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BROWN AND CALDWELL Well No MW-5 <br /> GROUNDWATER SAMPLE COLLECTION RECORD <br /> Project Name EZ- Serve Manteca Job No 1565-04 Date <br /> • Location Station No 104878, 1012 West Yosemite Ave , Manteca, CA <br /> Samplers Name. , ► " <br /> Weather Conditions <br /> 1 WATER LEVEL DATA: (from TOC) TOC Elevation (from LS) <br /> a. Depth to water(ft) = l l,,.b-7 Water Table Elev <br /> b Total Well Depth = 28 82 ft Tape Corr (TC) <br /> c Length of Water Column —�ra 19` (b —a) Well Diameter 40x 10' <br /> d Casing Volume (c x [gaVft casing]) 2-in casing =016 gaUft <br /> • 4-in casing =0 65 gaVft <br /> e Length of filter pack —_; "{ ( / ; _ _ 6-€n casing = 1 47 gaVft <br /> f. Filter pack volume x [gaVft filter pack]} 6 5-in casing = 1.70 gallft <br /> 8-in casing =2 60 gal/ft <br /> g TOTAL WELL VOLUME = n 0 ,0 (7et L ___ (d + f) 10-in casing =410 gaVft <br /> / 12-in casing =5 00 gaVft <br /> 2 WELL PURGING DATA: 8-in hole filter pack =0 78gaVf <br /> • 10-in hole filter pack= 1 21 gaVf <br /> a Purge Method 4 " /"0. 1'2 n hole filter pack= 1 47 aVf <br /> b Required Purge Volume(6 allons per well volume)= LOC. A G <br /> c Feld Testing, Equipment Used 7 <br /> d Pump Rate ,5 <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 /> g�yL Placement <br /> (gal) Time TOC pH Conductivity (NTU's) Description <br /> 10a;] <br /> f �r <br /> I <br /> I I , <br /> I <br /> I <br /> I I I 1 <br /> V � <br /> I <br /> i I <br /> 3 SAMPLE COLLECTION Method i Disposable Bader Container 3 x 40 ml VOA Prsservahori HCL- - <br /> TPH (gas)8015, BTEX eo20 <br /> I i t I I I <br /> I �+ COMMENTS, REMARKS I II <br /> I <br /> I <br /> ,,i <br /> it I� IIS <br /> I,II I, �� kl ' I I''I II i ,I III it V I f �i�i i I I i III 1ik I '4 li it t I III I' I f�Ili' {I Il l�il� i i, II IIS IME Y If I II 11"II� I�f ° 1 <br /> I l l <br />