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BROWN -kNro CALDWELL Well No MW-5 <br /> GROUNDWATER SAMPLE COLLECTION RECORD <br /> Project Name EZ- Serve, Stockton Job No 014140 3c03-©�5- Date <br /> eocalion Station No 100966, 2537 Waterloo Rd 0 Auto Ave , Stockton, CA <br /> Samplers Name M cst i16NNA- <br /> Weather Conditions C faf�, S0tJ1J"-1 - 14 0T- _ <br /> 1 WATER LEVEL DATA' (from TQC) TOC Elevation (from LS) <br /> a Depth to water(ft) _ 6s,Oq Water Table Elev <br /> b Total Well Depth = 90 82 ft Tape Corr (TC) <br /> c Length of Water Column 2y (b -a ) Well Diameter 40x 10" <br /> d Casing Volume = j $_ D Z[� _(c x [gaVft casing]) 2-in casing =016 gaVft <br /> � • 4-in casing =0 fi5 gaVft <br /> e Length of fitter pack = 10 6-in casing = 1 47 gaVft <br /> f Filter pack volume = 2. ! {e x [gaVft filter pack]} 6 5-in casing = 1 70 gaVft <br /> g TOTAL WELL VOLUME = 3E1. 124 {d + f) pim casing =410 gaVft <br /> 12-in casing =5 00 gaVft <br /> 2 WELL PURGING DATA, 8-in hole filter pack = 0 78gallft <br /> a� • 10-in hole fifter pack= 121 gaVft <br /> a Purge Method 'L lr Lie -'� ` I��w`P 12-in hole filter Pack= 1 47gaVft <br /> b. Required Purge Volume (0 . 12 gallons per well volume) = S;z Ca _ <br /> c Reid Testing, Equipment Used l �� I��t, S•C. l Te7,,CP - <br /> . d Pump Rate 2. 3 6?PrA <br /> e Method of GW Disposal 55 gallon drum <br /> f Recovery Rate Slow(90% a 60min), Medium (90%30-60 m Fast {90 o a 10 min) <br /> Volume <br /> Removed Spec Turbidity Color/ Pump <br /> (gal) Time TOC pH Conductivity (NTU's) Description SWL Placement <br /> 1225 'z 1,,0 7,26) � Cd4- f�A"N,C cd--� �g ' <br /> (gZ <br /> 1,014 6-'b <br /> 3 SAMPLE COLLECTION Method Disposable Bader Container 3 x 40 ml VOA Preservation HCL <br /> 0 Analysis TPH s 8015, BTEX 8020 <br /> COMMENTS, REMARKS <br />