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BROWN AND CALDWELL Well No MW-5 <br /> GROUNDWATER SAMPLE COLLECTION RECORD <br /> Project Name EZ- Serve, Stockton Job No 3003-05 Date <br /> leocation Station No 100966, 2537 Waterloo Rd 0 Auto Ave , Stockton, CA <br /> Samplers Name N(ct7t yr ' <br /> Weather Conditions .12 A I ki - 5-�-o i <br /> 1 WATER LEVEL DATA (from TOC) TOC Elevation (from LS) <br /> a Depth to water(ft) = �;4cjFZl Water Table Elev <br /> b Total Well Depth = 90 82 ft Tape Corr (TC) <br /> c Length of Water Column = 36 3D' (b -a) Well Diameter 4`x 10" <br /> d Casing Volume = Z 3.�,�� Q ^_(c x [gaVft casing)) 2-in casing =0 16 gaVft <br /> • 4-in casing =0 65 gaVft <br /> e Length of finer pack = I 6-in casing = 1 47 gal/ft <br /> f Filter pack volume _ !2. (e x [gaVft fifter pack]) 6 5-in casing = 1 70 gal/ft <br /> g TOTAL WELL VOLUME = 36&R (d + f) 8-in casing =2 60 gal/ft <br /> 10-in 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 /> • 10-in hole filter pack= 1 21 gal/ft <br /> Purge Method 2 if Lt L' , Ss�3 7L)&-1f> 12-in hole filter pack= 1 47gaVft <br /> b Required Purge Volume (6 36.62 _gallons per well volume)= 10 7, Opp &4t _ <br /> c Field Testing, Equipment Used `ft;M� -. <br /> d Pump Rate Z, -` G <br /> e Method of GW Disposal 55 gallon drum <br /> f Recovery Rate Slow (90%> 60min), Medium (90%30-60 min), ast (90% i0 min <br /> Volume <br /> Removed Spec Turbidity Calor/ Pump <br /> (gal) Time T°c pH Conductivity (NTU's) Description SWL Placement <br /> (�14 <br /> 3 SAMPLE COLLECTION Method Di ble Bailer Container 3 x 40 ml VOA Preservation HCL <br /> iAnalysis TPH as 8015, BTEX 8020 <br /> COMMENTS, REMARKS <br /> t ti.b �� �>�tL G'o t,c t✓C� iD I ooQe6- MW- rirl3 <br /> buPL_tGa-TE Codi✓D.-t IOp k�b-MW- �� <br />