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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Veröffentlicht in:Journal of exposure analysis and environmental epidemiology 2001-12, Vol.11 (6), p.449-458
Hauptverfasser: WILSON, NANCY K, CHUANG, JANE C, LYU, CHRISTOPHER
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LYU, CHRISTOPHER
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
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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. 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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 &amp; 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 ; 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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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identifier ISSN: 1559-0631
ispartof Journal of exposure analysis and environmental epidemiology, 2001-12, Vol.11 (6), p.449-458
issn 1559-0631
1053-4245
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source MEDLINE; SpringerLink Journals
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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