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Evaluation of a Low-Cost Aerosol Sensor to Assess Dust Concentrations in a Swine Building.

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Title: Evaluation of a Low-Cost Aerosol Sensor to Assess Dust Concentrations in a Swine Building.
Authors: Jones, Samuel1, Anthony, T. Renée1, Sousan, Sinan1, Altmaier, Ralph1, Jae Hong Park1, Peters, Thomas M.1 thomas-m-peters@uiowa.edu
Source: Annals of Occupational Hygiene. Jun2016, Vol. 60 Issue 5, p597-607. 11p.
Subjects: Environmental monitoring equipment, Indoor air pollution, Agriculture, Air pollution, Statistical correlation, Dust, Environmental monitoring, Photometry, Regression analysis, Swine, Occupational hazards, Environmental exposure, Relative medical risk
Abstract: Exposure to dust is a known occupational hazard in the swine industry, although efforts to measure exposures are labor intensive and costly. In this study, we evaluated a Dylos DC 1100 as a low-cost (~$200) alternative to assess respirable dust concentrations in a swine building in winter. Dust concentrations were measured with collocated monitors (Dylos DC1100; an aerosol photometer, the pDR-1200; and a respirable sampler analyzed gravimetrically) placed in two locations within a swine farrowing building in winter for 18-24-h periods. The particle number concentrations measured with the DC 1100 were converted to mass concentration using two methods: Physical Property Method and Regression Method. Raw number concentrations from the DC1100 were highly correlated to mass concentrations measured with the pDR-1200 with a coefficient of determination (R2) of 0.85, indicating that the two monitors respond similarly to respirable dust in this environment. Both methods of converting DC1100 number concentrations to mass concentrations yielded strong linear relationships relative to that measured with the pDR-1200 (Physical Property Method: slope = 1.03, R² = 0.72; Regression Method: slope = 0.72, R² = 0.73) and relative to that measured gravimetrically (Physical Property Method: slope = 1.08, R² = 0.64; Regression Method: slope = 0.75, R² = 0.62). The DC1100 can be used as a reasonable indicator of respirable mass concentrations within a CAFO and may have broader applicability to other agricultural and industrial settings. [ABSTRACT FROM AUTHOR]
Copyright of Annals of Occupational Hygiene is the property of Oxford University Press / USA and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Evaluation of a Low-Cost Aerosol Sensor to Assess Dust Concentrations in a Swine Building.
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  Data: Exposure to dust is a known occupational hazard in the swine industry, although efforts to measure exposures are labor intensive and costly. In this study, we evaluated a Dylos DC 1100 as a low-cost (~$200) alternative to assess respirable dust concentrations in a swine building in winter. Dust concentrations were measured with collocated monitors (Dylos DC1100; an aerosol photometer, the pDR-1200; and a respirable sampler analyzed gravimetrically) placed in two locations within a swine farrowing building in winter for 18-24-h periods. The particle number concentrations measured with the DC 1100 were converted to mass concentration using two methods: Physical Property Method and Regression Method. Raw number concentrations from the DC1100 were highly correlated to mass concentrations measured with the pDR-1200 with a coefficient of determination (R2) of 0.85, indicating that the two monitors respond similarly to respirable dust in this environment. Both methods of converting DC1100 number concentrations to mass concentrations yielded strong linear relationships relative to that measured with the pDR-1200 (Physical Property Method: slope = 1.03, R² = 0.72; Regression Method: slope = 0.72, R² = 0.73) and relative to that measured gravimetrically (Physical Property Method: slope = 1.08, R² = 0.64; Regression Method: slope = 0.75, R² = 0.62). The DC1100 can be used as a reasonable indicator of respirable mass concentrations within a CAFO and may have broader applicability to other agricultural and industrial settings. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
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  Data: <i>Copyright of Annals of Occupational Hygiene is the property of Oxford University Press / USA and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1093/annhyg/mew009
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        Text: English
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        PageCount: 11
        StartPage: 597
    Subjects:
      – SubjectFull: Environmental monitoring equipment
        Type: general
      – SubjectFull: Indoor air pollution
        Type: general
      – SubjectFull: Agriculture
        Type: general
      – SubjectFull: Air pollution
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      – SubjectFull: Statistical correlation
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      – SubjectFull: Dust
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      – SubjectFull: Environmental monitoring
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      – SubjectFull: Photometry
        Type: general
      – SubjectFull: Regression analysis
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      – SubjectFull: Swine
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      – TitleFull: Evaluation of a Low-Cost Aerosol Sensor to Assess Dust Concentrations in a Swine Building.
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              Text: Jun2016
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