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Parametrik Scope of Work <br />r Site visit to assess borrow soil at the transfer station site that is under construction for use <br />as LPL cover soil <br />r Review of the soil test results from the biosolids and borrow soils from the transfer station <br />site <br />r Mass balance to determine an approximate ratio for soils from transfer station and biosolids <br />o Research and working with the client on how to handle permitting for using biosolids in the <br />cover soil for the LPL closure system <br />The last items in this task that need to be completed are: <br />. Prepare a letter outlining the biosolids to soil ratio calculations that were completed <br />o Review HWA's Soil Assessment Report <br />Deliverable <br />o Letter outlining the calculations that were performed to determine biosolids to borrow soil <br />ratio needed to create appropriate topsoil mix for the LPL cover system. <br />Yp"sls SS * ffixpamsiCIua of &iosoS.ids [:ameX *tpgt]ieationt <br />"S"sea {#}osed} <br />This task has been completed and will be closed. <br />X'aslq SS ^ $HPS, Chee3qSist amd #sit[eal SLseas Repalrt <br />Wrodate (e.osed) <br />This task has been completed and will be closed. <br />T'aslc &? * f$i.r Fesxxa{*t'ng <br />Additional work to be added to this task includes: <br />Based upon initial review of the LPL as part of the NOC application with Department of Ecology, a <br />Tier 2 analysis of landfill gas generat'lon from the LPL will be required. This work is beint included <br />under Task 11 of this scope. The resutts from Task 11 will be utilized to modify the NOC application. <br />Modification and resubmission of the NOC application will be performed under this task with no <br />addltional budget allotment requested. <br />Kittitas County Solid Waste <br />Ryegrass LPL and Future Uses <br />Amendment O2 <br />3 <br />5531763{10 <br />June 2024