Abstract

Abstract A number of problems bearing on the surfactant flushing/washing of soils contaminated with hydrophobic organic compounds were investigated. These included the following: Development of a simple ultraviolet (UV) spectrophotometric method for the analysis of PCBs in sodium dodecylsulfate (SDS) solution Study of the settling of clay fines from SDS solutions Evaluation of laboratory-scale columns versus stirred flasks for use in preliminary feasibility studies Determination of the extent to which SDS is lost during the processes of soil treatment and reclamation ∗ Also Department of Civil and Environmental Engineering.

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