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GeoSyntec Consultants <br />Table 2-6 <br />Existing Liner and LCRS Descriptions <br />Forward Landfall <br />Waste <br />Management Unit <br />Geomembrane <br />Liner <br />Clay Liner Thickness <br />(feet) <br />Leachate Collection and <br />Removal System <br />A <br />None <br />21 <br />Dendritic <br />B, B -North <br />None <br />None <br />None <br />C <br />None <br />None <br />None <br />D-87 <br />None <br />21 <br />Dendritic <br />D-88 (N and S) <br />None <br />41 <br />Dendritic <br />D-89 <br />None <br />41 <br />Blanket <br />D-93 <br />60 -mil HDPE <br />22 <br />Blanket <br />D-94 <br />60 -mil HDPE <br />GCL3 <br />Blanket <br />D-95 <br />60 -mil HDPE on base, <br />80 -mil HDPE on slopes <br />22 <br />no clay on north slope <br />Blanket <br />D-97 <br />60 -mil HDPE on base, <br />80 -mil HDPE on slopes <br />22 on base, GCL3 on <br />slopes <br />Blanket <br />D-98 <br />60 -mil HDPE on base, <br />80 -mil HDPE on slopes <br />22 on base, GCL3 on <br />slopes <br />Blanket <br />D-99 <br />60 -mil HDPE on base, <br />80 -mil HDPE on slopes <br />22 on base, GCL3 on <br />slopes <br />Blanket <br />E <br />60 -mil HDPE on base <br />21 <br />Blanket <br />'Hydraulic conductivity < 1x10-6 cm/sec <br />2Hydraulic conductivity < 1 x 10-7 cm/sec <br />3Geosynthetic Clay Liner (GCL) having a hydraulic conductivity < 5x10'9 cm/sec <br />J:\ALLIED\FORWARD\CLOSUREPLAN\FrS\TABLE2-6 <br />99.11.30 <br />