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Field evaluation of two diffusive samplers and two adsorbent media to determine 1,3-butadiene and benzene levels in air
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- Strandberg, Bo, 1960 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för medicin, avdelningen för samhällsmedicin och folkhälsa,Institute of Medicine, School of Public Health and Community Medicine
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- Sunesson, Anna-Lena (author)
- Department of Work and the Physical Environment, National Institute for Working Life, Umeå
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- Sundgren, Margit (author)
- Department of Work and the Physical Environment, National Institute for Working Life, Umeå
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- Elsevier, 2006
- 2006
- English.
- In: Atmospheric Environment. - : Elsevier. - 1352-2310 .- 1873-2844. ; 40:40, s. 7686-7695
- Journal article (peer-reviewed)
Abstract
Subject headings
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- Two types of diffusive samplers, both of which are compatible with thermal desorption, but differ in their geometry-SKC-Ultra (badge-type) and Radiello (radial symmetry-type)-were evaluated indoors and outdoors under varying temperature, humidity and wind speed conditions, using the graphitized adsorbents Carbopack X or Carbograph 5 to measure 1,3-butadiene and benzene in ambient air. The results obtained by diffusive sampling were compared with results obtained using a conventional active sampling method over both long (1 week) and shorter periods (6-24 h). Analysis and detection were performed using an automatic thermal desorber (ATD) connected to a gas chromatograph-flame ionization detector (GC/FID). Results from each sampler and adsorbent combination were examined using ordinary or multiple linear regression analysis. The overall uncertainty (OU) was also determined. In general, the results obtained with both samplers showed good agreement with those obtained by active sampling. Carbopack X appeared to be a more efficient adsorbent than Carbograph 5 for 1,3-butadiene, but the two adsorbents were equivalent for benzene. No effects of either humidity or air velocity were observed. Minor temperature effects were observed for both samplers for 1,3-butadiene. In summary, the results confirmed the accuracy of sampling rates previously determined for the two samplers and adsorbents. We consider the two samplers to be suitable for stationary and personal monitoring for the general population of 1,3-butadiene and benzene in various environments, indoors and outdoors. They are almost independent of meteorological conditions and may be suitable for monitoring industrial atmospheres.
Subject headings
- NATURVETENSKAP -- Kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences (hsv//eng)
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Meteorologi och atmosfärforskning (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Meteorology and Atmospheric Sciences (hsv//eng)
Keyword
- Air contaminants
- Diffusive samplers
- Exposure
- Monitoring
- VOCs
- Atmospheric humidity
- Benzene
- Diffusion
- Sampling
- Thermal effects
- Volatile organic compounds
- Ionization detectors
- Thermal desorption
- Air quality
- adsorption
- diffusivity
- environmental monitoring
- pollution monitoring
- volatile organic-compounds
- sorbent carbopack-x
- performance
- exposure
- smoke
Publication and Content Type
- ref (subject category)
- art (subject category)
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