Occurrence of cyclic and linear siloxanes in indoor air from Albany, New York, USA, and its implications for inhalation exposure
Cyclic and linear siloxanes are used in a wide variety of household and consumer products. Nevertheless, very few studies have reported the occurrence of these compounds in indoor air or inhalation exposure to these compounds. In this study, five cyclic (D3–D7) and nine linear siloxanes (L3–L11) wer...
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| Veröffentlicht in: | The Science of the total environment 2015-04, Vol.511, p.138-144 |
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| description | Cyclic and linear siloxanes are used in a wide variety of household and consumer products. Nevertheless, very few studies have reported the occurrence of these compounds in indoor air or inhalation exposure to these compounds. In this study, five cyclic (D3–D7) and nine linear siloxanes (L3–L11) were determined in 60 indoor air samples collected in Albany, New York, USA. The mean concentrations of individual siloxanes in particulate and vapor phases ranged from |
| doi_str_mv | 10.1016/j.scitotenv.2014.12.022 |
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•Cyclic and linear siloxanes were determined in 60 indoor air samples.•Concentrations of 14 siloxanes ranged from 249 to 6210ng/m3 with the highest levels in salons.•High molecular weight siloxanes were preferably sorbed in particulate phase of indoor air.•Inhalation exposure dose to siloxanes ranged from 0.27 to 3.18μg/kg-bw/d.</description><identifier>ISSN: 0048-9697</identifier><identifier>EISSN: 1879-1026</identifier><identifier>DOI: 10.1016/j.scitotenv.2014.12.022</identifier><identifier>PMID: 25540848</identifier><language>eng</language><publisher>Netherlands: Elsevier B.V</publisher><subject>Adult ; Adults ; Air Pollutants - analysis ; Air Pollution, Indoor - analysis ; Air Pollution, Indoor - statistics & numerical data ; Child ; Child, Preschool ; Consumption ; Cyclic methylsiloxane ; Environmental Monitoring ; Exposure ; Households ; Humans ; Indoor ; Indoor air ; Infant ; Inhalation ; Inhalation exposure ; Inhalation Exposure - statistics & numerical data ; Mathematical analysis ; New York ; PDMS ; Siloxane ; Siloxanes ; Siloxanes - analysis ; Vapor phases</subject><ispartof>The Science of the total environment, 2015-04, Vol.511, p.138-144</ispartof><rights>2014 Elsevier B.V.</rights><rights>Copyright © 2014 Elsevier B.V. All rights reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c503t-6a9231342db6933644466995e490a3025e2ceaec0d488cfc860315ab9b4680ec3</citedby><cites>FETCH-LOGICAL-c503t-6a9231342db6933644466995e490a3025e2ceaec0d488cfc860315ab9b4680ec3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0048969714017240$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65534</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/25540848$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Tran, Tri Manh</creatorcontrib><creatorcontrib>Kannan, Kurunthachalam</creatorcontrib><title>Occurrence of cyclic and linear siloxanes in indoor air from Albany, New York, USA, and its implications for inhalation exposure</title><title>The Science of the total environment</title><addtitle>Sci Total Environ</addtitle><description>Cyclic and linear siloxanes are used in a wide variety of household and consumer products. Nevertheless, very few studies have reported the occurrence of these compounds in indoor air or inhalation exposure to these compounds. In this study, five cyclic (D3–D7) and nine linear siloxanes (L3–L11) were determined in 60 indoor air samples collected in Albany, New York, USA. The mean concentrations of individual siloxanes in particulate and vapor phases ranged from <12μgg−1 (for octamethyltrisiloxane [L3], decamethyltetrasiloxane [L4]) to 2420μgg−1 (for decamethylcyclopentasiloxane [D5]) and from 1.05ngm−3 to 543ngm−3, respectively. The mean concentrations of individual siloxanes in combined particulate and vapor phases of bulk indoor air ranged from 1.41ngm−3 (for L4) to 721ngm−3 (for D5). Cyclic siloxanes hexamethylcyclotrisiloxane (D3), octamethylcyclotetrasiloxane (D4), D5, dodecamethylcyclohexasiloxane (D6), and octadecamethylcycloheptasiloxane (D7) were found in all indoor air samples. The mean concentrations of total siloxanes (i.e., sum of cyclic and linear siloxanes) ranged from 249ngm−3 in laboratories to 6210ngm−3 in salons, with an overall mean concentration of 1470ngm−3 in bulk indoor air samples. The calculated mean daily inhalation exposure doses of total siloxanes (sum of 14 siloxanes) for infants, toddlers, children, teenagers, and adults were 3.18, 1.59, 0.76, 0.34, and 0.27μg/kg-bw/day, respectively.
