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Per- and polyfluoroalkyl substances (PFAS) are a class of more than 6,000 contaminants of emerging concern that can harm both ecosystems and human health. These anthropogenic compounds contain carbon–fluorine bonds that make them stable and persistent in the environment, earning them the nickname "forever chemicals."

NCHRP Synthesis 630: Practices to Identify and Mitigate PFAS Impacts on Highway Construction Projects and Maintenance Operations, from TRB's National Cooperative Highway Research Program, documents current state departments of transportation practices for identifying locations of potential PFAS contamination and mitigating the impacts of PFAS related to highway construction and maintenance operations. This study considers PFAS impact and mitigation efforts in all phases of highway project development (planning, design, right-of-way acquisition), construction, and maintenance.

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Suggested Citation

National Academies of Sciences, Engineering, and Medicine. 2024. Practices to Identify and Mitigate PFAS Impacts on Highway Construction Projects and Maintenance Operations. Washington, DC: The National Academies Press. https://doi.org/10.17226/27843.

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Publication Info

96 pages |  8.5 x 11 | 

ISBNs: 
  • Paperback:  978-0-309-70976-7
  • Ebook:  978-0-309-72236-0
DOI: https://doi.org/10.17226/27843
Chapters skim
Front Matter i-viii
Summary 1-2
1 Introduction 3-6
2 Literature Review 7-12
3 State of the Practice 13-24
4 Case Examples 25-39
5 Summary of Findings 40-42
References 43-45
Appendix A: Survey Questionnaire 46-67
Appendix B: State DOT Survey Questionnaire Responses 68-87
Appendix C: Case Example Interview Topics 88-90

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