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Page Two P90-43a <br /> Cost Proposal 23 April 1990 <br /> clarify particular points which became apparbnt in the <br /> review of documentation and to assess the possible presence <br /> of hydrocarbon contamination. <br /> 4. Laboratory analysis of the aforementioned samples for <br /> Total Petroleum Hydrocarbons (TPH) as gasoline and diesel <br /> (EPA Method m-8015) and Purgeable Aromatics or BTXE (EPA <br /> Method 8020) . <br /> S. A summary report which documents the process and <br /> findings of the preliminary assessment. <br /> It is estimated that 3 borings will be drilled during,the.. study. <br /> Undisturbed soil samples will be collected and prly preserved <br /> prior to sending for analysis. To minimize }potential for cross ` <br /> contamination, all sampling equipment will be steam cleaned <br /> between borings. Based on the results of the analysis` <br /> recommendations will be provided if any additional sampling and <br /> analysis is determined necessary. <br /> If evidence indicating underground tanks hate -rt, been removed, <br /> potential for groundwater contamination exists, ar".the scope of <br /> work will in some other way be inadequate, the. clierit will <br /> immediately be notified and an alteriwitiv a: .acopia:oi'..work <br /> acceptable to the client will be developed-, <br /> We feel this approach gives the client optimum logistic and <br /> budgetary control over necessary environmental work. <br /> In addition, in order to expediently initiate the hydrocarbon <br /> assessment, we request that the client provide to us the <br /> following project information: <br /> 1 - Legal description, preliminary title report <br /> and Assessor's Parcel Number(s) . <br /> w <br /> 2 - Vicinity map and site, grading or topographic pian/map. <br /> 3 - Copies of all previous environmental impact and geologic <br /> maps and reports pertaining to or prepared for the subject <br /> site (except those prepared by Youngdahl & Associates, <br /> Inc. ) . <br /> 4 - Written right to enter the site in order to fulfill the <br /> scope of services included herein. <br /> Estimated Costs <br /> Provided underground storage tanks have been removed, , and this <br /> assessment is performed in conjunction with the enclosed <br />