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Assessment of occupational exposure to gaseous peracetic acid

100%
Dugheri S., Bonari A., Pompilio I., Colpo M., Montalti M., Mucci N., Arcangeli G.
International Journal of Occupational Medicine and Environmental Health
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2018
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vol. 31
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issue 4
527-535
EN
Objectives: In order to assess short-term exposure to peracetic acid (PAA) in disinfection processes, the Authors compared 4 industrial hygiene monitoring methods to evaluate their proficiency in measuring airborne PAA concentrations. Material and Methods: An active sampling by basic silica gel impregnated with methyl p-tolyl sulfoxide (MTSO), a passive solid phase micro-extraction technique using methyl p-tolyl sulfide (MTS) as on-fiber derivatization reagent, an electrochemical direct-reading PAA monitor, and a novel visual test strip PAA detector doped with 2,2’-azino-bis (3-ethylbenzothiazoline)-6-sulfonate were evaluated and tested over the range of 0.06–16 mg/m3, using dynamically generated PAA air concentrations. Results: The linear regression analysis of linearity and accuracy showed that the 4 methods were suitable for PAA monitoring. Peracetic acid monitoring in several use applications showed that the PAA concentration (1.8 mg/m3) was immediately dangerous to life or health as proposed by the National Institute of Occupational Safety and Health, and was frequently exceeded in wastewater treatment (up to 7.33 mg/m3), and sometimes during food and beverage processes and hospital high-level disinfection operations (up to 6.8 mg/m3). Conclusions: The methods were suitable for the quick assessment of acute exposure in PAA environmental monitoring and can assist in improving safety and air quality in the workplace where this disinfectant is used. These monitoring methods allowed the evaluation of changes to work out practices to reduce PAA vapor concentrations during the operations when workers are potentially overexposed to this strong antioxidant agent. Int J Occup Med Environ Health 2018;31(4):527–535
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Wpływ zmian stężenia wybranych zanieczyszczeń powietrza na ogólny stan zdrowia dzieci i młodzieży w Bielsku-Białej

84%
Góra D.
Annales Universitatis Paedagogicae Cracoviensis Studia Geographica
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2021
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vol. 16
79-98
EN
Air pollution results in smog, acid rain, ozone hole, global warming, as well as cardiovascular and respiratory diseases and cancer, which are increasingly common in children. Children and infants are particularly vulnerable to air pollution because their immune, respiratory and central nervous systems are not yet fully developed. Compared to adults, children often spend more time outdoors, and due to their lower lung capacity, they also breathe more frequently, which means that they breathe in - much more air than adults - in relation to their body weight. The subject of the study is the impact of changes in the concentration of selected air pollutants (particulate matter PM10 and PM2.5, benzo (a) pyrene and nitrogen oxides) in Bielsko-Biała in 2010-2018 on the general health of children and adolescents in connection with meteorological conditions.
PL
Skutkiem zanieczyszczenia powietrza jest smog, kwaśne deszcze, dziura ozonowa, globalne ocieplenie a także choroby układu krążenia, układu oddechowego oraz choroby nowotworowe, częściej występują u dzieci. Dzieci i niemowlęta są szczególnie narażone na zanieczyszczenie powietrza, ponieważ ich układ odpornościowy, oddechowy i ośrodkowy układ nerwowy nie są jeszcze w pełni rozwinięte. W stosunku do dorosłych, dzieci często spędzają więcej czasu na zewnątrz pomieszczeń, a ze względu na mniejszą pojemność płuc również częściej oddychają, przez co wdychają - znacznie większą niż dorośli - ilość powietrza w stosunku do masy ich ciała. Przedmiotem pracy jest wpływ zmian stężenia wybranych zanieczyszczeń powietrza (pył zawieszony PM10 oraz PM2,5, benzo(a)piren i tlenki azotu) w Bielsku-Białej w latach 2010-2018 na ogólny stan zdrowia dzieci i młodzieży w powiązaniu z warunkami meteorologicznymi.
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