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r <br /> TERRA VAC <br /> TABLE 6 <br /> SITE SPECIFIC GSI/RBCA TIER TWO PARAMETERS <br /> Surface Groundwater <br /> Contaminated Soil Area 6.3x10 cm 0x10 cm <br /> 6800 ft, . <br /> 3Groundwater Mixing Zone loft <br /> Length Of Affected Area Parallel To Wind 2.3x10'cm 3.4x10'cm/yr <br /> g 75.5 ft Groundwater Darcy Velocity 111.7 ft/yr <br /> Length Of Affected Area Parallel To Water 1.2x 10 cm Groundwater Transport Velocity 8.1x10 cm/yr <br /> Flow 40 ft 266.1 ft/yr <br /> Surfucial Soils 9.1 x10 cm 3.Ox 10 <br /> 3 ft Organic Fraction 0 3 <br /> Soil <br /> Capillary Zone Thickness 4.6x 10 em <br /> p 1.5 ft Soil Porosity 0.42 <br /> Vadose Zone 3.4x10 cm Depth To Groundwater 3.8x102 cm <br /> li ft <br /> Soil Density 1.59 g/cm3 Depth Of Top Of Affected Soil 1.5x 102 cm <br /> Organic Fraction In Vadose 0.03 Thickness Of Affected Soil 6.1x102 cm <br /> i <br /> Soil pH 7 <br /> Volumetric Water Content Capillary-0.34 Vadose-0.08 Foundation-0.08 <br /> Volumetric Air Content Capillary-0.08 Vadose-0.34 Foundation-0.34 <br /> General Site Parameters <br /> f <br /> z <br /> Nearest Residential Groundwater Receptor 2000 ft <br /> (Nearest Residential Area Hydraulically Upgradient From <br /> Site.) <br /> i <br /> Nearest Residential Air Receptor 80 ft <br /> Target Risk Value 1.0x10-5 <br /> Commercial Building Air Exchange Rate 5.6x 10's" <br /> I <br /> r <br /> i <br /> Project 30-0212 c:lalton130-02121caplrev5lcap-rev5.doc <br /> July 15, 1998 <br /> l3 it`;..-'d illi <br />