Levels of persistent organic pollutants in several child day care centers
The concentrations of a suite of persistent organic chemicals were measured in multiple media in 10 child day care centers located in central North Carolina. Five centers served mainly children from low-income families, as defined by the federal Women, Infants, and Children (WIC) assistance program,...
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description | The concentrations of a suite of persistent organic chemicals were measured in multiple media in 10 child day care centers located in central North Carolina. Five centers served mainly children from low-income families, as defined by the federal Women, Infants, and Children (WIC) assistance program, and five served mainly children from middle-income families. The targeted chemicals were chosen because of their probable carcinogenicity, acute or chronic toxicity, or hypothesized potential for endocrine system disruption. Targeted compounds included polycyclic aromatic hydrocarbons (PAHs), pentachloro- and nonyl-phenol, bisphenol-A, dibutyl and butylbenzyl phthalate, polychlorinated biphenyls (PCBs), organochlorine pesticides, the organophosphate pesticides diazinon and chlorpyrifos, and the herbicide 2,4-dichlorophenoxyacetic acid (2,4D). Sampled media were indoor and outdoor air, food and beverages, indoor dust, and outdoor play area soil. Concentrations of the targeted compounds were determined using a combination of extraction and analysis methods, depending on the media. Analysis was predominantly by gas chromatography/mass spectrometry (GC/MS) or gas chromatography with electron capture detection (GC/ECD). Concentrations of the targeted pollutants were low and well below the levels generally considered to be of concern as possible health hazards. Potential exposures to the target compounds were estimated from the concentrations in the various media, the children's daily time–activity schedules at day care, and the best currently available estimates of the inhalation rates (8.3 m
3
/day) and soil ingestion rates (100 mg/day) of children ages 3–5. The potential exposures for the target compounds differed depending on the compound class and the sampled media. Potential exposures through dietary ingestion were greater than those through inhalation, which were greater than those through nondietary ingestion, for the total of all PAHs, the phenols, the organophosphate pesticides, and the organochlorine pesticides. Potential exposures through dietary ingestion were greater than those through nondietary ingestion, which were greater than those through inhalation, for those PAHs that are probable human carcinogens (B2 PAH), the phthalate esters, and 2,4D. For the PCBs, exposures through inhalation were greater than those through nondietary ingestion, and exposures through dietary ingestion were smallest. Differences in targeted compound levels between the cente |
doi_str_mv | 10.1038/sj.jea.7500190 |
format | Article |
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3
/day) and soil ingestion rates (100 mg/day) of children ages 3–5. The potential exposures for the target compounds differed depending on the compound class and the sampled media. Potential exposures through dietary ingestion were greater than those through inhalation, which were greater than those through nondietary ingestion, for the total of all PAHs, the phenols, the organophosphate pesticides, and the organochlorine pesticides. Potential exposures through dietary ingestion were greater than those through nondietary ingestion, which were greater than those through inhalation, for those PAHs that are probable human carcinogens (B2 PAH), the phthalate esters, and 2,4D. For the PCBs, exposures through inhalation were greater than those through nondietary ingestion, and exposures through dietary ingestion were smallest. Differences in targeted compound levels between the centers that serve mainly low-income clients and those that serve mainly middle-income clients were small and depended on the compound class and the medium.</description><identifier>ISSN: 1559-0631</identifier><identifier>ISSN: 1053-4245</identifier><identifier>EISSN: 1559-064X</identifier><identifier>DOI: 10.1038/sj.jea.7500190</identifier><identifier>PMID: 11791162</identifier><language>eng</language><publisher>New York: Nature Publishing Group US</publisher><subject>Activities of Daily Living ; Air Pollution, Indoor - analysis ; Aromatic compounds ; Beta decay ; Beverages ; Bisphenol A ; Carcinogenicity ; Carcinogens ; Carcinogens - analysis ; Chemicals ; Child ; Child Day Care Centers ; Child, Preschool ; Children ; Chlorpyrifos ; Chromatography ; Chronic toxicity ; Clients ; Day care centers ; Diazinon ; Dichlorophenoxyacetic acid ; Dust ; Economic aspects ; Electron capture ; Endocrine system ; Endocrine System - drug