OF

The ability to predict seepage rates and locations of seepage flux from a sanitary landfill is paramount in evaluating the environmental impact a landfill may have. This ability extends to investigations relevant to the remediation of closed or abandoned waste sites, many of which contain hazardous materials. This is of particular importance in the evaluation of a coastal landfill. Hydrogeologic characterization of landfills has relied on conventional techniques such as in-situ "slug tests " and laboratory evaluations of soil and water samples. These methods are limited in the extent and application of the information obtained. An in-situ method to obtain a broader evaluation of hydrogeological conditions for a coastal landfill has been devised. Tidal stress theory was used for the determination of an effective hydraulic conductivity in a coastal aquifer. The effective hydraulic conductivity for the refuse was foun