•Cyclic and linear siloxanes were determined in 60 indoor air samples.•Concentrations of 14 siloxanes ranged from 249 to 6210ng/m3 with the highest levels in salons.•High molecular weight siloxanes were preferably sorbed in particulate phase of indoor air.•Inhalation exposure dose to siloxanes ranged from 0.27 to 3.18μg/kg-bw/d.</description><subject>Adult</subject><subject>Adults</subject><subject>Air Pollutants - analysis</subject><subject>Air Pollution, Indoor - analysis</subject><subject>Air Pollution, Indoor - statistics & numerical data</subject><subject>Child</subject><subject>Child, Preschool</subject><subject>Consumption</subject><subject>Cyclic methylsiloxane</subject><subject>Environmental Monitoring</subject><subject>Exposure</subject><subject>Households</subject><subject>Humans</subject><subject>Indoor</subject><subject>Indoor air</subject><subject>Infant</subject><subject>Inhalation</subject><subject>Inhalation exposure</subject><subject>Inhalation Exposure - statistics & numerical data</subject><subject>Mathematical analysis</subject><subject>New York</subject><subject>PDMS</subject><subject>Siloxane</subject><subject>Siloxanes</subject><subject>Siloxanes - analysis</subject><subject>Vapor phases</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>eNqNkUtv1DAURi0EokPhL4CXLCbBrzj2clTxkiq6gC5YWY5zIzwk9mAnpbPjp-N0SrfUsmRZOt-91z4IvaGkpoTKd_s6Oz_HGcJNzQgVNWU1YewJ2lDV6ooSJp-iDSFCVVrq9gy9yHlPymoVfY7OWNMIooTaoD9Xzi0pQXCA44Dd0Y3eYRt6PPoANuHsx3hrA2TsQ9l9jAlbn_CQ4oR3Y2fDcYu_wG_8PaafW3z9dbe9i_u5JKZDqWZnH0PGQwn68MOOd3cMt4eYlwQv0bPBjhle3Z_n6PrD-28Xn6rLq4-fL3aXlWsInytpNeOUC9Z3UnMuhRBSat2A0MRywhpgDiw40gul3OCUJJw2ttOdkIqA4-fo7anuIcVfC-TZTD47GMfytrhkQ2XbaqqIah-Dcq7WKR6BNi1nUjdNQdsT6lLMOcFgDslPNh0NJWaVavbmQapZpRrKTJFakq_vmyzdBP1D7p_FAuxOAJQPvPGQ1kKr0t4ncLPpo_9vk7-elbb2</recordid><startdate>20150401</startdate><enddate>20150401</enddate><creator>Tran, Tri Manh</creator><creator>Kannan, Kurunthachalam</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>7TV</scope><scope>C1K</scope><scope>8FD</scope><scope>FR3</scope><scope>KR7</scope></search><sort><creationdate>20150401</creationdate><title>Occurrence of cyclic and linear siloxanes in indoor air from Albany, New York, USA, and its implications for inhalation exposure</title><author>Tran, Tri Manh ; Kannan, Kurunthachalam</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c503t-6a9231342db6933644466995e490a3025e2ceaec0d488cfc860315ab9b4680ec3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Adult</topic><topic>Adults</topic><topic>Air Pollutants - analysis</topic><topic>Air Pollution, Indoor - analysis</topic><topic>Air Pollution, Indoor - statistics & numerical data</topic><topic>Child</topic><topic>Child, Preschool</topic><topic>Consumption</topic><topic>Cyclic methylsiloxane</topic><topic>Environmental Monitoring</topic><topic>Exposure</topic><topic>Households</topic><topic>Humans</topic><topic>Indoor</topic><topic>Indoor air</topic><topic>Infant</topic><topic>Inhalation</topic><topic>Inhalation exposure</topic><topic>Inhalation Exposure - statistics & numerical data</topic><topic>Mathematical analysis</topic><topic>New York</topic><topic>PDMS</topic><topic>Siloxane</topic><topic>Siloxanes</topic><topic>Siloxanes - analysis</topic><topic>Vapor phases</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Tran, Tri