effects ; Environmental aspects ; Environmental Exposure ; Epidemiology ; Esters ; Exposure ; Female ; Fungicides ; Gas chromatography ; Gas Chromatography-Mass Spectrometry ; Health aspects ; Health hazards ; Herbicides ; Humans ; Income ; Infants ; Ingestion ; Inhalation ; Inhalation Exposure ; Insecticides ; Insecticides - analysis ; Low income groups ; Male ; Mass spectrometry ; Mass spectroscopy ; Measurement ; Media ; Medicine ; Medicine & Public Health ; Organic chemicals ; Organic Chemicals - analysis ; Organic chemistry ; Organic compounds ; Organochlorine pesticides ; Organophosphates ; Organophosphorus pesticides ; original-article ; PCB ; Persistent organic pollutants ; Pesticides ; Phenols ; Phthalate esters ; Phthalates ; Pollutants ; Pollution detection ; Polychlorinated biphenyls ; Polycyclic aromatic hydrocarbons ; Poverty ; Respiration ; Safety and security measures ; Soil Pollutants - analysis ; Soils ; Toxicity ; Xenobiotics - analysis</subject><ispartof>Journal of exposure analysis and environmental epidemiology, 2001-12, Vol.11 (6), p.449-458</ispartof><rights>Springer Nature America, Inc. 2001</rights><rights>COPYRIGHT 2001 Nature Publishing Group</rights><rights>Copyright Nature Publishing Group Dec 2001</rights><rights>Nature Publishing Group 2001.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c560t-f25a09bc489b6b11c41f6eca4eee14e587dee4eb0b8fda6db11177e1c9754c4e3</citedby><cites>FETCH-LOGICAL-c560t-f25a09bc489b6b11c41f6eca4eee14e587dee4eb0b8fda6db11177e1c9754c4e3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1038/sj.jea.7500190$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1038/sj.jea.7500190$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27903,27904,41467,42536,51297</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/11791162$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>WILSON, NANCY K</creatorcontrib><creatorcontrib>CHUANG, JANE C</creatorcontrib><creatorcontrib>LYU, CHRISTOPHER</creatorcontrib><title>Levels of persistent organic pollutants in several child day care centers</title><title>Journal of exposure analysis and environmental epidemiology</title><addtitle>J Expo Sci Environ Epidemiol</addtitle><addtitle>J Expo Anal Environ Epidemiol</addtitle><description>The concentrations of a suite of persistent organic chemicals were measured in multiple media in 10 child day care centers located in central North Carolina. Five centers served mainly children from low-income families, as defined by the federal Women, Infants, and Children (WIC) assistance program, and five served mainly children from middle-income families. The targeted chemicals were chosen because of their probable carcinogenicity, acute or chronic toxicity, or hypothesized potential for endocrine system disruption. Targeted compounds included polycyclic aromatic hydrocarbons (PAHs), pentachloro- and nonyl-phenol, bisphenol-A, dibutyl and butylbenzyl phthalate, polychlorinated biphenyls (PCBs), organochlorine pesticides, the organophosphate pesticides diazinon and chlorpyrifos, and the herbicide 2,4-dichlorophenoxyacetic acid (2,4D). Sampled media were indoor and outdoor air, food and beverages, indoor dust, and outdoor play area soil. Concentrations of the targeted compounds were determined using a combination of extraction and analysis methods, depending on the media. Analysis was predominantly by gas chromatography/mass spectrometry (GC/MS) or gas chromatography with electron capture detection (GC/ECD). Concentrations of the targeted pollutants were low and well below the levels generally considered to be of concern as possible health hazards. Potential exposures to the target compounds were estimated from the concentrations in the various media, the children's daily time–activity schedules at day care, and the best currently available estimates of the inhalation rates (8.3 m
3
/day) and soil ingestion rates (100 mg/day) of children ages 3–5. The potential exposures for the target compounds differed depending on the compound class and the sampled media. Potential exposures through dietary ingestion were greater than those through inhalation, which were greater than those through nondietary ingestion, for the total of all PAHs, the phenols, the organophosphate pesticides, and the organochlorine pesticides. Potential exposures through dietary ingestion were greater than those through nondietary ingestion, which were greater than those through inhalation, for those PAHs that are probable human carcinogens (B2 PAH), the phthalate esters, and 2,4D. For the PCBs, exposures through inhalation were greater than those through nondietary ingestion, and exposures through dietary ingestion were smallest. Differences in targeted compound levels between the centers that serve mainly low-income clients and those that serve mainly middle-income clients were small and depended on the compound class and the medium.