Diagnostic screening of private well water using gas chromatography with high resolution mass spectrometry to support well water management
In the US, private well users are responsible for their own water quality testing, but local health officials are often uncertain what tests to recommend, particularly for regulated organic chemical contaminants. This study evaluated the utility of suspect and non-target screening (NTS) high resolut...
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description | In the US, private well users are responsible for their own water quality testing, but local health officials are often uncertain what tests to recommend, particularly for regulated organic chemical contaminants. This study evaluated the utility of suspect and non-target screening (NTS) high resolution mass spectrometry (HRMS) as a tool to identify a wide range of organic chemicals of emerging concern in private well water and to inform well water management decisions. Qualitative NTS, which detects chemicals without providing concentrations, was used to analyze 25 private well water samples from Wake County, North Carolina. Using the NIST 20 mass spectral database (M1), NTS tentatively identified 106 unique organic chemicals across the 25 samples and an average of 11 organic chemicals per sample. At least one USEPA ToxCast chemical was identified in each private well water sample. Private well water users were interviewed prior to and after their sample's NTS results were reported back; four county groundwater managers were interviewed after aggregated results for all 25 water samples were reported back. All but one well user participant chose to participate in the reporting-back post-interview. The 24 private well users found NTS results useful and valued the contextualization of their results using NTS results for other well users and a local municipal water sample. Most private well users (67%) were surprised by their well water results, especially regarding the number of tentatively identified organic chemicals detected. All the groundwater managers believed the NTS results were useful and could help improve their testing recommendations to private well users. Even with qualitative limitations, NTS results can be an effective and valuable tool to inform the public and governance stakeholders in decisions around groundwater quality management.
[Display omitted]
•NTS of 25 private well water samples tentatively identified 106 organic chemicals.•Qualitative NTS results were reported back to well users and groundwater managers.•At least one USEPA ToxCast chemical was detected in each private well water sample.•100% of well users and county groundwater managers found NTS results useful.•Results changed how 46% of well users think about their water and family's health. |
doi_str_mv | 10.1016/j.scitotenv.2024.175945 |
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[Display omitted]
•NTS of 25 private well water samples tentatively identified 106 organic chemicals.•Qualitative NTS results were reported back to well users and groundwater managers.•At least one USEPA ToxCast chemical was detected in each private well water sample.•100% of well users and county groundwater managers found NTS results useful.•Results changed how 46% of well users think about their water and family's health.</description><identifier>ISSN: 0048-9697</identifier><identifier>ISSN: 1879-1026</identifier><identifier>EISSN: 1879-1026</identifier><identifier>DOI: 10.1016/j.scitotenv.2024.175945</identifier><identifier>PMID: 39218108</identifier><language>eng</language><publisher>Netherlands: Elsevier B.V</publisher><subject>Chemicals of emerging concern ; Drinking water ; Reporting back ; Suspect and non-target screening ; Water quality</subject><ispartof>The Science of the total environment, 2024-11, Vol.953, p.175945, Article 175945</ispartof><rights>2024 Elsevier B.V.</rights><rights>Copyright © 2024 Elsevier B.V. All rights reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c247t-5f5590ee3ab6f357bb975a88a419d56e0436b7334c73171550044c027148e5433</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.scitotenv.2024.175945$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/39218108$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Rudd, Hayden</creatorcontrib><creatorcontrib>Ercumen, Ayse</creatorcontrib><creatorcontrib>Kane, Evan</creatorcontrib><creatorcontrib>Shea, Damian</creatorcontrib><creatorcontrib>Nichols, Elizabeth Guthrie</creatorcontrib><title>Diagnostic screening of private well water using gas chromatography with high resolution mass spectrometry to support well water management</title><title>The Science of the total environment</title><addtitle>Sci Total Environ</addtitle><description>In the US, private well users are responsible for their own water quality testing, but local health officials are often uncertain what tests to recommend, particularly for regulated organic chemical contaminants. This study evaluated the utility of suspect and non-target screening (NTS) high resolution mass spectrometry (HRMS) as a tool to identify a wide range of organic chemicals of emerging concern in private well water and to inform well water management decisions. Qualitative NTS, which detects chemicals without providing concentrations, was used to analyze 25 private well water samples from Wake County, North Carolina. Using the NIST 20 mass spectral database (M1), NTS tentatively identified 106 unique organic chemicals across the 25 samples and an average of 11 organic chemicals per sample. At least one USEPA ToxCast chemical was identified in each private well water sample. Private well water users were interviewed prior to and after their sample's NTS results were reported back; four county groundwater managers were interviewed after aggregated results for all 25 water samples were reported back. All but one well user participant chose to participate in the reporting-back post-interview. The 24 private well users found NTS results useful and valued the contextualization of their results using NTS results for other well users and a local municipal water sample. Most private well users (67%) were surprised by their well water results, especially regarding the number of tentatively identified organic chemicals detected. All the groundwater managers believed the NTS results were useful and could help improve their testing recommendations to private well users. Even with qualitative limitations, NTS results can be an effective and valuable tool to inform the public and governance stakeholders in decisions around groundwater quality management.
