충청남도 산업단지 인근지역 주민의 생체시료 중 중금속 농도평가
Exposure Assessment of Heavy Metals using Exposure Biomarkers among Residents Living Near a Chungcheongnam-do Province Industrial Complex Area
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참고문헌
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초록
Objectives: This study was designed to assess the level of physical exposure to heavy metals among residentswho live around a Chungcheongnam-do Province industrial complex and to provide baseline data on the effectsand harms of heavy metals on the human body by comparing their exposure levels to those of people fromcontrol regions. Methods: We measured blood lead and cadmium levels and urine mercury and chromium levels and conducteda survey among 559 residents from the affected area and 347 residents of other areas. Results: Blood lead and cadmium levels and urine mercury levels were significantly higher in the case regionthan among those in the control region (p=0.013, p<0.001, p<0.001, respectively). In the thermoelectric powerplant area, blood cadmium and urine mercury levels were significantly higher than in the control region(p<0.001, p<0.001, respectively). In the steel mill and petrochemical industry areas, blood cadmium level wassignificantly higher than that in the control region (p<0.001). Dividing groups by the reference level of bloodcadmium (2 μg/L), the odds ratios between the case and control regions were 2.56 (95% CI=1.83-3.58), 3.11(95% CI=2.06-4.71) for the thermoelectric power plant area, 1.78 (95% CI=1.19-2.65) for the steel mill area and4.07 (95% CI=2.40-6.89) for petrochemical industry area. Conclusion: This study showed that the levels of exposure to heavy metals among residents living near aChungcheongnam-do Province industrial complex were significantly higher than those in the control region. Thisseems to be attributable to exposure to heavy metals emissions from the industrial complex. Further research andsafety measures are required to protect residents’ health.
Abstract
Objectives: This study was designed to assess the level of physical exposure to heavy metals among residentswho live around a Chungcheongnam-do Province industrial complex and to provide baseline data on the effectsand harms of heavy metals on the human body by comparing their exposure levels to those of people fromcontrol regions. Methods: We measured blood lead and cadmium levels and urine mercury and chromium levels and conducteda survey among 559 residents from the affected area and 347 residents of other areas. Results: Blood lead and cadmium levels and urine mercury levels were significantly higher in the case regionthan among those in the control region (p=0.013, p<0.001, p<0.001, respectively). In the thermoelectric powerplant area, blood cadmium and urine mercury levels were significantly higher than in the control region(p<0.001, p<0.001, respectively). In the steel mill and petrochemical industry areas, blood cadmium level wassignificantly higher than that in the control region (p<0.001). Dividing groups by the reference level of bloodcadmium (2 μg/L), the odds ratios between the case and control regions were 2.56 (95% CI=1.83-3.58), 3.11(95% CI=2.06-4.71) for the thermoelectric power plant area, 1.78 (95% CI=1.19-2.65) for the steel mill area and4.07 (95% CI=2.40-6.89) for petrochemical industry area. Conclusion: This study showed that the levels of exposure to heavy metals among residents living near aChungcheongnam-do Province industrial complex were significantly higher than those in the control region. Thisseems to be attributable to exposure to heavy metals emissions from the industrial complex. Further research andsafety measures are required to protect residents’ health.
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