</description><subject>Activities of Daily Living</subject><subject>Air Pollution, Indoor - analysis</subject><subject>Aromatic compounds</subject><subject>Beta decay</subject><subject>Beverages</subject><subject>Bisphenol A</subject><subject>Carcinogenicity</subject><subject>Carcinogens</subject><subject>Carcinogens - analysis</subject><subject>Chemicals</subject><subject>Child</subject><subject>Child Day Care Centers</subject><subject>Child, Preschool</subject><subject>Children</subject><subject>Chlorpyrifos</subject><subject>Chromatography</subject><subject>Chronic toxicity</subject><subject>Clients</subject><subject>Day care centers</subject><subject>Diazinon</subject><subject>Dichlorophenoxyacetic acid</subject><subject>Dust</subject><subject>Economic aspects</subject><subject>Electron capture</subject><subject>Endocrine system</subject><subject>Endocrine System - drug effects</subject><subject>Environmental aspects</subject><subject>Environmental Exposure</subject><subject>Epidemiology</subject><subject>Esters</subject><subject>Exposure</subject><subject>Female</subject><subject>Fungicides</subject><subject>Gas chromatography</subject><subject>Gas Chromatography-Mass Spectrometry</subject><subject>Health aspects</subject><subject>Health hazards</subject><subject>Herbicides</subject><subject>Humans</subject><subject>Income</subject><subject>Infants</subject><subject>Ingestion</subject><subject>Inhalation</subject><subject>Inhalation Exposure</subject><subject>Insecticides</subject><subject>Insecticides - analysis</subject><subject>Low income groups</subject><subject>Male</subject><subject>Mass spectrometry</subject><subject>Mass spectroscopy</subject><subject>Measurement</subject><subject>Media</subject><subject>Medicine</subject><subject>Medicine & Public Health</subject><subject>Organic chemicals</subject><subject>Organic Chemicals - analysis</subject><subject>Organic chemistry</subject><subject>Organic compounds</subject><subject>Organochlorine pesticides</subject><subject>Organophosphates</subject><subject>Organophosphorus pesticides</subject><subject>original-article</subject><subject>PCB</subject><subject>Persistent organic pollutants</subject><subject>Pesticides</subject><subject>Phenols</subject><subject>Phthalate esters</subject><subject>Phthalates</subject><subject>Pollutants</subject><subject>Pollution detection</subject><subject>Polychlorinated biphenyls</subject><subject>Polycyclic aromatic hydrocarbons</subject><subject>Poverty</subject><subject>Respiration</subject><subject>Safety and security measures</subject><subject>Soil Pollutants - analysis</subject><subject>Soils</subject><subject>Toxicity</subject><subject>Xenobiotics - analysis</subject><issn>1559-0631</issn><issn>1053-4245</issn><issn>1559-064X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2001</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNqNks9LwzAcxYMobk6vHiXoeVu-bZKuxzH8MRh4UfAW0vTbmdK1M-mE_fdGVhyiQ8khIfm894WXR8glsBGweDL25ahEPUoEY5CyI9IHIdIhk_zl-OscQ4-ceV8yxnki2SnpASQpgIz6ZL7Ad6w8bQq6Ruetb7FuaeOWuraGrpuq2rS6bj21NfUBdbqi5tVWOc31lhrtkJqgCNJzclLoyuNFtw_I893t0-xhuHi8n8-mi6ERkrXDIhKapZnhkzSTGYDhUEg0miMicBSTJEfkmLFsUuRa5gGBJEEwaSK44RgPyM3Od-2atw36VpXNxtVhpIokZ1KyWMSBuj5IQRqAiMPeaqkrVLYumtZps7LeqCmkcRwiktEfFERRJKQM1OgXKqwcV9Y0NRY23H-z_afgxwTjGu8dFmrt7Eq7rQKmPsugfKlCGVRXhiC46jLYZCvM93j3-wEY7wAfnuolun1IByw_AM6jvMI</recordid><startdate>20011201</startdate><enddate>20011201</enddate><creator>WILSON, NANCY K</creator><creator>CHUANG, JANE C</creator><creator>LYU, CHRISTOPHER</creator><general>Nature Publishing Group US</general><general>Nature Publishing Group</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>3V.</scope><scope>7QO</scope><scope>7ST</scope><scope>7T2</scope><scope>7U7</scope><scope>7X7</scope><scope>7XB</scope><scope>88E</scope><scope>88I</scope><scope>8AO</scope><scope>8C1</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>8FH</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>ATCPS</scope><scope>AZQEC</scope><scope>BBNVY</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>BHPHI</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FR3</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>GNUQQ</scope><scope>HCIFZ</scope><scope>K9.