Organic Compounds Adsorbed on Particles and Settled House Dust

Ayoko, Godwin A.; Uhde, Erik

doi:10.1002/9783527610013.ch3a

Cited by 5 publications

(5 citation statements)

References 51 publications

(89 reference statements)

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“…The vapor pressure of the anionic form of PFOA is assumed as negligible . The lower the vapor pressure of a compound, the higher the tendency to adsorb to surfaces and particles . Assuming that the vapor pressure is negligible for all anionic conjugate bases of PFCAs and considering that the vapor pressure decreases with increasing chain-length, PFCAs should be found attached to particles rather than in the gas phase. ,, PFCAs might be released as impurities from textile finishes that are based on fluorinated polymers both associated with particles or unassociated followed by a rapid adsorption to particles .…”

Section: Results and Discussionmentioning

confidence: 99%

“…Settled dust is a heterogeneous material containing varying percentages of inorganic and organic material and particle sizes ranging from a few μm to several mm. The presence of organic pollutants in settled dust strongly depends on the composition of the dust samples, leading to a reduced comparability among samples . Additionally, the comparability among studies may be reduced when a sieving process is conducted.…”

Section: Results and Discussionmentioning

confidence: 99%

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Emissions of Per- and Polyfluoroalkyl Substances in a Textile Manufacturing Plant in China and Their Relevance for Workers’ Exposure

Heydebreck

Tang

Xie

et al. 2016

Environ. Sci. Technol.

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ABSTRACT:The manufacturing of high-performance fabrics requires numerous chemical treatment steps that involve the use of per-and polyfluoroalkyl substances (PFASs) to protect apparel against water, stain, and oil penetration. However, air and wastewater emissions of PFASs generated during this manufacturing are a potential threat to both factory workers and the environment. We investigated the occurrence and distribution of PFASs in wastewater, air, airborne particles, and settled dust in a textile manufacturing plant in China. PFOA and PFDA or their precursor compounds 8:2 FTOH and 10:2 FTOH were the dominant compounds in all environmental media tested, revealing that long-chain PFASs were preferably used for the manufacturing of functional garments. Besides, PFASs were detected along the textile manufacturing chain, indicating that they were used as durable water repellents and as surfactants in, for example, coating agents. The workers' exposure to FTOHs via air inhalation was up to 5 orders of magnitude higher than the background exposure of the general western population. To the best of our knowledge, this is the first study providing information regarding the emission of PFASs during the manufacturing of textiles via various environmental media.

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Section: Results and Discussionmentioning

confidence: 99%

Section: Results and Discussionmentioning

confidence: 99%

Emissions of Per- and Polyfluoroalkyl Substances in a Textile Manufacturing Plant in China and Their Relevance for Workers’ Exposure

Heydebreck

Tang

Xie

et al. 2016

Environ. Sci. Technol.

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“…Most phthalate and phosphate esters are semi‐volatile organic compounds (SVOC) (Wensing et al., 2005). These substances are known to adsorb to solids, such as airborne particles and settled dust, and to partition between gaseous and particulate phases (Weschler et al., 2008b; Ayoko and Uhde, 2003). The dynamic distribution between dust and air means that it is important to evaluate their levels in dust as well as in air to assess overall inhalation and dermal exposure in indoor environments.…”

Section: Introductionmentioning

confidence: 99%

Organophosphate and phthalate esters in air and settled dust - a multi-location indoor study

et al. 2010

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Organophosphate esters and phthalate esters are commonly used as additives in numerous building materials and consumer products. The use of these compounds is increasing, and phosphate and phthalate esters are to be regarded as ubiquitous contaminants in the indoor environment. These compounds comprise a number of different compounds that have been associated with biologic effects in animal studies as well as in humans. Thus, it is of concern to increase the knowledge about human exposure of these compounds because of their presence in indoor air. In this paper, thirty indoor environments have been surveyed with respect to seventeen of the most abundant of these compounds.

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“…Indoor n -alkanoic acids, C 14 –C 29 , exhibited a year-long strong even carbon preference, with an annual average CPI of 6.62 ± 0.55 and limited monthly variation. Carbon number maxima occurred at C 16 and C 14 (SI Table S4), which are commonly found indoors and associated with human skin surface lipids . These findings are indicative of the consistent biogenic source of these n -fatty acids such as waxes used in painting the “Last Supper” and skin emissions, as aforementioned.…”

Section: Resultsmentioning

confidence: 64%

“…However, given that cooking is prohibited inside the refectory, the most probable source is biogenic material potentially emitted from waxes. , Emissions from skin surface lipids of visitors are also a likely source of oleic acid . These fatty acids are ubiquitous indoors and may be sorbed to indoor airborne particles or also settled dust that is subsequently resuspended by human/cleaning activities. Tributyl phosphate, a phosphate ester used in plasticizers and flame retardants, persistently displayed I/O ratios exceeding unity, thereby indicating its indoor source, most likely wall or ceiling paint.…”

Section: Resultsmentioning

confidence: 99%

Chemical Characterization and Source Apportionment of Fine and Coarse Particulate Matter Inside the Refectory of Santa Maria Delle Grazie Church, Home of Leonardo Da Vinci’s “Last Supper”

Daher

Ruprecht²,

Invernizzi³

et al. 2011

Environ. Sci. Technol.

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The association between exposure to indoor particulate matter (PM) and damage to cultural assets has been of primary relevance to museum conservators. PM-induced damage to the "Last Supper" painting, one of Leonardo da Vinci's most famous artworks, has been a major concern, given the location of this masterpiece inside a refectory in the city center of Milan, one of Europe's most polluted cities. To assess this risk, a one-year sampling campaign was conducted at indoor and outdoor sites of the painting's location, where time-integrated fine and coarse PM (PM(2.5) and PM(2.5-10)) samples were simultaneously collected. Findings showed that PM(2.5) and PM(2.5-10) concentrations were reduced indoors by 88 and 94% on a yearly average basis, respectively. This large reduction is mainly attributed to the efficacy of the deployed ventilation system in removing particles. Furthermore, PM(2.5) dominated indoor particle levels, with organic matter as the most abundant species. Next, the chemical mass balance model was applied to apportion primary and secondary sources to monthly indoor fine organic carbon (OC) and PM mass. Results revealed that gasoline vehicles, urban soil, and wood-smoke only contributed to an annual average of 11.2 ± 3.7% of OC mass. Tracers for these major sources had minimal infiltration factors. On the other hand, fatty acids and squalane had high indoor-to-outdoor concentration ratios with fatty acids showing a good correlation with indoor OC, implying a common indoor source.

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Organic Compounds Adsorbed on Particles and Settled House Dust

Cited by 5 publications

References 51 publications

Emissions of Per- and Polyfluoroalkyl Substances in a Textile Manufacturing Plant in China and Their Relevance for Workers’ Exposure

Emissions of Per- and Polyfluoroalkyl Substances in a Textile Manufacturing Plant in China and Their Relevance for Workers’ Exposure

Organophosphate and phthalate esters in air and settled dust - a multi-location indoor study

Chemical Characterization and Source Apportionment of Fine and Coarse Particulate Matter Inside the Refectory of Santa Maria Delle Grazie Church, Home of Leonardo Da Vinci’s “Last Supper”

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