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BROWN Arra CALDWELL Well No - MW-8 <br /> GROUNDWATER SAMPLE COLLECTION RECORD _ <br /> �rolect Name EZ- Serve Manteca Job No . 3003-03 Date <br /> ocation Station No 100878, 1012 West Yosemite Ave , Manteca, CA <br /> Samplers Name. `V1 J GN Aj P�- <br /> Weather Conditionsi ��Ey baa <br /> 1 WATER LEVEL DATA (from TOC) TOC Elevation (from LS) <br /> a Depth to water(ft) = 11.0, Water Table Elev <br /> b Total Well Depth = 28 90 ft Tape Corr (TC) <br /> c Length of Water Column = (b -a) Well Diameter 2"x 8" <br /> d Casing Volume - ����' (c x [gaVft casing]) • 2-in casing =016 gaVft <br /> 4-in casing =0 65 gaVft <br /> e Length of filter pack = 6-in casing = 1 47 gaVft <br /> If Filter pack volume - `f (e x [gal/ft finer pack]) 6 5-in casing = 170 gaVft <br /> 8-in casing =2 60 gal/ft <br /> g TOTAL WELL VOLUME = (d + f) 10-in casing =410 gaVft <br /> 12-in casing =5 00 gaVft <br /> 2 WELL PURGING DATA' • 8-€n hots filter pack =0 78gal/ft <br /> _ 10-in hole filter pack= 1 21 gaVft <br /> a Purge Method ���'``� VOL(, 12-in hole filter ack= 1 47 al/ft <br /> b Required Purge Volume (® 1 D ` 5 ailons per well volume) = <br /> c f=ield Testing, Equipment Used S,C' -767, -A <br /> d Pump Rate <br /> e Method of GW Disposal 55 gallon drum <br /> f Recovery Rate Slow(90% > 60mi , Medium (90%30-60 min), Fas 90%< 10 min) <br /> Volume Spec Turbidity Color/ Pump <br /> Removed SWL Placement <br /> (gal) Time T°o pH Conductivity (NTU's) Description <br /> 10, 0 Z� 21.4 :70'5- I L1Cr 1 —so"-V7 �� <br /> 1 Div Z��� G4 971 <br /> 3 :7.0-Z <br /> 0 ZZ.`Z 17C4 I .0-Zq , t-)A- t z�-r b <br /> I i <br /> I <br /> 31 SAMPLE COLLECTION Method Di le Bailer I Container 3 x 40 ml VOA Preservation HCL <br /> � <br /> II - - - <br /> I Analysis 7PH (gas) 8015;L3TDC 80201 I � I ' <br /> I <br /> I <br /> COMMENTS, REMARKS ` I E II I I' I 'I I I, E t II I <br /> 1 <br /> ' <br /> I , <br /> i k• I , � � I il' I 1 'I 'I sl it I E kl �s 'I ��� 1�1��� I� � � ,� <br />