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WS13 &Associates, Inc. Proposal BL-08-02387 October 9, 2008 Page 4 If indications of soil or groundwater impacts are encountered during the assessment, additional assessment of the Site may be necessary to evaluate the full extent and magnitude of the soil and/or groundwater contamination, and what type of remedial activities, if any, should be conducted. Therefore, the Scope of Services for the propos I eid assessment may not adequately define the extent of contamination that may be present at the Site. If icontamination at the Site is d iscovered, the law nay require the p roperty, owner(s) to notify the proper governmental authorities. We will report our findings to you with the understanding that the property owner will report the results as required by law. One orioinal and one copy of our Preliminary Environmental Evaluation report will be submitted to you and two copies to the City,, unless we are directed to do otherwise. Quality Assurance/Quality Control Braun Intertec is currently certified to conduct inorganic and organic laboratory analyses by the Minnesota Department of Health.. the Wisconsin Department of Natural Resources and the North Dakota 'State Department of IHealth. All chemical analyses will be performed according to methods published by the United States Environmental Protection Agency or other authoritative sources. The quality assurance program at Braun Intertec has been designed to generate laboratory data that are both accurate and consistent. To maintain a high level of performance, duality -c ontr'ol assessment is used to monitor both precision and accuracy of the instruments and analyses. The examination of routine blanks, sample duplicates, spikes and standards highlight areas of each analytical proce'dure where preventive and/or corrective m ' measures wild M 11 be most effective. A copy of our (�uality Assurance anual is available for your review upon request. Schedule icn bliedule Based on our current schedule, we will be able to begin the scope of sore iceswithin approximately one to two weeks of receipt of your authorization. Approximately five to six days will be required to conduct the 1 P roposed soil borings. Standard turnaround time on laboratory analyses for this project is about ten wiorkir�g days. Expedited laboratory turnaround is available at an additional cost. Our written environmental report will follow within about two weeks laft eir receiving the analytical results. The geotlechnicial report will be, completed about two to three weeks after-completing the field work. Verbal results and preliminary recommendations can be provided before the final report, is published. We will furnish the services described herein on an (hourly and unit cost basis. Based on our current understanding of the Si