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d. Waste Flow Diagran� <br /> A schematic plan showing the flow of material through the facility from unloading through <br /> sorting and processing to removal is shown on Figure 9, Material Flow Diagram. Material VAX <br /> is divided into three types, collected residential, self-haul and commercial/industrial with each <br /> type basically divided into a mixed component and a source separated component. <br /> e. Surface Drainage and Runoff Control Plan <br /> A plan showing surface runoff and site drainage patterns and control features is shown on Figure <br /> 4 and on Sheet 3. All surface drainage from the site will be contained on-site in either a <br /> retention pond or a lined evaporation pond. Drainage design criteria and calculations are <br /> included in Appendix E. <br /> L Utilities Plan <br /> A site utilities plan showing location of proposed water and sewage facilities is shown on Figure <br /> 10 and Sheet 4. Water supply and storage will be provided from an on-site well and storage <br /> tank. Sewage from rest rooms will be collected and directed to the on-site septic tank and leach <br /> field. Wash down water from the truck wash areas will be collected, directed to a sand/oil <br /> separator and stored in above ground tanks for either reuse in vehicle washing or disposal off- <br /> site. A Soil Suitability Study has been done for the site as required by San Joaquin County <br /> Public Health Services. Percolation tests were performed in the areas of proposed leach field. <br /> The holes reveal that the surface soils are underlain by gravelly loam soil at a depth of <br /> approximately 3 feet. The observed percolation rates were 14.7 and 13.8 minutes per inch for <br /> test holes 1 and 2, respectively. Percolation test results are included in Appendix G. Also <br /> included is a water analysis performed on an existing domestic wM located at 29990 South <br /> MacArthur Drive. The results for the nitrate and DBCP levels were found to be acceptable. <br /> The conclusion of the Soil Suitability Study was that the soil conditions at the site are suitable <br /> for the installation of leachfield systems as proposed and that they Will not have an adverse <br /> cumulative effect on the quality of the groundwater in the area. The letter of acceptance of the <br /> Soil Suitability Study from San Joaquin County Public Health Services is also included in <br /> Appendix G. <br /> L/PROJECT/397/NfRF/RSI-I.TCY <br /> Revision 1.0 22 Fokusay 5,19% <br />