[Display omitted]
•NTS of 25 private well water samples tentatively identified 106 organic chemicals.•Qualitative NTS results were reported back to well users and groundwater managers.•At least one USEPA ToxCast chemical was detected in each private well water sample.•100% of well users and county groundwater managers found NTS results useful.•Results changed how 46% of well users think about their water and family's health.</description><subject>Chemicals of emerging concern</subject><subject>Drinking water</subject><subject>Reporting back</subject><subject>Suspect and non-target screening</subject><subject>Water quality</subject><issn>0048-9697</issn><issn>1879-1026</issn><issn>1879-1026</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><recordid>eNqFkc2OFCEUhYnROO3oKyhLN9VCAQUsJ-NvMokbXROKvlVFpwtKoLrTz-BLS6fHiTvZXBK-ey73HITeUbKlhHYf9tvsfIkFwnHbkpZvqRSai2doQ5XUDSVt9xxtCOGq0Z2WN-hVzntSj1T0JbphuqWKErVBvz96O4aYi3c4uwQQfBhxHPCS_NEWwCc4HPCp3hJe8-VttBm7KcXZljgmu0xnfPJlwpMfJ5wgx8NafAx4tjnjvIArlYWSzrhEnNdlian8qzrbYEeYIZTX6MVgDxnePNZb9PPzpx_3X5uH71--3d89NK7lsjRiEEITAGb7bmBC9r2WwiplOdU70QHhrOslY9xJRiUVotrAHWkl5QoEZ-wWvb_qLin-WiEXM_vs6o9sgLhmw4jWSgjOSUXlFXUp5pxgMNWX2aazocRckjB785SEuSRhrknUzrePQ9Z-ht1T31_rK3B3BaCuevSQLkIQHOx8qqaZXfT_HfIHTzyhhw</recordid><startdate>20241125</startdate><enddate>20241125</enddate><creator>Rudd, Hayden</creator><creator>Ercumen, Ayse</creator><creator>Kane, Evan</creator><creator>Shea, Damian</creator><creator>Nichols, Elizabeth Guthrie</creator><general>Elsevier B.V</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>20241125</creationdate><title>Diagnostic screening of private well water using gas chromatography with high resolution mass spectrometry to support well water management</title><author>Rudd, Hayden ; Ercumen, Ayse ; Kane, Evan ; Shea, Damian ; Nichols, Elizabeth Guthrie</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c247t-5f5590ee3ab6f357bb975a88a419d56e0436b7334c73171550044c027148e5433</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2024</creationdate><topic>Chemicals of emerging concern</topic><topic>Drinking water</topic><topic>Reporting back</topic><topic>Suspect and non-target screening</topic><topic>Water quality</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Rudd, Hayden</creatorcontrib><creatorcontrib>Ercumen, Ayse</creatorcontrib><creatorcontrib>Kane, Evan</creatorcontrib><creatorcontrib>Shea, Damian</creatorcontrib><creatorcontrib>Nichols, Elizabeth Guthrie</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>The Science of the total environment</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Rudd, Hayden</au><au>Ercumen, Ayse</au><au>Kane, Evan</au><au>Shea, Damian</au><au>Nichols, Elizabeth Guthrie</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Diagnostic screening of private well water using gas chromatography with high resolution mass spectrometry to support well water management</atitle><jtitle>The Science of the total environment</jtitle><addtitle>Sci Total Environ</addtitle><date>2024-11-25</date><risdate>2024</risdate><volume>953</volume><spage>175945</spage><pages>175945-</pages><artnum>175945</artnum><issn>0048-9697</issn><issn>1879-1026</issn><eissn>1879-1026</eissn><abstract>In the US, private well users are responsible for their own water quality testing, but local health officials are often uncertain what tests to recommend, particularly for regulated organic chemical contaminants. This study evaluated the utility of suspect and non-target screening (NTS) high resolution mass spectrometry (HRMS) as a tool to identify a wide range of organic chemicals of emerging concern in private well water and to inform well water management decisions. Qualitative NTS, which detects chemicals without providing concentrations, was used to analyze 25 private well water samples from Wake County, North Carolina. Using the NIST 20 mass spectral database (M1), NTS tentatively identified 106 unique organic chemicals across the 25 samples and an average of 11 organic chemicals per sample. At least one USEPA ToxCast chemical was identified in each private well water sample. Private well water users were interviewed prior to and after their sample's NTS results were reported back; four county groundwater managers were interviewed after aggregated results for all 25 water samples were reported back. All but one well user participant chose to participate in the reporting-back post-interview. The 24 private well users found NTS results useful and valued the contextualization of their results using NTS results for other well users and a local municipal water sample. Most private well users (67%) were surprised by their well water results, especially regarding the number of tentatively identified organic chemicals detected. All the groundwater managers believed the NTS results were useful and could help improve their testing recommendations to private well users. Even with qualitative limitations, NTS results can be an effective and valuable tool to inform the public and governance stakeholders in decisions around groundwater quality management.
[Display omitted]
•NTS of 25 private well water samples tentatively identified 106 organic chemicals.•Qualitative NTS results were reported back to well users and groundwater managers.•At least one USEPA ToxCast chemical was detected in each private well water sample.•100% of well users and county groundwater managers found NTS results useful.•Results changed how 46% of well users think about their water and family's health.</abstract><cop>Netherlands</cop><pub>Elsevier B.V</pub><pmid>39218108</pmid><doi>10.1016/j.scitotenv.2024.175945</doi></addata></record> |
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subjects | Chemicals of emerging concern Drinking water Reporting back Suspect and non-target screening Water quality |
title | Diagnostic screening of private well water using gas chromatography with high resolution mass spectrometry to support well water management |
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