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BROWN AND CALDWELL Well No. MW-1 <br /> GROUNDWATER SAMPLE COLLECTION RECORD <br /> , I IPI�I�P19 i <br /> Project Name EZ- Serve Stockton Job No 1567-04 —Date- <br /> Location Station No 100966 2537 Waterloo Rd 0 Auto Ave , Stockton CA <br /> Samplers Name — <br /> th a `'eua/? <br /> Weather Conditions I,, <br /> 1 WATER LEVEL DATA- (from TQC) TOC Elevation (from LS) <br /> a Depth to water(ft) = &C 0 q Water Table Elev <br /> b Total Well Depth = 90 01 ft Tape Corr (TC) <br /> c Length of Water Column = ,G _ •_(b -a ) Well Diameter 4'x 10' <br /> d Casing Volume = .-�`� Lj JAL {c x [gal/Ft casing]) 2-in casing -016 gal/ft <br /> e Length of filter pack = ��^";r r c• • 4-in casing =0 65 gaVft <br /> pa — 6-in casing - 1 47 gal/ft <br /> f Filter pack volume = (e x [gallft filter pack]) 6 5-in casing =1 70 gaVft <br /> r r 8-In casing =2 60 gaVft <br /> g TOTAL WELL VOLUME _� ��.S ,A,L (d + f) 10-tn casing -4.10 Wit <br /> 1 <br /> 12-In.casing =5 00 gaVft <br /> 2 WELL PURGING DATA. 8-in hole filter pack =0.78gaVft <br /> • 10-in.hole fitter pack= 1.21 gal/ft <br /> a Purge Method a" EI_6 C �' 12-1n hole filter pack= 1.47 aVft <br /> b Required Purge Volume(•_ t. _gallons per well volume) <br /> c. Feld Testing, Equipment Used `� 5 <br /> d Pump Rate a�. S 4P --• -- - _-•..- -•-•-•- <br /> e Method of GW Disposal 55 gallon drum <br /> f Recovery Rate Slow (90%> 60mtn), Medium(90%30-60 min), Fast (90%< 10 min) <br /> Volume <br /> Removed Spec Turbidity Color/ Pump <br /> (gal) Time T°c pH Conductivity (NTU s) Description SWL Placement <br /> 1 C12 �5' <br /> �n ,3 C c <br /> L <br /> I E <br /> 3 SAMPLE COLLECTION, Method Disposable Bailer _Container 3 x 40 ml VOA Preservation HCL <br />. Analysis TPH s 8015. BTEX 8020 <br /> COMMENTS, REMARKS <br />