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BROWN AND CALDWELL Well No MW-6 <br /> GROUNDWATER SAMPLE COLLECTION RECORD <br /> Project Name EZ- Serve Manteca Job No 3003-03 Date <br /> Lon .!Station No 100878, 1012 West Yosemite Ave , Manteca, CA _ <br /> Samplers Name --- C�) ✓"PI - <br /> Weather Conditions <br /> I <br /> 1 WATER LEVEL DATA: (from TOC) TOC Elevation (from LS) <br /> a Depth to water(ft) 17.0" Water Table Elev <br /> b Total Well Depth = 27 29 It Tape Corr (TC) <br /> c. Length of Water Column = 10,X (b —a) Well Diameter 4"x 10" <br /> d Casing Volume = (a.6 S q {c x (gaVft casing)) 2-in casing =016 gaVft <br /> e Length of fifter pack = • 4-in casing =0 65 gaVft <br /> 9t f 6-in casing = 147 gaVft <br /> f Filter pack volume = )Z.n7 (e x [gaVft filter pack]) 6 5-in casing = 1 70 gaVft <br /> g TOTAL WELL VOLUME (d + f) 8-in casing =2 60 gaVft <br /> 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 Method �(��H' pJr'-��11td rtJAr c 12,4 � 10-m hole finer pack= 121 gaVft <br /> a Purge 12-in hole finer pack= 1 47gaVft <br /> b Required Purge Volume (0„ 1 C% _gallons per well volume) _ !a. j C ,- <br /> c Feld Testing, Equipment Used \/.s 5?20 14 s,C, 7�5 P <br /> pump Rate I 'L3 6 PO <br /> e Method of GW Disposal 55 gallon drum <br /> f Recovery Rate Slow(90% > 60min), Medium(90%30-60 mt , �Ast0%< 10 m <br /> Volume <br /> Removed Spec Turbidity Color/ Pump <br /> (gal) Time TOC pH Conductivity (NTU's) Description SWL Placement <br /> it � <br /> i F <br /> 3 SAMPLE COLLECTION Method Disposable Bailer Container 3 x 40 ml VOA Preservation HCL <br /> Analysts TPH (gas)8015, BTEX 8020 <br /> COMMENTS, REMARKS <br /> f <br /> iEi �i EI �I 'll I r it I ���E {l� �� ' i � � 1 ! � 16 � Ei I� � I. a .. <br />