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INFORMATION SHEE <br /> GROVER LANDSCAPE SERVICES <br /> MANTECA COMPOSTING FACILITY <br /> SAN JOAQUIN COUNTY <br /> Grover Landscape Services (hereafter Discharger)proposes to operate a green waste <br /> composting facility south of Manteca in San Joaquin County. Land for the 35-acre facility is <br /> ]eased from Spreckles Sugar Company. The facility is at 1273 Moffat Boulevard, near State <br /> Highways 120 and 99. <br /> The Discharger proposes to produce finished compost product that will be suitable for use on <br /> landscaping projects. The types of waste proposed for composting consists of grass, wood <br /> chips, tree and brush trimmings, Christmas trees, root stock from nurseries, and sugar beet by- <br /> products such as beet tops, beet pieces, and beet pulp. No chemical amendments will be added <br /> to the composting windrows. <br /> The existing 35-acre composting facility consists of an incoming material receiving area, a <br /> grinding area, a temporary stockpile of ground material,active composting windrow areas, <br /> stockpiles of finished material,and two surface water runoff detention basins. The facility has <br /> a design capacity 30,000 tons with up to 500 tons per day of green waste receipts. The <br /> detention basins collect rainfall runoff from the composting areas and any runoff from dust <br /> control operations. The Discharger proposes to construct access roads on six foot <br /> embankments around the perimeter of the operations area. The embankment prevents runon <br /> and runoff of storm water. Each composting unit is graded to 3% using compacted soil as a <br /> base. Compost windrows will be 15 feet wide. <br /> The Monitoring and Reporting Program requires the Discharger to monitor the quality of water <br /> in the unlined runoff detention basins. Unsaturated zone monitoring consists of annual soil <br /> samples collected from beneath composting areas and analyzed for general inorganic <br /> parameters. This soil sampling will monitor the effectiveness of the soil pad in preventing the <br /> vertical migration of leachate. <br /> PWM <br /> 21 March 1996 <br />