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BROWN arm CALDWELL Well No.-MW-6 <br /> GROUNDWATER SAMPLE COLLECTION RECORD �? <br /> Project Name EZ- Serve, Stockton Job No 3003-05 Date <br /> Location Station No 100966, 2537 Waterloo Rd ® Auto Ave , Stockton, CA <br /> Samplers Name L e 1�I /C-N�J <br /> Weather Conddions r. +.A 1 P i - 5`i'f-- <br /> 1 WATER LEVEL DATA (from TQC) TOC Elevation (from LS) <br /> a Depth to water(ft) = 69•�-L Water Table Elev <br /> b. Total Well Depth = 80 14 ft Tape Corr (TC) <br /> c Length of Water Column = C IO L` (b -a ) Well Diameter 2"x 8" <br /> d Casing Volume = .'L`� (c. x [gal/ft casing]) • 2-in casing =0.16 gal/ft <br /> 4-in casing = 0 65 gaVft <br /> e Length of filter pack - 0 6-in casing = 1 47 gaVft <br /> f Filter pack volume = (e x [gaVft filter pack]) 6 5-in casing = 170 gal/ft <br /> 8-in casing = 2 60 gaVft <br /> g TOTAL WELL VOLUME _� ,C���� (d + f) 10-in casing =410 gaVft <br /> 12-€n casing = 5 00 gaVft <br /> 2 WELL PURGING DATA • 8-in hole filter pack =0 78gaVi <br /> Z ��� IJV� ` Pv�P 10-in hole fitter pack= 1 21gaVt <br /> a Purge Method C� 12-in hole filter pack= 1 47 aVi <br /> b. Required Purge Volume (®_ 1 J_fig gallons per well volume) = <br /> c Field Testing, Equipment Used ys i <br /> d. Pump Rate 11,q 61�+ � <br /> e Method of GW Disposal 55 gallon drum <br /> f Recovery Rate Slow(90°/a >60min), Medium (90%30-60 min) ast (90%< 10 m ' <br /> Volume <br /> Removed Spec Turbidity Color/ Pump <br /> (gal) Time rc PH Conductivity (NTU's) Description <br /> SWL Placemem <br /> q S 3 <br /> (zc <br /> �I G[' 17 � �r 1� �'b� Sok'✓-�t <br /> 3 SAMPLE COLLECTION Method ,Disposable Bailer Container 3 x 40 ml VOA Preservation HCL <br /> Analysis TPH as 8015, BTEX 8020 <br /> COMMENTS, REMARKS <br />