Investigation of pharmaceuticals, personal care products and endocrine disrupting chemicals in a tropical urban catchment and the influence of environmental factors
Previous studies showed the presence of multiple emerging organic contaminants (EOCs) in urban surface waters of Singapore even though there are no obvious direct wastewater discharges. In this study, we investigated the occurrence and distribution of 17 pharmaceuticals and personal care products (P...
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| Veröffentlicht in: | The Science of the total environment 2015-12, Vol.536, p.955-963 |
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| creator | You, Luhua Nguyen, Viet Tung Pal, Amrita Chen, Huiting He, Yiliang Reinhard, Martin Gin, Karina Yew-Hoong |
| description | Previous studies showed the presence of multiple emerging organic contaminants (EOCs) in urban surface waters of Singapore even though there are no obvious direct wastewater discharges. In this study, we investigated the occurrence and distribution of 17 pharmaceuticals and personal care products (PPCPs) and endocrine disruptive compounds (EDCs) in a tropical urban catchment of Singapore. Monthly samples were collected from a reservoir and its 5 upstream tributaries during a 16-month period. Analysis of samples showed all sites had measurable PPCP and EDC concentrations, with caffeine (33.9–2980ng/L), salicylic acid (5–838ng/L), acetaminophen ( |
| doi_str_mv | 10.1016/j.scitotenv.2015.06.041 |
| format | Article |
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[Display omitted]
•Higher occurrence and concentrations of caffeine, salicylic acid, BPA and DEET compared to other PPCPs and EDCs.•Significant natural attenuation of caffeine, salicylic acid, acetaminophen and triclosan in the reservoir.•Significant correlations between PPCP/EDC concentrations and conductivity, dissolved oxygen, chlorophyll a, turbidity, nutrients and cumulative precipitation.•BPA was the only chemical with levels exceeding the PNEC value.</description><identifier>ISSN: 0048-9697</identifier><identifier>EISSN: 1879-1026</identifier><identifier>DOI: 10.1016/j.scitotenv.2015.06.041</identifier><identifier>PMID: 26138904</identifier><language>eng</language><publisher>Netherlands: Elsevier B.V</publisher><subject>Attenuation ; Caffeine ; Catchments ; Cosmetics - analysis ; Endocrine disruptors ; Endocrine Disruptors - analysis ; Environmental Monitoring ; Liquid chromatography–tandem mass spectrometry ; Pharmaceutical Preparations - analysis ; Pharmaceuticals ; PPCPs ; Reservoirs ; Risk assessment ; Singapore ; Surface water ; Tributaries ; Upstream ; Water Pollutants, Chemical - analysis</subject><ispartof>The Science of the total environment, 2015-12, Vol.536, p.955-963</ispartof><rights>2015 Elsevier B.V.</rights><rights>Copyright © 2015 Elsevier B.V. All rights reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c503t-84f40457469f35ae6ec08be2dddece7662ed152a86d75cd4552b708e5c8122783</citedby><cites>FETCH-LOGICAL-c503t-84f40457469f35ae6ec08be2dddece7662ed152a86d75cd4552b708e5c8122783</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.2015.06.041$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/26138904$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>You, Luhua</creatorcontrib><creatorcontrib>Nguyen, Viet Tung</creatorcontrib><creatorcontrib>Pal, Amrita</creatorcontrib><creatorcontrib>Chen, Huiting</creatorcontrib><creatorcontrib>He, Yiliang</creatorcontrib><creatorcontrib>Reinhard, Martin</creatorcontrib><creatorcontrib>Gin, Karina Yew-Hoong</creatorcontrib><title>Investigation of pharmaceuticals, personal care products and endocrine disrupting chemicals in a tropical urban catchment and the influence of environmental factors</title><title>The