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The alternatives listed in Chapter 8 of the SWMP are reviewed <br />for applicability to the current situation and modified as <br />necessary. However, no completely new alternatives are <br />analyzed. Only the cost analyses included in Chapter 8 are <br />updated and revised. Other criteria in the 1979 SWMP-- <br />environmental impacts, administrative implementation efforts, <br />and service to the public --are not reconsidered. The cost <br />analyses are revised by (1) updating costs to 1983 levels; and <br />(2) considering the actual changes in the collection -transfer - <br />haul -disposal system since 1979 (e.g., completion of the <br />California Waste Removal Systems transfer station in Lodi and <br />the specific location of the Harney Lane Landfill replacement <br />site). <br />WASTE QUANTITY FORECASTS <br />The year 1990 was chosen as the basis for which north county <br />alternatives will be analyzed. Forecasting waste quantities <br />for 1990 requires three preliminary steps: (1) determining <br />current waste quantities, (2) obtaining 1990 population <br />forecasts, and (3) making assumptions on how waste quantities <br />will change in relation to population growth. <br />Current Quantity of Solid Waste <br />Solid waste quantity data at Harney Lane Landfill were <br />obtained from records kept by the County Public Works <br />Department. The total volume for fiscal year (FY) 1981-82 was <br />411,083 loose cubic yards (cu yd) broken down as shown in <br />Table 1. Some of the franchised collector waste is delivered <br />to the landfill in compactor vehicles. The nominal volume of <br />these vehicles is recorded and then multiplied by 1.4 to <br />obtain loose volumes. All quantities in Table 1 are in loose <br />cubic yards. <br />2 <br />