Sea-air exchange of bromoanisoles and methoxylated bromodiphenyl ethers in the Northern Baltic

Bidleman, Terry F.; Agosta, Kathleen; Andersson, Agneta; Haglund, Peter; Liljelind, Per; Hegmans, Alyse; Jantunen, Liisa M.; Nygren, Olle; Poole, Justen J.; Ripszám, Mátyás; Tysklind, Mats

doi:10.1016/j.marpolbul.2016.08.042

Cited by 20 publications

(31 citation statements)

References 66 publications

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“…Kim et al (2014) reported a higher mean concentration (6.9 pg m −3 ) in atmospheric particle samples from Busan (South Korea). On the other side, Bidleman et al (2016) determined comparable levels (mean of 0.03 pg m −3 ) in Island Holmön (Northern Baltic) (Table 1). It is worth noting that the comparison of the HBCDD, NHFR and MeO-BDE concentrations recorded in this study with those reported in literature must be taken with caution, as the meteorological conditions, the number of samples collected, and the number of compounds analysed may not be the same.…”

Section: Methoxylated Bromodiphenyl Ethersmentioning

confidence: 74%

Halogenated flame retardants in atmospheric particles from a North African coastal city (Bizerte, Tunisia): Pollution characteristics and human exposure

Barhoumi

Tedetti

Peris

et al. 2020

Atmospheric Pollution Research

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In the present study, atmospheric particle samples were collected between September 2015 and February 2016 from Bizerte city (Tunisia) to investigate the occurrence, potential sources and impacts of a range of flame retardants (FRs), including hexabromocyclododecane diastereoisomers (HBCDDs), new halogenated flame retardants (NHFRs), as well as methoxylated polybrominated diphenyl ethers (MeO-BDEs). Among 19 examined compounds, 9 congeners (α-HBCDD, β-HBCDD, γ-HBCDD, HBB, DBDPE, syn-DP, anti-DP, 2′-MeO-BDE-68 and 6-MeO-BDE-47) were detected in atmospheric particles at different levels and frequencies. Overall, the average concentration of NHFRs (1.53 pg m −3) was 1.5 and 51 folds higher than that of HBCDDs (1.04 pg m −3) and MeO-BDEs (0.03 pg m −3), respectively. By comparison with other areas of the world, NHFRs and HBCDDs in Bizerte were at medium pollution level, while MeO-BDEs were at lower levels. No significant correlations were found between NHFR, HBCDD and MeO-BDE concentrations, suggesting different sources related on one hand to the biogenic origin of MeO-BDE, and on the other hand to various types and utilisations of imported NHFR-and HBCDD-containing products, as Tunisia does not manufacture FRs. DP and HBCDD diastereoisomer profiles appeared to be divergent from their commercial products, pointing out that a complex degradation or stereoselective transformation processes occurring in ambient air around Bizerte city. The estimated daily human exposure dose (DED) to particle-bound HBCDDs, NHFRs and MeO-BDEs via outdoor air inhalation was generally at low levels. Hence, this study reports for the first time the occurrence and potential impact of HBCDDs, NHFRs and MeO-BDEs in atmospheric particles from North Africa.

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Section: Methoxylated Bromodiphenyl Ethersmentioning

confidence: 74%

Halogenated flame retardants in atmospheric particles from a North African coastal city (Bizerte, Tunisia): Pollution characteristics and human exposure

Barhoumi

Tedetti

Peris

et al. 2020

Atmospheric Pollution Research

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“…The two tribromo-MeO-BDEs appear to be the same ones previously identied in Baltic water and air samples. 34 Pentabromo-MeO-BDEs showed poor response by GC-LRMS, but three compounds were identied in some selected macroalgae species by HRMS using authentic standards: 6-MeO-BDE85, 6-MeO-BDE90 and 6-MeO-BDE99; 2-MeO-BDE123 was also sought but not found. Due to poor performance of the CB54 internal standard in GC-HRMS runs, semiquantitative results for pentabromo-MeO-BDEs were estimated without use of an internal standard and assuming a 200 mL sample volume.…”

Section: Resultsmentioning

confidence: 98%

“…Temperatures, oven programs and monitored ions were previously described. 34,35 Qualitative conrmation of tribromo-and tetrabromo-MeO-BDEs and identication of pentabromo-MeO-BDEs was done for nine macroalgae species by GC-high resolution mass spectrometry (GC-HRMS), as previously described. 34 Analytical standards included 2,4-, 2,5-, 2,6-, and 3,5-diBAs, 2,4,6-triBA, 2 0 -methoxy-2,4,4 0 -tribromodiphenyl ether (2 0 -MeO-BDE28),…”

Section: Extraction and Analytical Methodsmentioning

confidence: 99%

Bromoanisoles and methoxylated bromodiphenyl ethers in macroalgae from Nordic coastal regions

Bidleman

Andersson

Brügel

et al. 2019

Environ. Sci.: Processes Impacts

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“…Fugacity fractions, which were calculated according to Equations below (Bidleman et al., 2016), were used to describe the directions of air‐water exchange fluxes.

f_{water} = C_{water} H

f_{air} = C_{air} R T

F R = \frac{f_{water}}{f_{air}}

…”

Section: Methodsmentioning

confidence: 99%

Air‐Water Exchange and Gas‐Particle Partitioning of Polycyclic Aromatic Hydrocarbons (PAHs) in Coral Reef Areas of the South China Sea

et al. 2021

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In this study, we collected gas, particulate, and surface water‐dissolved phase samples from 16 sites in the South China Sea from March 21 to April 12, 2018. Thereafter, all the samples were analyzed for the air‐water exchange and source apportionment of polycyclic aromatic hydrocarbons (PAHs). Thus, it was observed that the overall PAH concentrations in the water and gas phases were 8.0 ± 5.5 ng/L and 41.3 ± 24.7 ng/m3, respectively. Back trajectory simulation showed that the air masses in the South China Sea primarily originated from mainland China during the heating period, and air‐water exchange analysis showed net deposition from air to water, with fluxes ranging from −5.53 to −89.72 ng/m2/d. Further, the logarithmic gas‐particle partitioning coefficient (logKp) of the PAHs regressed linearly with the logarithmic subcooled liquid vapor pressure (log P0 L), with an average slope of −0.3 ± 0.13.

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Sea-air exchange of bromoanisoles and methoxylated bromodiphenyl ethers in the Northern Baltic

Cited by 20 publications

References 66 publications

Halogenated flame retardants in atmospheric particles from a North African coastal city (Bizerte, Tunisia): Pollution characteristics and human exposure

Halogenated flame retardants in atmospheric particles from a North African coastal city (Bizerte, Tunisia): Pollution characteristics and human exposure

Bromoanisoles and methoxylated bromodiphenyl ethers in macroalgae from Nordic coastal regions

Air‐Water Exchange and Gas‐Particle Partitioning of Polycyclic Aromatic Hydrocarbons (PAHs) in Coral Reef Areas of the South China Sea

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