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BROWN AND CALDWELL well No. MW-6 <br /> GROUNDWATER SAMPLE COLLECTION RECORD <br /> Project Name EZ- Serves Stockton Job No 1567-04 Date. 6 Zip lky <br /> Location Station No 100966, 2537 Waterloo Rd 0 Auto Ave , Stockton, CA - <br /> Samplers Name <br /> Weather Conditions <br /> 1 WATER LEVEL DATA (from TOC) TOC Elevation (from LS) <br /> a Depth to water(ft) = &o 0 a! Water Table Elev <br /> b Total Well Depth = 8014 ft Tape Corr (TC) <br /> c Length of Water Column = (b —a) Well Diameter 2'x 8" <br /> d Casing Volume = 3 15�C� c (c x [gaVft casing]) • 2-in casing =016 gal/ft <br /> e Length of filter pack = ��` 4-in casing =0 B5 gaVft <br /> 6-in casing = 1 47 gaVft <br /> f Filter pack volume W -�'6�4 L (e x [gaVft filter pack]) 6 5-in casing = 1 70 gaVft <br /> g TOTAL WELL VOLUME _ (a �A-i, (d + f) 8-m casing =2 60 gallft <br /> 10-€n casing =4 10 gal/ft <br /> 12-€n casing =5 00 gaVft <br /> 2 WELL PURGING DATA • 8-in hole filter pack =0.78gaVft <br /> a Purge Method " EG�c. u/� �u�+ 10-in hole filter pack= 1.21gal/ft <br /> 12-in hole filter pack= 1.47 aVft <br /> b Required Purge Volume(0 !lo gallons per well volume) = S2-4 g-Z, <br /> c Field Testing, Equipment Used `J . <br /> d Pump Rate 2 0 ''A <br /> e Method of GW Disposal . 55 gallon drum <br /> f Recovery Rate Slow(90% i 60mm), Medium (90%30-60 min), (90%a 10 min) <br /> Volume <br /> Removed Spec Turbidity Color/ Pump <br /> (gal) Time rc pH Conductivity (NTU s) Description SWL Placement <br /> to ?o P6 6- <br /> 3 <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 />