Development of a Dilution-Attenuation Factor (DAF) for the Impact to Groundwater (IGW) Pathway

Posted on March 4th, 2014

In November 2013, NJDEP released Version 2.0 of the guidance document Development of a DAF for the IGW Pathway . In this revised version of the guidance, a default DAF of 20 is utilized for New Jersey remediation cases. This change was based on revised NJDEP default values of the input data in the DAF equation to account for representative parameters, which better characterize New Jersey aquifers (i.e., Kirkwood-Cohansey)....more

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