@article{davis_measurement_2012,
	title = {Measurement of flame retardants and triclosan in municipal sewage sludge and biosolids.},
	volume = {40},
	issn = {1873-6750},
	url = {http://www.ncbi.nlm.nih.gov/pubmed/22280921},
	doi = {10.1016/j.envint.2011.11.008},
	abstract = {As polybrominated diphenyl ethers (PBDEs) face increasing restrictions worldwide, several alternate flame retardants are expected to see increased use as replacement compounds in consumer products. Chemical analysis of biosolids collected from wastewater treatment plants (WWTPs) can help determine whether these flame retardants are migrating from the indoor environment to the outdoor environment, where little is known about their ultimate fate and effects. The objective of this study was to measure concentrations of a suite of flame retardants, and the antimicrobial compound triclosan, in opportunistic samples of municipal biosolids and the domestic sludge Standard Reference Material (SRM) 2781. Grab samples of biosolids were collected from two WWTPs in North Carolina and two in California. Biosolids samples were also obtained during three subsequent collection events at one of the North Carolina WWTPs to evaluate fluctuations in contaminant levels within a given facility over a period of three years. The biosolids and SRM 2781 were analyzed for PBDEs, hexabromobenzene (HBB), 1,2-bis(2,4,6-tribromophenoxy)ethane (BTBPE), 2-ethylhexyl 2,3,4,5-tetrabromobenzoate (TBB), di(2-ethylhexyl)-2,3,4,5-tetrabromophthalate (TBPH), the chlorinated flame retardant Dechlorane Plus (syn- and anti-isomers), and the antimicrobial agent 5-chloro-2-(2,4-dichlorophenoxy)phenol (triclosan). PBDEs were detected in every sample analyzed, and ΣPBDE concentrations ranged from 1750 to 6358ng/g dry weight. Additionally, the PBDE replacement chemicals TBB and TBPH were detected at concentrations ranging from 120 to 3749 ng/g dry weight and from 206 to 1631 ng/g dry weight, respectively. Triclosan concentrations ranged from 490 to 13,866 ng/g dry weight. The detection of these contaminants of emerging concern in biosolids suggests that these chemicals have the potential to migrate out of consumer products and enter the outdoor environment.},
	journal = {Environment international},
	author = {Davis, Elizabeth F and Klosterhaus, Susan L and Stapleton, Heather M},
	month = apr,
	year = {2012},
	pmid = {22280921},
	keywords = {Anti-Infective Agents, Chemical, Chemical: analysis, Environmental Monitoring, Flame Retardants: analysis, Flame retardants, Fluid, Halogenated Diphenyl Ethers, Halogenated Diphenyl Ethers: analysis, Local, Local: analysis, North Carolina, Sewage, Sewage: chemistry, Triclosan, Triclosan: analysis, Waste Disposal, Water Pollutants, california},
	pages = {1--7}
}

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Chemical analysis of biosolids collected from wastewater treatment plants (WWTPs) can help determine whether these flame retardants are migrating from the indoor environment to the outdoor environment, where little is known about their ultimate fate and effects. The objective of this study was to measure concentrations of a suite of flame retardants, and the antimicrobial compound triclosan, in opportunistic samples of municipal biosolids and the domestic sludge Standard Reference Material (SRM) 2781. Grab samples of biosolids were collected from two WWTPs in North Carolina and two in California. Biosolids samples were also obtained during three subsequent collection events at one of the North Carolina WWTPs to evaluate fluctuations in contaminant levels within a given facility over a period of three years. The biosolids and SRM 2781 were analyzed for PBDEs, hexabromobenzene (HBB), 1,2-bis(2,4,6-tribromophenoxy)ethane (BTBPE), 2-ethylhexyl 2,3,4,5-tetrabromobenzoate (TBB), di(2-ethylhexyl)-2,3,4,5-tetrabromophthalate (TBPH), the chlorinated flame retardant Dechlorane Plus (syn- and anti-isomers), and the antimicrobial agent 5-chloro-2-(2,4-dichlorophenoxy)phenol (triclosan). PBDEs were detected in every sample analyzed, and ΣPBDE concentrations ranged from 1750 to 6358ng/g