II 'I I I I,Illr `Ilil III III I II I 1 I FYI I I' III RIE III <br /> n <br />