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F <br /> -41 <br /> Lz t-1 <br /> E. <br /> 03 December 2002 <br /> . '. . AGE-NC Poject No. 02-098471 <br /> Page 2-of 1 <br /> .41 <br /> stem augers.-Wells.MW=1,MW 3 and MW-4 will then be pressure-grouted;pressure(15-20 psi)will <br /> be applied-to each-well'for approximately three minutes to ensure grout penetration into;the filter­'!_� <br /> pack.The'top three feet will then be backfilled with.neat�cement. For wells MW-2 and MW-S,over <br /> drilling will continue to the''termination depth o each'original pilot bonng;rthese-weils wl_ll then be s. <br /> grouted,to surface,grade.�"" ' - <br /> € 1 t- <br /> ' ;The grout mixture for all wells will Consist.of Typc I/II.portland neat cement and not more than 6F 4 r <br /> gallons of water per 94=pound'sack of cement. Soil cuttings,rinse watef and waste Materials will be <br /> Placed into 55-gallon DOT.drums and stored on-site pending disposal at an appropriate-landfill or, <br /> rry4F r <br /> recycling-facllity. <br /> If you have'anyrquestions.'or-comments,please.-contactFour office at (209)x467-'40'06' <br /> -- � '4v <br /> • - - .t'4 h�-fir-".+ ;�, Y � . � l � lY _ <br /> Sincerely, _ - <br /> Advanced GeoEnvironmentdl, Inc. <br /> obert E. arty 10, <br /> Project Geologist/Director of- ations_:_ <br /> cc:.. __. Mr. Louis.Lechich - - — 777, <br />' Mr.Marty Hartzell, Central:Valley Regional Water Quality Control Board x; <br /> - <br /> Y. x <br /> V <br /> q d <br /> '3S ! a f.,t <br /> _ ase .lrY r Inc.-- <br /> IL <br /> s advanced Geol;nvi'onmental, x- <br /> - a .� All <br /> MM <br />