dry weight. Additionally, the PBDE replacement chemicals TBB and TBPH were detected at concentrations ranging from 120 to 3749 ng/g dry weight and from 206 to 1631 ng/g dry weight, respectively. Triclosan concentrations ranged from 490 to 13,866 ng/g dry weight. The detection of these contaminants of emerging concern in biosolids suggests that these chemicals have the potential to migrate out of consumer products and enter the outdoor environment.","journal":"Environment international","author":[{"propositions":[],"lastnames":["Davis"],"firstnames":["Elizabeth","F"],"suffixes":[]},{"propositions":[],"lastnames":["Klosterhaus"],"firstnames":["Susan","L"],"suffixes":[]},{"propositions":[],"lastnames":["Stapleton"],"firstnames":["Heather","M"],"suffixes":[]}],"month":"April","year":"2012","pmid":"22280921","keywords":"Anti-Infective Agents, Chemical, Chemical: analysis, Environmental Monitoring, Flame Retardants: analysis, Flame retardants, Fluid, Halogenated Diphenyl Ethers, Halogenated Diphenyl Ethers: analysis, Local, Local: analysis, North Carolina, Sewage, Sewage: chemistry, Triclosan, Triclosan: analysis, Waste Disposal, Water Pollutants, california","pages":"1--7","bibtex":"@article{davis_measurement_2012,\n\ttitle = {Measurement of flame retardants and triclosan in municipal sewage sludge and biosolids.},\n\tvolume = {40},\n\tissn = {1873-6750},\n\turl = {http://www.ncbi.nlm.nih.gov/pubmed/22280921},\n\tdoi = {10.1016/j.envint.2011.11.008},\n\tabstract = {As polybrominated diphenyl ethers (PBDEs) face increasing restrictions worldwide, several alternate flame retardants are expected to see increased use as replacement compounds in consumer products. Chemical analysis of biosolids collected from wastewater treatment plants (WWTPs) can help determine whether these flame retardants are migrating from the indoor environment to the outdoor environment, where little is known about their ultimate fate and effects. The objective of this study was to measure concentrations of a suite of flame retardants, and the antimicrobial compound triclosan, in opportunistic samples of municipal biosolids and the domestic sludge Standard Reference Material (SRM) 2781. Grab samples of biosolids were collected from two WWTPs in North Carolina and two in California. Biosolids samples were also obtained during three subsequent collection events at one of the North Carolina WWTPs to evaluate fluctuations in contaminant levels within a given facility over a period of three years. The biosolids and SRM 2781 were analyzed for PBDEs, hexabromobenzene (HBB), 1,2-bis(2,4,6-tribromophenoxy)ethane (BTBPE), 2-ethylhexyl 2,3,4,5-tetrabromobenzoate (TBB), di(2-ethylhexyl)-2,3,4,5-tetrabromophthalate (TBPH), the chlorinated flame retardant Dechlorane Plus (syn- and anti-isomers), and the antimicrobial agent 5-chloro-2-(2,4-dichlorophenoxy)phenol (triclosan). PBDEs were detected in every sample analyzed, and ΣPBDE concentrations ranged from 1750 to 6358ng/g dry weight. Additionally, the PBDE replacement chemicals TBB and TBPH were detected at concentrations ranging from 120 to 3749 ng/g dry weight and from 206 to 1631 ng/g dry weight, respectively. Triclosan concentrations ranged from 490 to 13,866 ng/g dry weight. The detection of these contaminants of emerging concern in biosolids suggests that these chemicals have the potential to migrate out of consumer products and enter the outdoor environment.},\n\tjournal = {Environment international},\n\tauthor = {Davis, Elizabeth F and Klosterhaus, Susan L and Stapleton, Heather M},\n\tmonth = apr,\n\tyear = {2012},\n\tpmid = {22280921},\n\tkeywords = {Anti-Infective Agents, Chemical, Chemical: analysis, Environmental Monitoring, Flame Retardants: analysis, Flame retardants, Fluid, Halogenated Diphenyl Ethers, Halogenated Diphenyl Ethers: analysis, Local, Local: analysis, North Carolina, Sewage, Sewage: chemistry, Triclosan, Triclosan: analysis, Waste Disposal, Water Pollutants, california},\n\tpages = {1--7}\n}\n\n","author_short":["Davis, E. F","Klosterhaus, S. L","Stapleton, H. 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