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Ms. Polly Kratman <br /> 25 January 2007 <br /> Page 3 <br /> • assess the impact of biological and physical natural attenuation processes on CVOC plume <br /> degradation. <br /> Based on the data presented in the semi-annual groundwater monitoring reports for the plume <br /> monitoring network, Geosyntec was successful in obtaining FDEP approval for reduced sampling <br /> frequency for some of the plume monitoring network wells. As requested by IRC SWDD, <br /> Geosyntec installed six monitoring wells (out-of-scope) required by FDEP and to evaluate the <br /> lateral and vertical extent of the CVOC plume to the north of the landfill. <br /> PROPOSED SCOPE OF WORK <br /> Geosyntec developed a phased approach with internal task elements to accomplish this work in <br /> an organized and cost-effective manner. The remainder of this letter provides a description of <br /> the proposed scope of work and a budget estimate to accomplish the work described herein. <br /> Task 1 — Project Management/Meetings <br /> Under this task, Geosyntec will perform project planning and management responsibilities, such <br /> as correspondence with IRC and FDEP , invoice review, project coordination, and project <br /> administration. Geosyntec has also included budget for preparation and attendance (by two <br /> Geosyntec personnel) at one meeting with IRC and/or FDEP, as needed. <br /> Task 2 — Field Activities <br /> Under this task, Geosyntec will perform all field activities related to the MPIS and plume <br /> groundwater monitoring, as discussed herein. The field activities will include : (i) field <br /> preparation; (ii) groundwater sampling; and (iii) water level measurements. Geosyntec will <br /> conduct field preparation activities, such as scheduling and staffing, subcontracting, and field <br /> equipment preparation. In addition, we will coordinate with Columbia Analytical Services <br /> (CAS), the analytical laboratory contracted with IRC, regarding laboratory analyses required by <br /> FDEP . <br /> Geosyntec will perform the groundwater sampling activities associated with the MPIS network <br /> and the CVOC plume monitoring wells . Groundwater sampling activities will be executed using <br /> a two-person sampling crew and will be performed in accordance with the FDEP SOPs . Each <br /> field event is budgeted to be completed within approximately seven days for the entire well <br /> network (including 71 monitoring wells from both the MPIS and plume monitoring networks). <br /> XR07014JR70003.doc <br /> engineers I scientists 1 innovators <br />