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Forward, Inc. - 3 - 6 November 2023 <br />Forward Landfill <br />100% passing the 3/8‐inch sieve. The design engineer approved the <br />placement. <br />• The approved specification for testing frequency of clay earthfill material used <br />for the termination berm was 1 test per 250 cubic yards of material. The <br />design engineer determined that given the volume of the clay earthfill that the <br />testing frequency allows for a modification of 1 test per 2,500 cubic yards of <br />material. <br />During the review process, Central Valley Water Board staff noted a few minor <br />reference issues with the tables in the main body of the report. On 1 November 2023, <br />Lewis Engineering submitted Final Construction Quality Assurance Report WMU FU-23: <br />Revision 1 (CQA Report Rev 1). <br />The CQA Report Rev 1 for WMU FU-23 includes a certification by the project CQA <br />contractors from GLA that WMU FU-23 was constructed in accordance with approved <br />construction drawings, specifications, and CQA plan, and is in conformance with Title <br />40, Subtitle D and Title 27. <br />Based on the above certification and the information in the report, including design <br />modification and design firm approved variations, Central Valley Water Board staff <br />concur that WMU FU-23 was constructed in accordance with Title 27, and the <br />Discharger may therefore initiate waste disposal operations in the new fill area <br />consistent with the WDRs. <br />If you have any questions regarding this correspondence, please contact Stephani Gisi <br />at stephani.gisi@waterboards.ca.gov or Brad Shelton at <br />brad.shelton@waterboards.ca.gov. <br />Sincerely, <br /> <br />Brad Shelton, P.G. <br />Senior Engineering Geologist <br />Title 27 Permitting and Mining Unit <br /> <br /> <br />cc: Howard Hold, Central Valley Regional Water Board, Rancho Cordova <br /> Brendan Kenny, Central Valley Regional Water Board, Rancho Cordova <br />Stephani Gisi, Central Valley Regional Water Board, Rancho Cordova <br />Natalia Subbotnikova, San Joaquin County Environmental Health Department, <br />Stockton <br />Benjamin Wade, Area Manager, Republic Services Inc. <br />Sangeeta Lewis, Lewis Engineering, Piedmont <br />