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131 LA UR 03 5862 - National Nuclear Security Administration ...

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Sanitary Waste<strong>LA</strong>NL sanitary waste generation and transfer of waste to the Los Alamos County Landfill has variedconsiderably over the last decade, with a peak (more than 14,000 tons) transferred to the landfill in 2000that is probably due to removal of Cerro Grande Fire debris. The SWEIS estimated that <strong>LA</strong>NL disposedof approximately 4,843 tons of waste at the Los Alamos County Landfill between July 1995 and June 1996(DOE 1999). This estimate may have not been representative of <strong>LA</strong>NL’s sanitary waste disposal over thelong term.<strong>LA</strong>NL has instituted an aggressive waste minimization and recycling program that has reduced theamount of waste disposed in sanitary landfills. <strong>LA</strong>NL’s Material Recovery Facility, which is used toseparate recyclable items from other waste in trash dumpsters, now recovers about 40 percent of this wastefor recycling. Other recycling initiatives include cardboard and paper recycling, a pilot concrete crushingoperation, construction debris sorting, uncontaminated soil fill reuse, brush mulching, and metal and plasticrecycling (<strong>LA</strong>NL 2002b).<strong>LA</strong>NL performance goals for sanitary waste reduction are based on waste generation in 1993. <strong>LA</strong>NL’stotal waste generation can be classified as routine and nonroutine. The waste can also be categorized asrecyclable and nonrecyclable. Table 4.3-1 shows <strong>LA</strong>NL sanitary waste generation for FY 2002. Compared to1993, <strong>LA</strong>NL has increased the recycled portion of sanitary waste from about 10 percent in 1993 to about 34percent in FY 1999 and to approximately 70 percent in FY 2002.Table 4.3-1. <strong>LA</strong>NL Sanitary Waste Generation in FY 2002 (metric tons)ROUTINENONROUTINETOTALRecycled 1,425 5,938 7,363Landfill disposal 1,822 1,388 3,210Total 3,247 7,326 10,573Routine sanitary waste consists mostly of food and food-contaminated waste, paper, plastic, wood, glass,styrofoam packing material, old equipment, and similar items. <strong>LA</strong>NL’s per capita generation of routinesanitary waste fell from 265 kilograms per person per year in 1993 to 163 kilograms per person per year in2001, equivalent to a 39 percent decrease in routine waste generation (<strong>LA</strong>NL 2002b).Nonroutine sanitary waste is typically derived from construction and demolition projects. The CerroGrande Rehabilitation Project also generated large quantities of nonroutine waste as a result of variouscleanup activities. In general, construction and demolition waste is the largest single component of thesanitary waste stream and constitutes virtually all of the current nonroutine sanitary waste generation. UntilMay 1998, construction debris was used as fill to construct a land bridge between two areas of <strong>LA</strong>NL;however, environmental and regulatory issues resulted in this activity being halted. Construction of newfacilities and demolition of old facilities are expected to continue to produce substantial quantities of this typeof waste. In FY 2002, approximately 82 percent of the uncontaminated construction and demolition wastewas recycled (<strong>LA</strong>NL 2002b). The portion of construction debris that is recycled is expected to remain thesame or to increase in the future.The SWEIS projected that the Los Alamos County Landfill would not reach capacity until about 2014. In2002, NMED issued a 35-year permit for operation of the current landfill—five years of additional disposalof waste and 30 years of post-closure operation. Therefore, the existing landfill will no longer accept wasteafter 2007. Currently NNSA is preparing an environmental assessment of the effects of locating a new landfillwithin <strong>LA</strong>NL boundaries. Other waste disposal alternatives may also be evaluated.4-8SWEIS Yearbook—2002

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