Use and Potential Impacts of AFFF Containing PFASs at Airports (2017) / Chapter Skim
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1 For decades, aqueous film-forming foam (AFFF) containing per- and polyfluoroalkyl substances (PFASs)
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2 use and Potential Impacts of aFFF Containing PFaSs at airports Moreover, all firefighting foams, even those that do not contain PFASs, have the potential to impact the environment. Providing information on potentially adverse environmental impacts and other environmental considerations will help to foster the responsible purchase, use, and disposal of firefighting foams at airports.
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Summary 3 concentrates where possible. Upgrade equipment to be compatible with lower percentage use, when applicable.
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4 use and Potential Impacts of aFFF Containing PFaSs at airports • Take place in an area where water/foam solution can be contained and collected for treatment • Consider using alternative foam products for training exercises Use appropriate training facilities. • Use a regional facility or host live-fire training for multiple airports at one facility • Configure training area to allow collection and disposal of discharged AFFF used during training • Do not discharge to ground (i.e., discharge of AFFF during training should be to an engineered, lined fire training area)
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Summary 5 Disposal: Removal from Equipment or Systems Disposal. • Dispose of discharged AFFF at an authorized, licensed location • In the United States, meet the requirements of the Code of Federal Regulations (CFR)
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6 use and Potential Impacts of aFFF Containing PFaSs at airports • Contact the analytical laboratory prior to sampling to confirm that PFASs are included in their standard analysis and confirm the sampling requirements • Confirm that your commercial laboratory reports PFOS values that include both branched and linear isomers • Consider precursors' influence in environmental quality assessment and discuss available precursor analyses with laboratory • Quality assurance and quality control flags should be reviewed with the commercial laboratory prior to accepting or rejecting the results Legacy: Risk Management Identify source areas at the airport. As part of the development of a conceptual site model (CSM)
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Summary 7 that intercept the exposure pathway between source term and receptor. • Eliminate direct contact to soil impacted by PFASs and limit infiltration (and potential groundwater migration)
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