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BROWN AND CALDWELL Well No Mw-3 <br /> GROUNDWATER SAMPLE COLLECTION RECORD <br /> Project Name EZ- Serve, Stockton Job No 3003-05 Date Z-2!-R/1_ <br /> vocation Station No 100966, 2537 Waterloo Rd 0 Auto Ave , Stockton, CA <br /> Samplers Name �'r 1\/070 mpr <br /> Weather Conditions <br /> 1 WATER LEVEL DATA (from TOC) TQC Elevation (from LS) <br /> a Depth to water(ft) _ t�q 5r�' Water Table Elev <br /> b Total Well Depth = 89 96 ft Tape Corr (TC) <br /> c Length of Water Column = 35.38 ` (b —a) Well Diameter 48x 10" <br /> d Casing Volume = ZZ.Rq (c x [gaVft casing]) 2-in casing =0 16 gaVft <br /> r • 4-in casing =0 65 gaVft <br /> e Length of filer pack = 1 d 6-in casing = 1 47 gal/ft <br /> f Filter pack volume (e x [gaVftfilter pack]) 6 5-m casing = 1 70 gaVft <br /> 8-in casing =2 60 gaVft <br /> g TOTAL WELL VOLUME = 3`�,D�j (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 /> �i • 10-in hole filter pack= 1 21gal/ft <br /> a Purge Method Z UEC. �U n� 12-rn hole filer ack= 1 47 aVl <br /> b Required Purge Volume(6 36 09 _ -gallons per well volume)= ID5- ?,?- 44L <br /> c Field Testing, Equipment Used I* 300 _ �{-� � <S' C <br /> d Pump Rate 2 , { r>f A <br /> e Method of GW Disposal 55 gallon drum <br /> f Recovery Rate Slow (90%> 60min), Medium (90%30-60 min), ast (90%< 10 min) <br /> Volume <br /> Removed Spec Turbidity Color/ Pump <br /> (gal) Time rc pH Conductivity (NTU's) Description SWL Placement <br /> 55 ;5- 14EZ Iq,ct /I I ?-Z 14� . Gam , Fv�� S5 <br /> 3C 1, 17-3 <br /> 3 SAMPLE COLLECTION Method _Disposable Bailer Container 3 x 40 ml VOA Preservation HCL <br /> . Analysis TPH (gas) 8015, BTEX 8020 <br /> COMMENTS, REMARKS <br />