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BROWN AND CALDWELL Well No MWA <br /> GROUNDWATER SAMPLE COLLECTION RECORD <br /> Project Name EZ- Serve Manteca Job No 1565-04 Date:/� rx <br /> iLocation Station No 100878, 1012 West Yosemite Ave, Manteca, CA <br /> Samplers Name _ �'J �;r I'yaP <br /> Weather Conditions <br /> 1 WATER LEVEL DATA. (from TOC) TOC Elevation (from LS) <br /> a Depth to water(ft) - I a 3 _ Water Table Elev <br /> b Total Well Depth = 25 45 ft Tape Corr (TC) <br /> c Length of Water Column = `S� _(b -a) Well Diameter 40x 10' <br /> d Casing Volume = 5, ,�c (c x [gaVft casing]) 2-in casing =0 16 gaVft <br /> i , , • 4-in casing = 0 65 gaVft <br /> e Length of fitter pack - iF? rL, 6-in casing = 1 47 gaVft <br /> f Filter pack volume (e x [gaVft filter pack]) 6 5-in casing = 1 70 gaVft <br /> 8-m casing =2 60 Wit <br /> g TOTAL WELL VOLUME fid (d + f) 10-in casing =410 gaVft <br /> C 12-in casing =5 00 gaVIt <br /> 2. WELL PURGING DATA 8-in hole filter pack = 0 78galth <br /> Z0 10-in hole filter pack= 121 gaVfi <br /> a Purge Method 5f� r M�' t.t,'�'+ �� 12-in hole fitter pack= 1 47 aVfi <br /> b Required Purge Volume (0 _gallons perwell volume)= S3"") C� L <br /> c Field Testing, Equipment Used S <br /> id Pump Rate <br /> e Method of GW Disposal 55 gallon drum _ <br /> f Recovery Rate- Slow(90%>60min), Medium(90%30-60 min), Fast(90%< 10 min) <br /> Volume <br /> Removed Spec Turbidity Color/ Pump <br /> (gal) Time T°c pH Conductivity (NTU's) Description SWL Placement <br /> 075-V ia 0 + kxs r v to Mkto a a3 r <br /> r) '� 04603 2r,J 3,� t <br /> �. wn <br /> .� <br /> 3 SAMPLE COLLECTION' Method Disposable BailerContainer 3 x 40 ml VOA Preservation HCL <br /> I'Analysis!I TPH (gas)8015, BTEX 8020' <br /> ' COMMENTS, REMARKS 1 �' <br /> IIP SII I 41 � �I I ,fi <br />