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BROWN AND CALDWELL Well No MW-7 <br /> 1111 1��1 III I I� y��l� <br /> GROUNDWATER SAMPLE COLLECTION RECORD <br /> Project Name EZ- Serve Stockton Job No 3003-05 Date 2- Z1-46 <br /> vocation Station No 100966, 2537 Waterloo Rd ® Auto Ave , Stockton, CA <br /> Samplers Name cel JEe.!N A <br /> Weather Conditions <br /> 1 WATER LEVEL DATA (from TOC) TOC Elevation (from LS) <br /> a Depth to water(ft) _ " 7` Water Table Elev <br /> b Total Well Depth = 86 fib ft Tape Corr (TC) <br /> c Length of Water Column = 3 I .q 0' (b -a ) Well Diameter 2"x 8" <br /> d Casing Volume - _ 510", (c x [gal/ft casing]) • 2-m casing =0 16 gal/ft <br /> e Length of filter pack _ 10 4-in casing = 0 65 gal/ft <br /> 6-m casing = 1 47 galfft <br /> f Filter pack volume (e x [gal/ft filter pack]) 6 5-m casing = 1 70 gal/ft <br /> g TOTAL WELL VOLUME = 12 QOM (d + f) 8-m casing = 2.60 gal/ft <br /> 10-m casing =4 10 gal/ft <br /> 12-in casing =5 00 gal/ft <br /> 2 WELL PURGING DATA • 8-in hole filter pack = 0 78gal/ft <br /> a Purge Method Z r r '�L EC SJR 10-in hole fl Iter pack= 121 gal/ft <br /> 12-in hole filter pack= 1 47gal/ft <br /> b Required Purge Volume (® 1 Z 9O gallons per well volume) = 3 7 t C A-L- <br /> c Field Testing, Equipment Used Ys 3�0o N SIC <br /> id Pump Rate j• S C-7 <br /> e Method of GW Disposal 55 gallon drum <br /> f Recovery Rate Slow (90°/*> 60min), Medium (90%30-60 mm ast (90%< 10 min) <br /> Volume <br /> Removed Spec Turbidity Color/ Pump <br /> (gal) Time rc pH Conductivity (NTU's) Description SWL Placement <br /> j 3 LA 31 001 G,-,q4 F'r e; _,U--g' 77-77 7 -3 ' <br /> rP ��//��yy 63 6- r IDSTLY w <br /> ?a <br /> 0'4� 6 20 112-1 Sri <br /> 0146 ZJ 0 7 (5- 114 Sa --t Pc ED <br /> 3 SAMPLE COLLECTION Method Disposable Bader Container 3 x 40 ml VOA Preservation HCL <br /> Analysis TPH as 8015, BTEX 8020 <br /> COMMENTS, REMARKS <br />