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City of Ofoao Public Works Depsrtmcnt <br />Project No. CMKX-93-163 <br />Jamary 28, 1994 <br />Page 6 <br />Chemical Soil SampUug <br />Soil samples will be collected from the depth interval exhibiting the highest PIU reading and <br />directly above the water table in each of the borings by an enviro nmental geologist for <br />chemical analysis. <br />Chemical Groundwater Samplinf <br />Groundwater samples will be collected by an environmental geologist using clean, VGA glass, <br />screw-top vials with Teflcn»-lined c^s. labeled, and transported to our laboratory under <br />refrigerated conditions using Braun Intertec chain-of-custody procohires. <br />Chemical Analysis <br />All analyses are performed using EPA or other recognired standard procedures. Dau will be <br />reviewed prior to release. Specific information on standard operating procttlures, detection <br />limits, and qua’ity v mtrol measures is available upon rcqu«L <br />E.Cost Estimate <br />1 isted below are the total project cost estimates for the anticipated work at Uie site. <br />Cost Estimate <br />Set tV e rkscription Cost Estimate <br />C iulting Services <br />Drilling Services <br />Laboratory Services <br />$4,073.00 <br />3,500.00 <br />4.8Q5.Q0 <br />Project Total $12,378.00 <br />The actual costs may be more or less than the estimate above; however, th^ total cost will not <br />be exceeded by more than 10 percent without ycur additional authorization. <br />Costs presented in this work plan are based on the scope of work and assumptions suted <br />above. If additional work or personnel are required, costs will be added base»l on an hourly <br />or unit cost basis in accordance with our first proposal dated June 9, 1993. Costs presented <br />n this proposal are under the same unit pricing as the previous bids. Bids for an adci'ional <br />monitoring well installation contractor will need to be obtained to cover Petrofund <br />requirements. <br />Coits included in this work plan art based on the assumption that the work plan will be <br />authoiized within 30 days. If the project is not authorized within 30 '^ays, we reserve the