Field evaluation of two diffusive samplers and two adsorbent media to determine 1,3-butadiene and benzene levels in air

Strandberg, Bo; Sunesson, Anna-Lena; Sundgren, Margit; Levin, Jan‐Olof; Sällsten, Gerd; Barregård, Lars

doi:10.1016/j.atmosenv.2006.08.005

Cited by 33 publications

(26 citation statements)

References 14 publications

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“…The influence of humidity during sampling has also been discussed for specific compounds in different adsorbents. Studies using Carbopack X or Carbograph 5 reported no indication of lower uptakes of 1,3-butadiene and benzene with high relative humidity (60-80%) as compared to samples from a low (about 20%) humidity environment [203]. Studies using Tenax GR in combination with Carbosieve SIII as adsorbents for a number of aromatic and halogenated compounds showed comparable recoveries between tubes humidified with 49% RH and 88% RH, and the ones obtained for dry tubes [204].…”

Section: Resultsmentioning

confidence: 77%

Proton Transfer Reaction Mass Spectrometry: Applications in the Life Sciences

Gonzalez

2012

Mass Spectrometry Handbook

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Section: Resultsmentioning

confidence: 77%

Proton Transfer Reaction Mass Spectrometry: Applications in the Life Sciences

Gonzalez

2012

Mass Spectrometry Handbook

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“…The mean relative standard deviation (%MRSD) obtained for different sampling periods was in every case<6.5%. Numerous studies have thoroughly validated the use of Radiello® samplers for VOC monitoring (Pennequin-Cardinal et al 2005;Strandberg et al 2006;Plaisance et al 2008;Buzica et al 2008;Cocheo et al 2009), concluding that this method shows good agreement with the results obtained by active sampling and that it is valid for obtaining indicative measurements as regards Directive 2008/50/EC. For these reasons, we chose to set up only one sampler at each monitored level.…”

Section: Methodsmentioning

confidence: 91%

Vertical concentration gradients of volatile organic compounds in two NS-oriented street canyons

Miñarro

Terrés

Egea

et al. 2012

Environ Monit Assess

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Diffusive samplers were used to measure the vertical concentrations of benzene, toluene, n-hexane, cyclohexane, ethylbenzene and o-, m- and p-xylenes on both sides of two NS-oriented street canyons in Murcia (Spain) during a 5-day period. Non-dimensional relationships of concentration and height were calculated in order to study the behaviour of their concentration vertical profiles. The results show that the vertical profiles of benzene, toluene, n-hexane and cyclohexane concentrations were similar in both streets and on both sides of each street. Some differences were found in vertical profiles between streets and sides for ethylbenzene and xylenes, probably due to their higher affinity for adsorption into building materials. The similarities found for the first set of VOCs suggest that the dynamics of the dispersion was the same for both streets and was mainly influenced by microscale thermal effects. Finally, the concentration measurements of benzene, toluene, n-hexane, cyclohexane, and ethylbenzene were adjusted to expressions in the form c = c 0(h/h 0) A , and a regression coefficient R 2 = 0.962 (p = 0.0000) was obtained. The decreasing concentration of these compounds with height should be taken into account when assessing population exposure to these pollutants.

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“…Temperature and relative humidity could have potential impacts on the performance of the passive samplers (Strandberg et al, 2006). In the exposure chamber experiments, five batches were conducted for different temperature and four batches for different relative humidity.…”

Section: Effect Of Temperature and Humiditymentioning

confidence: 99%