</scope><scope>L6V</scope><scope>LK8</scope><scope>M0S</scope><scope>M1P</scope><scope>M2P</scope><scope>M7P</scope><scope>M7S</scope><scope>P64</scope><scope>PATMY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PTHSS</scope><scope>PYCSY</scope><scope>Q9U</scope><scope>SOI</scope></search><sort><creationdate>20011201</creationdate><title>Levels of persistent organic pollutants in several child day care centers</title><author>WILSON, NANCY K ; CHUANG, JANE C ; LYU, CHRISTOPHER</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c560t-f25a09bc489b6b11c41f6eca4eee14e587dee4eb0b8fda6db11177e1c9754c4e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2001</creationdate><topic>Activities of Daily Living</topic><topic>Air Pollution, Indoor - analysis</topic><topic>Aromatic compounds</topic><topic>Beta decay</topic><topic>Beverages</topic><topic>Bisphenol A</topic><topic>Carcinogenicity</topic><topic>Carcinogens</topic><topic>Carcinogens - analysis</topic><topic>Chemicals</topic><topic>Child</topic><topic>Child Day Care Centers</topic><topic>Child, Preschool</topic><topic>Children</topic><topic>Chlorpyrifos</topic><topic>Chromatography</topic><topic>Chronic toxicity</topic><topic>Clients</topic><topic>Day care centers</topic><topic>Diazinon</topic><topic>Dichlorophenoxyacetic acid</topic><topic>Dust</topic><topic>Economic aspects</topic><topic>Electron capture</topic><topic>Endocrine system</topic><topic>Endocrine System - drug effects</topic><topic>Environmental aspects</topic><topic>Environmental Exposure</topic><topic>Epidemiology</topic><topic>Esters</topic><topic>Exposure</topic><topic>Female</topic><topic>Fungicides</topic><topic>Gas chromatography</topic><topic>Gas Chromatography-Mass Spectrometry</topic><topic>Health aspects</topic><topic>Health hazards</topic><topic>Herbicides</topic><topic>Humans</topic><topic>Income</topic><topic>Infants</topic><topic>Ingestion</topic><topic>Inhalation</topic><topic>Inhalation Exposure</topic><topic>Insecticides</topic><topic>Insecticides - analysis</topic><topic>Low income groups</topic><topic>Male</topic><topic>Mass spectrometry</topic><topic>Mass spectroscopy</topic><topic>Measurement</topic><topic>Media</topic><topic>Medicine</topic><topic>Medicine & Public Health</topic><topic>Organic chemicals</topic><topic>Organic Chemicals - analysis</topic><topic>Organic chemistry</topic><topic>Organic compounds</topic><topic>Organochlorine pesticides</topic><topic>Organophosphates</topic><topic>Organophosphorus pesticides</topic><topic>original-article</topic><topic>PCB</topic><topic>Persistent organic pollutants</topic><topic>Pesticides</topic><topic>Phenols</topic><topic>Phthalate esters</topic><topic>Phthalates</topic><topic>Pollutants</topic><topic>Pollution detection</topic><topic>Polychlorinated biphenyls</topic><topic>Polycyclic aromatic hydrocarbons</topic><topic>Poverty</topic><topic>Respiration</topic><topic>Safety and security measures</topic><topic>Soil Pollutants - analysis</topic><topic>Soils</topic><topic>Toxicity</topic><topic>Xenobiotics - analysis</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>WILSON, NANCY K</creatorcontrib><creatorcontrib>CHUANG, JANE C</creatorcontrib><creatorcontrib>LYU, CHRISTOPHER</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Biotechnology Research Abstracts</collection><collection>Environment Abstracts</collection><collection>Health and Safety Science Abstracts (Full archive)</collection><collection>Toxicology Abstracts</collection><collection>Health & Medical Collection</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Medical Database (Alumni Edition)</collection><collection>Science Database (Alumni Edition)</collection><collection>ProQuest Pharma Collection</collection><collection>Public Health Database</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>ProQuest Natural Science Collection</collection><collection>Hospital Premium Collection</collection><collection>Hospital Premium Collection (Alumni Edition)</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest One Sustainability</collection><collection>ProQuest Central UK/Ireland</collection><collection>Agricultural & Environmental Science Collection</collection><collection>ProQuest Central Essentials</collection><collection>Biological Science Collection</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>Natural Science Collection</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>Engineering Research Database</collection><collection>Health Research Premium Collection</collection><collection>Health Research Premium Collection (Alumni)</collection><collection>ProQuest Central Student</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>ProQuest Engineering Collection</collection><collection>ProQuest Biological Science Collection</collection><collection>Health & Medical Collection (Alumni Edition)</collection><collection>Medical Database</collection><collection>Science Database</collection><collection>Biological Science Database</collection><collection>Engineering Database</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Environmental Science Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>Engineering Collection</collection><collection>Environmental Science Collection</collection><collection>ProQuest Central Basic</collection><collection>Environment Abstracts</collection><jtitle>Journal of exposure analysis and environmental epidemiology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>WILSON, NANCY