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21 July 2015 <br /> AGE Project No. 14-3154 <br /> Page 6 of 15 <br /> for target analytes could be performed to assist in the explanation of <br /> discrepancies of to fill any "data gaps' that maybe present once the additional <br /> data has been evaluated. <br /> 7) Install an LFG monitoring network in accordance with 27 CCR 20925 and <br /> implement an LFG monitoring program. AGE will prepare a scope of work for <br /> soil-gas monitoring within a workplan and submit to the LEA for review and <br /> permitting. AGE recommends this process begin immediately. Data collected will <br /> be evaluated and additional locations for potential land fill gas monitoring will be <br /> recommended, based upon initial sampling. If no gases are detected, AGE will <br /> remove the soil-gas monitoring network following the investigation. <br /> 8) Annotate the results of field testing on the topographic drawing to include: waste <br /> limits (boundary), trenching & boring sample locations, LFG monitoring wells and <br /> analytical testing results. Mapping of analytical results, waste depth/thickness <br /> and other sampling points will be generated in plan view, iso-pach mapping and <br /> cross sections and will be included within the report of findings. As part of the <br /> report, an evaluation of the costs for cover support and maintenance will be <br /> demonstrated. <br /> The field data should be placed into a final investigation report that provides: <br /> Topographic drawing/map of the site (with waste boundaries and sample <br /> locations); Analytical testing results -boring and trench logs; landfill cross- <br /> sections; a volume estimate of waste in place and waste classification for <br /> disposal and cost estimate for clean closure; a cost estimate to consolidate and <br /> cover the disposal site for long-term maintenance and monitoring. <br /> Discuss LEA/CalRecycle requirements for long-term inspections, maintenance <br /> and monitoring and notification of property transfer and approval of post closure <br /> land-use development. <br /> AGE will prepare a post-closure land use (PCLU) plan as appropriate for <br /> commercial development of the site, for the in-place waste management as well <br /> as a site specific health and safety plan for developers; both will be submitted to <br /> the LEA and CalRecycle for comment and review. Included in the PCLU plan will <br /> be a review and evaluation of the costs for cover support, maintenance and LEA <br /> notification for development. <br /> PROPOSED SCOPE OF FIELD WORK <br /> In response to the CalRecycle electronic mail dated 22 June 2015 and the subsequent <br /> CVRWQCB letter dated 07 July 2015, which posed additional concerns and <br /> requirements, AGE has proposed the following the scope of work: <br /> Advanced GeoEnvironmental,Inc. <br />