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ENERGY CONSIDERATIONS Operation of a sanitary landfill at the proposed site will result in consumption of energy derived from petroleum fuels. This is necessary to power equipment used to operate such a facility and currently takes place at the existing Harney Lane disposal site. However, the buried solid waste could be thought of as a potential energy sink capable of providing or saving more energy than would be used to bury the waste. All that would be necessary would be to employ the appro- priate technology to tap this energy source. Phased landfill development consists of preparing the site so that disposal operations are confined to a small area. Initial site preparation would consist of fill operations confined to one 20 -acre plot, excavated soil stored in an additional 20 acres, and the final 20 acres used for miscellaneous operations including equipment storage and maintenance. Given this plan of operation, disposal equipment can be used more effectively and reduce energy consumption. The proposed fill operation will essentially be a continuation of the current energy consumption for refuse disposal at the existing landfill facil- ity on Harney Lane. However, because of a one to two mile increase per vehicle trip (one way), there would be an overall increased energy use as a result of increased vehicle miles per trip. A slight decrease in energy consumption should be realized after implementation of a transfer station by Sanitary City Disposal Company in Lodi. This facility, scheduled to open in April 1981, will use two transfer rigs to replace 12 packers, six roll -off and two end -dump vehicles. Energy conservation and recovery measures, if implemented at the landfill operation, could contribute to a substantial savings of energy resources. These measures include landfill gas recovery, resource conservation and waste energy recovery. Landfill gas recovery consists of utilization of methane gas generated from the decomposition of organic matter in the waste. Although methane gas recovery is technologically feasible, current utilization methods make extraction practices, such as purification of gas to pipeline quality, too expensive to consider at this time. With new -technological advances, gas recovery could become cost-effective. Resource conservation includes source -separation and composting. The existing landfill operation currently reclaims ferrous metals and this practice would be continued at the proposed new site. Expanded source - separation and composting practices are thoroughly discussed in Appendix D. Waste energy recovery, which is also thoroughly discussed in Appendix D, in- cludes incineration with heat recovery, refuse -derived fuel production, and pyrolysis. As presented, these practices for implementation at the proposed site will require further study, perhaps on a more regional approach before the site's limited volume of waste -for -energy recovery becomes cost-effective.