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BROWN AND CALDWELL Well No MW-8 <br /> nu.n•�i .... a i� n i�ri i�r��r�� <br /> ' GROUNDWATER SAMPLE COLLECTION RECORD <br /> Project Name EZ- Serve Stockton Job No 3003-05 Date Z 'Z 1-q& <br /> cation Station No 100966, 2537 Waterloo Rd 0 Auto Ave , Stockton, CA <br /> Samplers Name c���E t'l ;'J Ft <br /> Weather Conditions �OA I!J - ri S°F <br /> 1 WATER LEVEL DATA (from TOC) TOC Elevation (from LS) <br /> a Depth to water(ft) -_ _�� 6-0, Water Table Elev <br /> b Total Well Depth = 87 00 ft Tape Corr (TC) <br /> c Length of Water Column = 3 Z.�M' (b -a ) Well Diameter 2"x 8' <br /> d Casing Volume S 2�4 (c x [gaVft casing]) • 2-in casing =0 16 gal/ft <br /> 4-m casing = 0 65 gaVft <br /> e Length of fitter pack - ID 6-in casing = 1 47 gal/ft <br /> f Filter pack volume (e x [gaVft filter pack]) 6 5-in casing = 1 70 gaVft <br /> g TOTAL WELL VOLUME = j (d + f) 8-in casing = 2 60 gaVft <br /> I 0-in casing =4 10 gaVft <br /> 12-in casing = 5 00 gaVft <br /> 2 WELL PURGING DATA • 8-m hole filter pack =0 78gaVft <br /> r10-in hole filter pack= 121 gaVft <br /> a Purge Method 2 �C-i✓G Sc}g i�Jr� 12-in hole fitter pack= 1 47 aVft <br /> b Required Purge Volume (0 l 3 gallons per well volume) <br /> c Field Testing, Equipment Used Ysl -11f 36-o O - <br /> Old Pump Rate 1 '& G Pr, <br /> e Method of GW Disposal 55 gallon drum <br /> f Recovery Rate Slow (90% > 60min), Medium (90%30-60 rein), st (90%< 10 min) <br /> Volume <br /> Removed Spec Turbidity Color/ Pump <br /> (gal) Time rc pH Conductivity (NTU's) Description SWL Placement <br /> 1 3 Q, <br /> Zl� <br /> 3`? OS6(, 20 6' -7.0} zo �7- <br /> OR0q { 25— j Zl,S t--Ar-1PLFD <br /> 3 SAMPLE COLLECTION Method Disposable Bailer Container 3 x 40 ml VOA Preservation HCL <br /> 0 Analysis TPH (gas) 8015, BTEX 8020 <br /> COMMENTS, REMARKS <br />