Science of the total environment</title><addtitle>Sci Total Environ</addtitle><description>Previous studies showed the presence of multiple emerging organic contaminants (EOCs) in urban surface waters of Singapore even though there are no obvious direct wastewater discharges. In this study, we investigated the occurrence and distribution of 17 pharmaceuticals and personal care products (PPCPs) and endocrine disruptive compounds (EDCs) in a tropical urban catchment of Singapore. Monthly samples were collected from a reservoir and its 5 upstream tributaries during a 16-month period. Analysis of samples showed all sites had measurable PPCP and EDC concentrations, with caffeine (33.9–2980ng/L), salicylic acid (5–838ng/L), acetaminophen (<4–485.5ng/L), BPA (<2–919.5ng/L) and DEET (13–270ng/L) being the most abundant. Marked differences in concentrations of target analytes between the reservoir and upstream tributaries were observed, and were tentatively attributed to the spatial differences in source inputs, water dilution capacity as well as natural attenuation of EOCs. Significant correlations between EOCs and conductivity, dissolved oxygen, chlorophyll a, turbidity, nutrients and cumulative precipitation were observed. These factors appeared to affect the distribution and attenuation of EOCs, depending on their physicochemical properties. Rainfall also influenced the temporal distribution of caffeine, BPA, triclosan, fipronil and DEET in the reservoir. Ecological risk assessment showed that caffeine, acetaminophen, estrone, BPA, triclosan and fipronil may warrant further survey. In particular, BPA levels exceeded the literature-based Predicted No-Effect Concentration (PNEC) value, highlighting the need for source control and/or water remediation in this urban catchment.
[Display omitted]
•Higher occurrence and concentrations of caffeine, salicylic acid, BPA and DEET compared to other PPCPs and EDCs.•Significant natural attenuation of caffeine, salicylic acid, acetaminophen and triclosan in the reservoir.•Significant correlations between PPCP/EDC concentrations and conductivity, dissolved oxygen, chlorophyll a, turbidity, nutrients and cumulative precipitation.•BPA was the only chemical with levels exceeding the PNEC value.</description><subject>Attenuation</subject><subject>Caffeine</subject><subject>Catchments</subject><subject>Cosmetics - analysis</subject><subject>Endocrine disruptors</subject><subject>Endocrine Disruptors - analysis</subject><subject>Environmental Monitoring</subject><subject>Liquid chromatography–tandem mass spectrometry</subject><subject>Pharmaceutical Preparations - analysis</subject><subject>Pharmaceuticals</subject><subject>PPCPs</subject><subject>Reservoirs</subject><subject>Risk assessment</subject><subject>Singapore</subject><subject>Surface water</subject><subject>Tributaries</subject><subject>Upstream</subject><subject>Water Pollutants, Chemical - analysis</subject><issn>0048-9697</issn><issn>1879-1026</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqNkc1u1DAUhS0EokPhFcBLFiTYTvyTZVXxU6kSG1hbHvum41FiB9sZiffpg-J0SrfUmytL3zlX9xyEPlDSUkLF52ObrS-xQDi1jFDeEtGSnr5AO6rk0FDCxEu0I6RXzSAGeYHe5Hwk9UlFX6MLJminBtLv0P1NOEEu_s4UHwOOI14OJs3Gwlq8NVP-hBdIOQYzYWsS4CVFt9qSsQkOQ3DRJh8AO5_TuhQf7rA9wPwgxT5gg0uKy_bFa9qbUE2KPcwQyoNBOUClxmmFYGHbXg_yKYYNqJLR2BJTfotejdUP3j3OS_Tr65ef19-b2x_fbq6vbhvLSVca1Y896bnsxTB23IAAS9QemHMOLEghGDjKmVHCSW5dzznbS6KAW0UZk6q7RB_PvvXI32uNRc8-W5gmEyCuWVMp5TD0hHXPQHtRExbiOSglgrPqXVF5Rm2KOScY9ZL8bNIfTYneitdH_VS83orXROhafFW-f1yy7mdwT7p_TVfg6gxADfDkIW1GW-rOJ7BFu-j_u-QvvELHbA</recordid><startdate>20151201</startdate><enddate>20151201</enddate><creator>You, Luhua</creator><creator>Nguyen, Viet Tung</creator><creator>Pal, Amrita</creator><creator>Chen, Huiting</creator><creator>He, Yiliang</creator><creator>Reinhard, Martin</creator><creator>Gin, Karina Yew-Hoong</creator><general>Elsevier B.V</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>7QH</scope><scope>7ST</scope><scope>7TG</scope><scope>7TV</scope><scope>7U1</scope><scope>7U2</scope><scope>7U7</scope><scope>7UA</scope><scope>C1K</scope><scope>F1W</scope><scope>H97</scope><scope>KL.