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Citation
Tags
HERO ID
3859471
Reference Type
Journal Article
Title
Geochemical and hydrologic factors controlling subsurface transport of poly- and perfluoroalkyl substances, Cape Cod, Massachusetts
Author(s)
Weber, AK; Barber, LB; LeBlanc, DR; Sunderland, EM; Vecitis, CD
Year
2017
Is Peer Reviewed?
1
Journal
Environmental Science & Technology
ISSN:
0013-936X
EISSN:
1520-5851
Volume
51
Issue
8
Page Numbers
4269-4279
Language
English
PMID
28285525
DOI
10.1021/acs.est.6b05573
Web of Science Id
WOS:000399859700016
Relationship(s)
is supplemented by
11374000
: Supporting information
Abstract
Growing evidence that certain poly- and perfluoroalkyl substances (PFASs) are associated with negative human health effects prompted the U.S. Environmental Protection Agency to issue lifetime drinking water health advisories for perfluorooctanoic acid (PFOA) and perfluorooctane sulfonate (PFOS) in 2016. Given that groundwater is a major source of drinking water, the main objective of this work was to investigate geochemical and hydrological processes governing the subsurface transport of PFASs at a former fire training area (FTA) on Cape Cod, Massachusetts, where PFAS-containing aqueous film-forming foams were used historically. A total of 148 groundwater samples and 4 sediment cores were collected along a 1200-m-long downgradient transect originating near the FTA and analyzed for PFAS content. The results indicate that unsaturated zones at the FTA and at hydraulically downgradient former domestic wastewater effluent infiltration beds both act as continuous PFAS sources to the groundwater despite 18 and 20 years of inactivity, respectively. Historically different PFAS sources are evident from contrasting PFAS composition near the water table below the FTA and wastewater-infiltration beds. Results from total oxidizable precursor assays conducted using groundwater samples collected throughout the plume suggest that some perfluoroalkyl acid precursors at this site are transporting with perfluoroalkyl acids.
Tags
•
Additional PFAS (formerly XAgency)
•
Expanded PFAS SEM (formerly PFAS 430)
Litsearch: September 2019
PubMed
Web of Science
Not prioritized for screening
Perfluorooctane
•
FtOH 8:2
Literature Search
WOS
Screening Results
Excluded/Not on Topic
•
^Per- and Polyfluoroalkyl Substances (PFAS)
PFOA (335-67-1) and PFOS (1763-23-1)
Literature Search – Adverse outcome pathway (2015-present)
Pubmed
WOS
FtOH 8:2 (678-39-7)
Literature Search
WOS
•
PFAS 150
Literature Search Update December 2020
PubMed
WOS
Literature Search August 2019
PubMed
Web of Science
Not prioritized for screening
8:2 Fluorotelomer alcohol
Ammonium perfluorooctanoate
Perfluorooctane
Perfluorooctanesulfonic acid
Perfluorooctanoic acid
•
PFNA
Litsearch Update 2017-2018
PFAS Untag
Literature Search
Toxline
PFNA May 2019 Update
Toxnet
Title and Abstract Screening
Excluded
Not relevant to PECO
•
PFOA (335-67-1) and PFOS (1763-23-1)
Literature Search – Adverse outcome pathway (2015-present)
Pubmed
WOS
Screening Results
Excluded/Not on Topic
Literature Search Update (2013-2019)
PubMed
WOS
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