Manh</creatorcontrib><creatorcontrib>Kannan, Kurunthachalam</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>Pollution Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Civil Engineering Abstracts</collection><jtitle>The Science of the total environment</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Tran, Tri Manh</au><au>Kannan, Kurunthachalam</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Occurrence of cyclic and linear siloxanes in indoor air from Albany, New York, USA, and its implications for inhalation exposure</atitle><jtitle>The Science of the total environment</jtitle><addtitle>Sci Total Environ</addtitle><date>2015-04-01</date><risdate>2015</risdate><volume>511</volume><spage>138</spage><epage>144</epage><pages>138-144</pages><issn>0048-9697</issn><eissn>1879-1026</eissn><abstract>Cyclic and linear siloxanes are used in a wide variety of household and consumer products. Nevertheless, very few studies have reported the occurrence of these compounds in indoor air or inhalation exposure to these compounds. In this study, five cyclic (D3–D7) and nine linear siloxanes (L3–L11) were determined in 60 indoor air samples collected in Albany, New York, USA. The mean concentrations of individual siloxanes in particulate and vapor phases ranged from <12μgg−1 (for octamethyltrisiloxane [L3], decamethyltetrasiloxane [L4]) to 2420μgg−1 (for decamethylcyclopentasiloxane [D5]) and from 1.05ngm−3 to 543ngm−3, respectively. The mean concentrations of individual siloxanes in combined particulate and vapor phases of bulk indoor air ranged from 1.41ngm−3 (for L4) to 721ngm−3 (for D5). Cyclic siloxanes hexamethylcyclotrisiloxane (D3), octamethylcyclotetrasiloxane (D4), D5, dodecamethylcyclohexasiloxane (D6), and octadecamethylcycloheptasiloxane (D7) were found in all indoor air samples. The mean concentrations of total siloxanes (i.e., sum of cyclic and linear siloxanes) ranged from 249ngm−3 in laboratories to 6210ngm−3 in salons, with an overall mean concentration of 1470ngm−3 in bulk indoor air samples. The calculated mean daily inhalation exposure doses of total siloxanes (sum of 14 siloxanes) for infants, toddlers, children, teenagers, and adults were 3.18, 1.59, 0.76, 0.34, and 0.27μg/kg-bw/day, respectively.
•Cyclic and linear siloxanes were determined in 60 indoor air samples.•Concentrations of 14 siloxanes ranged from 249 to 6210ng/m3 with the highest levels in salons.•High molecular weight siloxanes were preferably sorbed in particulate phase of indoor air.•Inhalation exposure dose to siloxanes ranged from 0.27 to 3.18μg/kg-bw/d.</abstract><cop>Netherlands</cop><pub>Elsevier B.V</pub><pmid>25540848</pmid><doi>10.1016/j.scitotenv.2014.12.022</doi><tpages>7</tpages></addata></record> |
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| subjects | Adult Adults Air Pollutants - analysis Air Pollution, Indoor - analysis Air Pollution, Indoor - statistics & numerical data Child Child, Preschool Consumption Cyclic methylsiloxane Environmental Monitoring Exposure Households Humans Indoor Indoor air Infant Inhalation Inhalation exposure Inhalation Exposure - statistics & numerical data Mathematical analysis New York PDMS Siloxane Siloxanes Siloxanes - analysis Vapor phases |
| title | Occurrence of cyclic and linear siloxanes in indoor air from Albany, New York, USA, and its implications for inhalation exposure |
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