</scope><scope>L.G</scope><scope>SOI</scope><scope>8FD</scope><scope>FR3</scope><scope>KR7</scope></search><sort><creationdate>20151201</creationdate><title>Investigation of pharmaceuticals, personal care products and endocrine disrupting chemicals in a tropical urban catchment and the influence of environmental factors</title><author>You, Luhua ; 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In this study, we investigated the occurrence and distribution of 17 pharmaceuticals and personal care products (PPCPs) and endocrine disruptive compounds (EDCs) in a tropical urban catchment of Singapore. Monthly samples were collected from a reservoir and its 5 upstream tributaries during a 16-month period. Analysis of samples showed all sites had measurable PPCP and EDC concentrations, with caffeine (33.9–2980ng/L), salicylic acid (5–838ng/L), acetaminophen (<4–485.5ng/L), BPA (<2–919.5ng/L) and DEET (13–270ng/L) being the most abundant. Marked differences in concentrations of target analytes between the reservoir and upstream tributaries were observed, and were tentatively attributed to the spatial differences in source inputs, water dilution capacity as well as natural attenuation of EOCs. Significant correlations between EOCs and conductivity, dissolved oxygen, chlorophyll a, turbidity, nutrients and cumulative precipitation were observed. These factors appeared to affect the distribution and attenuation of EOCs, depending on their physicochemical properties. Rainfall also influenced the temporal distribution of caffeine, BPA, triclosan, fipronil and DEET in the reservoir. Ecological risk assessment showed that caffeine, acetaminophen, estrone, BPA, triclosan and fipronil may warrant further survey. In particular, BPA levels exceeded the literature-based Predicted No-Effect Concentration (PNEC) value, highlighting the need for source control and/or water remediation in this urban catchment.
[Display omitted]
•Higher occurrence and concentrations of caffeine, salicylic acid, BPA and DEET compared to other PPCPs and EDCs.•Significant natural attenuation of caffeine, salicylic acid, acetaminophen and triclosan in the reservoir.•Significant correlations between PPCP/EDC concentrations and conductivity, dissolved oxygen, chlorophyll a, turbidity, nutrients and cumulative precipitation.•BPA was the only chemical with levels exceeding the PNEC value.</abstract><cop>Netherlands</cop><pub>Elsevier B.V</pub><pmid>26138904</pmid><doi>10.1016/j.scitotenv.2015.06.041</doi><tpages>9</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0048-9697 |
| ispartof | The Science of the total environment, 2015-12, Vol.536, p.955-963 |
| issn | 0048-9697 1879-1026 |
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| source | MEDLINE; ScienceDirect Journals (5 years ago - present) |
| subjects | Attenuation Caffeine Catchments Cosmetics - analysis Endocrine disruptors Endocrine Disruptors - analysis Environmental Monitoring Liquid chromatography–tandem mass spectrometry Pharmaceutical Preparations - analysis Pharmaceuticals PPCPs Reservoirs Risk assessment Singapore Surface water Tributaries Upstream Water Pollutants, Chemical - analysis |
| title | Investigation of pharmaceuticals, personal care products and endocrine disrupting chemicals in a tropical urban catchment and the influence of environmental factors |
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