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BROWN AND CALDWELL well No MW-5 <br /> GROUNDWATER SAMPLE COLLECTION RECORD <br /> i <br /> Project Name EZ-Serve Manteca .lob No 3003-03 Date <br /> lft ation Station No 100878, 1012 West Yosemite Ave, Manteca, CA <br /> Samplers Name �� v,Erj' pt <br /> Weather Conditions ,'zTC,-/ C16(-)1>\/ -5-¢cr <br /> 1 WATER LEVEL DATA (from TOC) TOC Elevation (from LS) <br /> a Depth to water(ft) = 14,71, Water Table Elev <br /> b Total Well Depth = 28 82 ft Tape Corr (TC) <br /> c Length of Water Column - 14,1 i' ' (b -a) Well Diameter 4`x 10" <br /> d Casing Volume = q,1 (c x (gaVft casing]) 2-in casing =016 gallft <br /> e Length of fitter pack - • 6-in casing =147 gal/ft <br /> f Filter pack volume - Z D� ` e x altftfilterpack]) 6 5-in casing = 1 70 gaVft <br /> _ �t Z (d + f) <br /> 8-in casing =2 60 gaUft <br /> g TOTAL WELL VOLUME <br /> ,.� 10-in casing =4 10 gaVft � <br /> 12-in casing =5 00 gal/tt <br /> 2 WELL PURGING DATA' 8-in hole filter pack =0 78gaVft <br /> ���j-r- ��v-1�'i.,.; �����Pj i 10-in hale filter pack= 1 21gaVft <br /> a Purge Method <br /> 12-m hole filter pack= 1 47 aVft <br /> b Required Purge Volume (® 1 Z4 gallons per well volume) _ <br /> c Field Testing, Equipment Used ?SSI 4-::7- oc 14, S,C. , <br /> ed Pump Rate Z �"6 6 pr"1 <br /> e Method of GW Disposal 55 gallon drum <br /> --- <br /> f Recovery Rate Slow(90%> 60min), Medium (90%30-60 min) ast (90%< i 0-mite) <br /> Volume <br /> Removed Spec Turbidity Color/ Pump <br /> (gal) ++Time /JT°c pH Conductivity (NTU's) Description SWL Placement <br /> L I1 ( I j✓ � ' 1 �' i �G/lr � LLG�` F �� t 7 <br /> 14 <br /> SAMPLE COLLECTION Method Disposable Bailer Container 3 x 40 ml VOA Preservation HCL <br /> „Analysis TPH as 8015, BTEX 8020 <br /> r <br /> I <br /> COMMENTS, REMXRKS'� <br />