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| The group of contaminants known as PFAS is becoming an increasingly important factor to consider in the evaluation of contaminated sites. After several guidelines and methodological approaches for the investigation assessment and evaluation of PFAS contaminant impacts have been developed in Germany nationwide coordinated guidelines providing management tools for the remediation of local and wide-spread PFAS contaminant impacts remain to be established including standardized specifications for the three phases of investigation: the orienting investigation detailed investigation and remediation options appraisal. This document which has been prepared as a type of work-aid or guideline for German authorities within the context of a research project aims to provide support to German regulative authorities in the selection evaluation and determination of appropriate and fitting remedial solutions for localized and wide-spread cases of PFAS contamination. While highlighting relevant boundary conditions and if necessary any supplementary measures to consider in the analysis this guideline shall serve as a basis for overall management of PFAS contaminant impacts. Due to the varying properties of the individual PFAS constituent compounds any evaluation of technical remedial options shall be based on the main PFAS constituent compound of concern. For the relevant remedial options advantages and disadvantages technical and German legal requirements and the sustainability of each respective option are discussed in this guideline. This work-aid also incorporates the results of two Germany-wide technical workshops that were held in the years 2018 and 2019. |
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