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BROWN Arra CALDWELL well No MW-7 <br /> GROUNDWATER SAMPLE COLLECTION RECORD <br /> Project Name EZ- Serve Stockton Job No 66600 s Sao S--©-IV Date 4-14-``t S <br /> &ocatlon Station No 100966, 2537 Waterloo Rd ® Auto Ave , Stockton CA <br /> Samplers Name W T I VErvr'j4 <br /> Weather Conditions <br /> TOC Elevation from LS <br /> 1 WATER LEVEL DATA (from TOC) ( ) <br /> a. Depth to water(ft) = G3• �Z i Water Table Elev <br /> b Total Well Depth = 86 68 ft Tape Corr (TC) <br /> c Length of Water Column = 23.1 (b -a-) Well Diameter 2"x 8' <br /> d Casing Volume = 3,-703 (c x [gaVft casing]) • 2-in casing =0 16 gaVft <br /> s 4-in casing =0 65 gaVft <br /> e Length of filter pack - 1 6-in casing = 1.47 gaVft <br /> f Filter pack volume - g3 q (e x [gaVft filter pack]) 6 5-in casing = 170 gaVft <br /> g TOTAL WELL VOLUME = I t"5-da f(d + 8-in casing =2 60 Vft <br /> ) 10-in casing =4 10 gal/ft <br /> 12-in casing =5 00 gaVft <br /> 2. WELL PURGING DATA • 8-1n hole fitter pack =0 78gaVft <br /> 10-in hole finer pack= 1 21 gaVft <br /> a Purge Method Z El.�C. S0i� �J.�s� 12-in hole filter ack= i 47 aVft <br /> b Required Purge Volume (0 l fy��gallons per well volume) = 34,,OCfYL <br /> c Field Testing, Equipment Used YS I :-$I-SSC) <br /> . d Pump Rate 1 3 Pr--A <br /> e Method of GW Disposal 55 gallon drum <br /> f Recovery Rate Slow(90%>60min), Medium(90%30-60 min), est O%< 10 min) <br /> Volume <br /> Volued Spec Turbidity Color/ Pump <br /> (gai) Time TOC pH Conductivity (NTU's) Description SWL Placement <br /> 5vn.�E StlE,rr- v in►4, r <br /> Z Io ZZ 02,0 �,�� 1 Z J vein-, :✓r tri s,C73 �9 <br /> 2� 'OZn Mos y tR i t.�'�/+mac <br /> 2 �•� �0�� 2O(v iG'��a SU�k�i�E�OAfJ <br /> 3lo ID3� Zi. (o (�.�� I i49 G�cE�� �`��,r,�sr•��� <br /> J06o Z1,9 14 p>Ce <br /> 3.SAMPLE COLLECTION' Method Di le Bauer Container 3 x 40 ml VOA Preservation HCL <br /> . Analysis TPH s 8015, BTEX 8020 <br /> COMMENTS, REMARKS <br />