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BROWN Arra CALDWELL Well No MW-6 <br /> GROUNDWATER SAMPLE COLLECTION RECORD <br /> Project Name - EZ- Serve, Manteca .fob No . 3003-03 Date c Z Z— <br /> Oocation Station No 100878, 1012 West Yosemite Ave , Manteca, CA <br /> Samplers Name 1� °�I Vc-,,i;-k N <br /> Weather Conditions <br /> 1 WATER LEVEL DATA (from TOC) TOC Elevation (from LS) <br /> a Depth to water(ft) _ 1/4 ' Water Table Elev <br /> b Total Well Depth = 27 29 ft Tape Corr (TC) <br /> c Length of Water Column - 1 Z �7 ' (b -a) Well Diameter 4"x 10` <br /> d Casing Volume (c x [gaVft casing]) 2-in casing =0 16 gal/ft <br /> e Length of filter pack = lO: • 4-in casing =0 65 gaits <br /> 6-in casing =1 47 gal/ft <br /> f Filter pack volume = Z10-:� � (e x [galtft filter pack]) 6 5-in casing = 1 70 gal/ft <br /> g TOTAL WELL VOLUME = 2C%, (d + f) 0casing =2.60 gal/ft <br /> 10-i-i n casing =4 10 gaVft <br /> 12-in casing =6 00 gal/ft <br /> 2 WELL PURGING DATA 8-in hole filter pack = 0 78gaVft <br /> T��Pr 70 M I- <br /> b <br /> T- • 10-in hole filter pack= 121 gavft <br /> a Purge Method I � 12-in hole fiAer c!c= 1 47 aVft <br /> b Required Purge Volume (0 ?k--:�4 gallons per well volume) -610- Crl? 64L <br /> c Field Testing, Equipment Used Y�) C -s-� C j 2m <br /> d Pump Rate 1, 2 C-7 PiK _ T <br /> e Method of GW Disposal _55 gallon drum ---- <br /> f Recovery Rate Slow(90% >60mtn), Medium (90%30-60 min), Fast (90%< 10 min <br /> i <br /> Volume <br /> j Removed Spec Turbidity Color/ Pump <br /> (gal) Time T°c pH Conductivity (NTU's) Description SWC Placement <br /> ?�, C� i•� Zv�1 v - �t L'cC� ' CGS „ <br /> 7-7- <br /> G� jr Gc- <br />� � I <br /> I <br /> 3 SAMPLE COLLECTION Method Disposable Bader Container 3 x 40 ml VOA Preservation HCL, <br /> • I Analysis TPH,(gas)8015, BTEX 8020 <br /> � I <br /> COMMENTS REMARKS II I I <br /> li II vtl IIS Ali Id <br /> II <br /> , I <br /> I i rl rl II f <br /> , ,{ 'QI 'I,I l��S I � � 'I I� it E � E , ,I I� , I I Il'f•' i t. �I Iii I' �41 �� �h II .I I � �I, , I I,' � I I, II IIS I I' <br />