Redevelopment Of An Urban Industrial Site In
São Paulo, Brazil, During The Process Of In-situ
Remediation
Author(s)
M.C. Salvador & E.N. Moeri
Abstract
A former industrial area, used for the temporary, non-covered storage of
chlorinated organic solvents, has been subject to a hydrogeological investigation
and assessment, in order to evaluate the relevance of the existing contamination
in the soil and groundwater.
The local water table is shallow (~2m deep), and the sedimentary upper
aquifer presents clayey to silty composition and low to very low hydraulic
conductivity of less than ~10-5 cm/s. The primary contaminants are chlorinated
hydrocarbons (1,2-DCA) and aromatic hydrocarbons (BTEX), with local
occurrence of LNAPL. The contaminants have partially reached the deeper
aquifer of igneous composition, which is locally used for industrial purposes.
Based on the mathematical modeling, risk-based remedial actions were proposed
and remediation goals w
Keywords
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