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Last modified
5/5/2016 12:54:48 PM
Creation date
9/30/2015 10:37:50 PM
Metadata
Fields
Template:
Official Documents
Official Document Type
Work Order
Approved Date
02/20/2007
Control Number
2007-078
Agenda Item Number
14.B.4
Entity Name
Geosyntec Consultants,Inc.
Subject
Work Order No.7 Three years of MPIS
Groundwater Plume Monitoring
Area
South Gifford Road Landfill
Supplemental fields
SmeadsoftID
6196
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Ms. Polly Kratman <br /> 25 January 2007 <br /> Page 2 <br /> • coordination and oversight of well abandonment for GR-MW25A and GR-MW25B ; <br /> • installation, development, and sampling of six additional monitoring wells requested by <br /> FDEP ; and <br /> • initiation of preparation activities for a RAP Modification document. <br /> The remainder of this letter provides an overview of the MPIS required by FDEP, a discussion of <br /> the work associated with CVOC plume monitoring, a description of the proposed scope of work, <br /> a discussion of the schedule, and a budget estimate to accomplish the work described herein. <br /> OVERVIEW OF MPIS <br /> As part of the long-term monitoring for the South Gifford Road Landfill , Geosyntec, on behalf of <br /> IRC SWDD, has been implementing the FDEP-required MPIS since June 2002 . The MPIS is <br /> designed to monitor groundwater so that releases to groundwater from the landfill, should they <br /> occur, will be detected by the groundwater monitoring system. A biennial report was submitted <br /> to FDEP in August 2004 and the recommendations set forth in this document were subsequently <br /> approved in a letter from FDEP dated 7 January 2005 . Geosyntec was successful in obtaining <br /> FDEP approval for a reduced list of required analyses for the MPIS well network (resulting in a <br /> cost savings to IRC) . Based on the biennial report and FDEP approval, IRC SWDD is required <br /> to continue to collect and analyze groundwater samples from existing groundwater monitoring <br /> wells (27 monitoring wells) for: (i) VOCs; (ii) chloride; (iii) total dissolved solids (TDS); (iv) <br /> phenols ; and (v) total metal analyses for iron and lead. <br /> OVERVIEW OF CVOC PLUME MONITORING <br /> As part of the long-term monitoring activities for the identified CVOC plume associated with the <br /> South Gifford Road Landfill , a network of monitoring wells (44 monitoring wells) will require <br /> sampling on a semi-annual basis to : <br /> • confirm that the CVOC plume is not migrating by monitoring the lateral and vertical <br /> extent; <br /> • evaluate the impact of source remediation and P&T operations to assess CVOC plume <br /> centerline concentrations over time; and <br /> XR07014/JR70003 .doc <br /> engineers I scientists I innovators <br />
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