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Secondary Containment Area (SCA)

Secondary Containment Area (SCA)


The groundwater containment area southwest (down hydraulic gradient) of the PCA and up hydraulic gradient of Penrhyn Estuary and Botany Bay. The NCUA requires Orica is required to intercept and contain contaminant plumes that may have migrated or may migrate beyond the PCA. Groundwater is captured in a row of extraction wells along the median strip of Foreshore Road (for about 700 m west of the intersection with Botany Road).
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