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FROM Ground sera F!~Ia l ys f s PHONE NO. = 209 838 989 . FS <br /> Y Mr.Harlin Knoll <br /> February 15,2000 <br /> Page 4 of 4 <br /> excavation with clean imported and native fill_ <br /> Since groundwater is anticipated in the excavation pit, ound Zero proposes to pump up to 40.000 l <br /> gallons of groundwater from the excavaion pit to de water the excavation during digging and to <br /> remove a significant volume of cc tarninated ground . The groundwater will ternporanily be i <br /> stored on site in 21,000 gallon ponab�le liquid store tanks_ Sarnplcs will be collected from the <br /> storage tanks to profile dissolved vorrt=inants in ie, groundwater., Analytical results will be <br /> subnlittcd to 5accam;ento County regional Waste Water Treatment Plant for acMtance of the waw <br /> for disposal. Upon acceptance, the groundwater vAll be uanVorted by tanker truck to the <br /> Sacramento County Regional Waste Water Treatmert Plant, which is located. approximately 20 <br /> chiles north of the site in Elk Grova <br /> Fieldwork will be conducted in accordance with the site-specific Health and Safety Plan and Quality <br /> Control/Quality Assurance Plan on file with PHSIEF113, : <br /> Following tate completion of all field work, a technical report will be submitted detailing the � <br /> inethodolpgy and results of the remedial actions. G ' <br /> 5.0 SCHEDULE i <br /> i <br /> It is anticipated that excavation and groundwater purt ping can he completed within two weeks <br /> following approval of the Workplan. Sail prefiling f nd spreading for aeration can be completed <br /> within two to three weeks after excavation and sampl ng has been completed, As time is of the <br /> e,%cnce,A4r. Manser would like to begin excavation i zt1vities as early as the week of February 3 <br /> 4?, 2400_ 'Technical reporting should be completed by April 30,2000. i <br /> Please contact, Ground Zero at your earlit;A convenience if you have any questions or comments � <br /> regarding this report. <br /> Respectfully, <br /> C� LAKE <br /> Ground Zero Analysis,Inc.John P.Lane <br /> CA Registered Geologist No_6795 <br /> Attachments <br /> cc: Mr.Mike Manser <br /> Ms.Maria Nahorn,EnvironmenW Closures <br /> Mr.Mark List,RWQCB <br /> �i;l(�a�GR.G11Jl�LYZESMANSBRIIVtanaerl�inl4iriw�.dx . <br />