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KMID : 1039220190290020159
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Journal of Korean Society of Occupational and Environmental Hygiene
2019 Volume.29 No. 2 p.159 ~ p.166
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A Comparison of PM10 Exposure Characteristics of Swine Farmers by Body Parts using Direct-reading Instrument
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Sin So-Jung
Kim Hyo-Cher
Kim Kyung-Ran
Seo Min-Tae
Park Soo-In
Kim Kyung-Min
Kim Kyung-Suk
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Abstract
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Objectives: The purpose of this study was to evaluate the personal exposure to PM10 by body parts for the development of dust monitoring wearable device for swine farmers.
Methods: Tasks were classified by using motion pictures taken by action cameras attached to swine farmers. Concentrations of PM10 were measured by attaching direct-reading instruments at the head, neck and waist of worker. Differences of PM10 exposure between body parts were analyzed with linear regression.
Results: We identified three tasks(vaccination, moving pigs, and manure treatment). PM10 concentration during vaccination was the highest among the tasks, and the body part showing the highest concentration of PM10 was the waist regardless of task. In all tasks, the closer distance between the body parts, the higher were the R-squared values(vaccination 0.4221, moving pigs 0.6990, and manure treatment 0.2164).
Conclusions: We presumed that PM10 concentrations were affected by the parts of the body in which they were measured. In order to develop swine farmer’s wearable device for monitoring dust concentration in air, the determination of the positions of monitoring sensor to ensure accurate measurement is essential. Considering the results of this study, wearable sensor should be positioned at the waist.
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KEYWORD
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exposure, PM10, swine farmer, wearable device
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