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BROWN %ND CALDVVELL well No MW-2 <br /> GROUNDWATER SAMPLE COLLECTION RECORD <br /> Project Name EZ-Serve Stockton I Job No . 1567-04 Date* - <br /> 160cation .-_,-Station„No 100966, 2537 Waterloo Rd 0 Auto Ave , Stockton, CA <br /> Samplers Name tvf e Vi tiJE� <br /> Weather Conditions: CLEalz ` - f <br /> 1 WATER LEVEL DATA (from TOC) TOC Elevation (from LS) <br /> a Depth to water(ft) Water Table Elev <br /> b Total Well Depth = 90 34 ft Tape Corr (TC) <br /> c Length of Water Column = Z&'q 8 (b -a) Well Diameter 40x 10' <br /> d. Casing Volume - 17 53 (c. x [gal/ft casing]) 2-in casing =016 gaVft <br /> • 4-in casing =0 fi5 gaVft <br /> e Length of filter pack = jd r 6-in casing - 1 47 gaVft <br /> f Filter pack volume = I Z I� --_(e x [gaVft filter pack]) 6 5-in casing =1 70 gaVft <br /> TOTAL WELL VOLUME Zq !�3 d. + f 8-in casing =2 60 gaVft <br /> g { } 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 /> r • 10-in hole fitter pack= 121 gaVft # <br /> a Purge Method 2 Sup,-- 'Put-,P 12-in hole filter pack= 1 47 aVft <br /> b Required Purge Volume(® Ions per well volume) = 06 9!(aA4, <br /> c Field Testing; Equipment Used YS) '560 K S C Tom+ 'zp <br /> • d Pump Rate 1 G pe--t <br /> e Method of GW Disposal 55 gallon drum <br /> f Recovery Rate Slow(90%>60min), Medium (90%30-60 mi Fast a< 10 min) <br /> Volume <br /> Removed Spec. Turbidity Color/ SWL Placement t <br /> (gal) Time Tod pH Conductivity (NTU's) Description <br /> Idol 6'ehx- <br /> 123 Z2, �.m6 1,(Oqq < <br /> �0 -34-6' <br /> t <br /> +r � <br /> 3 SAMPLE COLLECTION: Method Disposable Bailer Container 3 x 40 ml VOA Preservation HCL <br /> Analysis TPH (gas)8015, BTEC 8020 <br /> COMMENTS, REMARKS <br />