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BROWN AND CALDWELL Well No MW-1 <br /> GROUNDWATER SAMPLE COLLECTION RECORD <br /> Project Name EZ- Serve Stockton ,fob No 3003-05 Date <br /> doocation Station No 100966, 2537 Waterloo Rd 0 Auto Ave , Stockton, CA <br /> Samplers Name i Ve&l0 A <br /> Weather Conditions L'--'at N - 5&o F <br /> 1 WATER LEVEL DATA (from TQC) TOC Elevation (from LS) <br /> a Depth to water(ft) _ .4Z' Water Table Elev <br /> b Total Well Depth = 90 01 ft Tape Corr (TC) <br /> c Length of Water Column = i�'5 59 (b -a ) Well Diameter 48x 10" <br /> d Casing Volume =_z 3.i (c x [gaVft casing]) 2-m casing =0 16 gaVft <br /> • 4-in casing =0 65 gaVft <br /> e Length of filter pack = iD 6-in casing = 1 47 gaVft <br /> f Filter pack volume - - f Z 1 (e x [gaVft filter pack]) 6 5-in casing = 1 70 gaVft <br /> 8-in casing =2 60 gaVft <br /> g TOTAL WELL VOLUME = 3'� Z3 (d + f) 10-in casing =4 10 gaVft <br /> 12-in casing =5 00 gaVft <br /> 2 WELL PURGING DATA 8-in hole filter pack = 0 78gaVft <br /> a Purge Method <br /> 11 'So-p" • 10-in hole filter pack= 121 gaVft <br /> 2 �t f�J �P <br /> 12-m hole filter pack= 1 47gaVft <br /> b Required Purge Volume (0_ 35,2 3 gallons per well volume) =1 5.70 _C?A-(� <br /> c Field Testing, Equipment Used YSl <br /> d Pump Rate l of 6-1{'ri <br /> e Method of GW Disposal 55allon drum <br /> f Recovery Rate Slow(90% > 60min), Medium (90%30-60 min), ast90% 110 <br /> Volume <br /> Removed Spec Turbidity Color/ Pump <br /> (gal) Time r T°c pH Conductivity (NTU's) Description SWL Placement <br /> 5i cid-t-i <br /> 3-) 14f Iq <br /> SAMPLE COLLECTION Method Disposable Bailer Container 3 x 40 ml VOA Preservation HCL <br /> 0 Analysis TPH as 8015, BTEX 8020 <br /> COMMENTS, REMARKS <br />