Quality Control of Diphenyl oxide. In 2019.0 ENVIRON SCI-PROC IMP published article about PERSISTENT ORGANIC POLLUTANTS; POLYCHLORINATED-BIPHENYLS; POTENTIAL SOURCES; SEASONAL TRENDS; AMBIENT AIR; SAMPLERS; PCBS; ATMOSPHERE; CALIBRATION; PBDES in [Kalina, Jiri; White, Kevin B.; Scheringer, Martin; Pribylova, Petra; Kukucka, Petr; Audy, Ondrej; Klanova, Jana] Masaryk Univ, Fac Sci, RECETOX Ctr, Kamenice 753-5, Brno 62500, Czech Republic; [Scheringer, Martin] Swiss Fed Inst Technol, Inst Biogeochem & Pollutant Dynam, CH-8092 Zurich, Switzerland in 2019.0, Cited 52.0. The Name is Diphenyl oxide. Through research, I have a further understanding and discovery of 101-84-8.
The comparability of data from active (ACT) and passive sampling (PAS) of persistent organic pollutants (POPs) in air is hindered by uncertainties related to the derivation of sampling rates and concentrations, as well as differences in the duration, volume and frequency of sampling. Although data from ACT have been used extensively in short-term PAS calibration studies, no attempts have been made to evaluate the comparability of long-term trends calculated from PAS to established ACT trends. This is crucial, as continuous long-term ACT is unfeasible in most regions of the world. To address these challenges, we calculated and compared trends for organochlorine pesticides (OCPs), polychlorinated biphenyls (PCBs) and polybrominated diphenyl ethers (PBDEs) at the six sites in Europe with at least 5 years of co-located ACT and PAS data (2012-2016): Birkenes, Kosetice, Pallas, Rao, Storhofoi and Zeppelin. Strong agreement of ACT and PAS trends was observed for most OCPs and PCBs. Apart from two PCBs at Storhofoi, all pairs of ACT and PAS trends followed the same direction. However, differences in the magnitude, significance and confidence intervals of their slopes were observed for some compounds and were primarily attributed to the short duration of the PAS time series. Despite some limitations, our results suggest that the comparability of ACT and PAS POP trends will continue to improve with additional years of data. This study confirms the suitability of PAS for the calculation of long-term POP trends in air, and highlights the importance of continuous sampling at established monitoring sites with consistent analytical methods.
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