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KMID : 1039220230330030284
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Journal of Korean Society of Occupational and Environmental Hygiene
2023 Volume.33 No. 3 p.284 ~ p.290
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Assessing Dust and Crystalline Silica Exposures among Workers in Some Quarries in Korea
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Cha Won-Seok
Kim Eun-Young
Choi Sung-Won
Kim Mi-Yeon
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Abstract
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Objectives: Work environment assessments were conducted to investigate epidemiologically several cases of lung cancer and COPD (chronic obstructive pulmonary disease) among workers in domestic quarries.
Methods: We visited three quarries in South Korea where an epidemiological investigation was requested and measured total dust, respirable dust, and crystalline silica on rock drilling workers (4 people) and rock chipping workers (13 people). Measurement and analysis were conducted according to NIOSH (National Institute for Occupational Safety & Health) method 0500, NIOSH method 0600 for respirable dust, and NIOSH method 7500 for crystalline silica.
Results: Among rock drilling workers the AMs (arithmetic mean) of total dust concentrations, respirable dust concentrations, and crystalline silica concentrations were 3.462 ㎎/㎥ (range: 0.764~6.085 ㎎/㎥), 0.613 ㎎/㎥ (range: 0.153~1.251 ㎎/㎥), and 0.105 mg/㎥ (range: 0.012~0.228 mg/㎥), respectively. Among rock chipping workers, the AMs of total dust concentrations, respirable dust concentrations, and crystalline silica concentrations were 2.446 ㎎/㎥ (range: 0.156~8.494 ㎎/㎥), 0.488 mg/㎥ (range: 0.028~1.536 mg/㎥), and 0.099 mg/㎥ (range: 0.004~0.274 mg/㎥), respectively.
Conclusions: Although it cannot be said that the dust concentrations were high for both rock drilling workers and rock chipping workers, the concentrations of crystalline silica were found to be high. If such work is performed for a long period of time, diseases such as lung cancer and COPD may occur, so the work environment needs to be improved.
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KEYWORD
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Quarry, Dust Exposure, Crystalline silica, Lung cancer, COPD
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