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Californiae ' ' <br /> gional ality ontrol Board <br /> Central Valley Region <br /> Dr.Alan Lloyd Robert Schneider,Chair 4b <br /> Secretary for Sacramento Arnold <br /> Office Sch Arnold er <br /> Environmental 11020 Sun Center Drive#200,Ranchu Cordova,California 95670-6114 Governor <br /> Protection Phone(916)464.3291 •FAX(916)464-4775 <br /> http://www.waterboards.ca.gov/centralvalley D <br /> SIE LLNVECC) <br /> 5 January 2005 JAN - 7 2005 <br /> Mr. Kevin Basso <br /> ENVIRONMENT HEALTH <br /> General Manager PERMIT/SERVICES <br /> Forward Inc. f <br /> 1145 West Charger Way <br /> Stockton CA 95216 <br /> REVIEW OF FINAL CONSTRUCTION QUALITY ASSURANCE REPORT,NORTHERN <br /> UPPER PORTION OF WMU FU-04, FORWARD FILL,SAN JOAQUIN COUNTY <br /> Central Valley Regional Water Quality Control Boards (staff)has reviewed the Final Construction <br /> Quality Assurance Report, Northern Upper Portion of°Waste Management Unit FU-04, Forward <br /> Landfill, submitted on 17 December 2004. The report documents construction and CQA procedures for <br /> the northern upper portion of new Class H Waste Management Unit(WMU)FU-04. <br /> The Northern Upper Portion of WMU FU-04 is approximately 6.8 acres on the south side slope and top <br /> deck of old Austin Road Landfill. The liner for side slopes consists of from bottom to top: a prepared <br /> sub-grade, a GCL, 60-mil HDPE geomembrane, geoco posite drainage material, and minimum 1-foot <br /> operations layer(constructed in 10-foot lifts as the unit fills). The liner for the reinforced bench consists <br /> of from bottom to top: a prepared sub-grade and geo d, a 60-mil double textured HDPE geomembrane, <br /> 12-oz cushion geotextile, minimum 6-inch granular drainage layer, 8-oz filter geotextile, minimum 6- <br /> inch earth-fill layer, GCL, 60-mil single-sided texture HDPE geomembrane, geocomposite drainage <br /> layer, and minimum 1-foot thick protective operations layer(constructed during operations). <br /> Vector Engineering conducted the CQA observations and testing during construction of the waste <br /> management unit. Vector states that the composite liner system has been constructed in accordance with <br /> the plans and specifications with approved clarifications and modifications, Title 27 and Construction <br /> Quality Assurance Manual WMU FU-04. Based on the CQA report, on supporting test results and <br /> design documents the Northern Upper Portion of WMU FU-04 is approved for waste discharge <br /> operations in accordance with the facility's waste discharge requirements. <br /> If you have any questions, please call me at (916)464-4614. <br /> ROSS D. ATKINSON <br /> Associate Engineering Geologist <br /> California Environmental Protection Agency <br /> Qd Recycled Paper <br /> The energy challenge facing California is real. Every Californian needs to take immediate action to reduce energy consumption. <br /> For a list of simple ways you can reduce demand and cut your energy costs,see our Web-site at http://www.swrcb.ca.gov/rwgeb5 <br />