K</au><au>CHUANG, JANE C</au><au>LYU, CHRISTOPHER</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Levels of persistent organic pollutants in several child day care centers</atitle><jtitle>Journal of exposure analysis and environmental epidemiology</jtitle><stitle>J Expo Sci Environ Epidemiol</stitle><addtitle>J Expo Anal Environ Epidemiol</addtitle><date>2001-12-01</date><risdate>2001</risdate><volume>11</volume><issue>6</issue><spage>449</spage><epage>458</epage><pages>449-458</pages><issn>1559-0631</issn><issn>1053-4245</issn><eissn>1559-064X</eissn><abstract>The concentrations of a suite of persistent organic chemicals were measured in multiple media in 10 child day care centers located in central North Carolina. Five centers served mainly children from low-income families, as defined by the federal Women, Infants, and Children (WIC) assistance program, and five served mainly children from middle-income families. The targeted chemicals were chosen because of their probable carcinogenicity, acute or chronic toxicity, or hypothesized potential for endocrine system disruption. Targeted compounds included polycyclic aromatic hydrocarbons (PAHs), pentachloro- and nonyl-phenol, bisphenol-A, dibutyl and butylbenzyl phthalate, polychlorinated biphenyls (PCBs), organochlorine pesticides, the organophosphate pesticides diazinon and chlorpyrifos, and the herbicide 2,4-dichlorophenoxyacetic acid (2,4D). Sampled media were indoor and outdoor air, food and beverages, indoor dust, and outdoor play area soil. Concentrations of the targeted compounds were determined using a combination of extraction and analysis methods, depending on the media. Analysis was predominantly by gas chromatography/mass spectrometry (GC/MS) or gas chromatography with electron capture detection (GC/ECD). Concentrations of the targeted pollutants were low and well below the levels generally considered to be of concern as possible health hazards. Potential exposures to the target compounds were estimated from the concentrations in the various media, the children's daily time–activity schedules at day care, and the best currently available estimates of the inhalation rates (8.3 m
3
/day) and soil ingestion rates (100 mg/day) of children ages 3–5. The potential exposures for the target compounds differed depending on the compound class and the sampled media. Potential exposures through dietary ingestion were greater than those through inhalation, which were greater than those through nondietary ingestion, for the total of all PAHs, the phenols, the organophosphate pesticides, and the organochlorine pesticides. Potential exposures through dietary ingestion were greater than those through nondietary ingestion, which were greater than those through inhalation, for those PAHs that are probable human carcinogens (B2 PAH), the phthalate esters, and 2,4D. For the PCBs, exposures through inhalation were greater than those through nondietary ingestion, and exposures through dietary ingestion were smallest. Differences in targeted compound levels between the centers that serve mainly low-income clients and those that serve mainly middle-income clients were small and depended on the compound class and the medium.</abstract><cop>New York</cop><pub>Nature Publishing Group US</pub><pmid>11791162</pmid><doi>10.1038/sj.jea.7500190</doi><tpages>10</tpages><oa>free_for_read</oa></addata></record> |
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subjects | Activities of Daily Living Air Pollution, Indoor - analysis Aromatic compounds Beta decay Beverages Bisphenol A Carcinogenicity Carcinogens Carcinogens - analysis Chemicals Child Child Day Care Centers Child, Preschool Children Chlorpyrifos Chromatography Chronic toxicity Clients Day care centers Diazinon Dichlorophenoxyacetic acid Dust Economic aspects Electron capture Endocrine system Endocrine System - drug effects Environmental aspects Environmental Exposure Epidemiology Esters Exposure Female Fungicides Gas chromatography Gas Chromatography-Mass Spectrometry Health aspects Health hazards Herbicides Humans Income Infants Ingestion Inhalation Inhalation Exposure Insecticides Insecticides - analysis Low income groups Male Mass spectrometry Mass spectroscopy Measurement Media Medicine Medicine & Public Health Organic chemicals Organic Chemicals - analysis Organic chemistry Organic compounds Organochlorine pesticides Organophosphates Organophosphorus pesticides original-article PCB Persistent organic pollutants Pesticides Phenols Phthalate esters Phthalates Pollutants Pollution detection Polychlorinated biphenyls Polycyclic aromatic hydrocarbons Poverty Respiration Safety and security measures Soil Pollutants - analysis Soils Toxicity Xenobiotics - analysis |
title | Levels of persistent organic pollutants in several child day care centers |
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