[논문]일부 밀폐형 무창계사에서 발생하는 PM10 및 엔도톡신의 특성 및 연관성 분석

김효철; 신소정; 김경수; 정원건

doi:10.15269/jksoeh.2021.31.4.331

일부 밀폐형 무창계사에서 발생하는 PM10 및 엔도톡신의 특성 및 연관성 분석
Relationship and Characteristics of PM10 and Endotoxin Concentrations in Windowless Poultry Houses in South Korea 원문보기

한국산업보건학회지 = Journal of Korean Society of Occupational and Environmental Hygiene, v.31 no.4, 2021년, pp.331 - 341

김효철 (농촌진흥청 국립농업과학원) , 신소정 (농촌진흥청 국립농업과학원) , 김경수 (농촌진흥청 국립농업과학원) , 정원건 (농촌진흥청 국립농업과학원)

Abstract ▼ AI-Helper

Objectives: The aim of this study was to evaluate the concentrations and relationships of coarse particles with a diameter of 10 ㎛ (PM10) with endotoxins according to the time of measurement in windowless poultry houses. Methods: In this study, measurement was performed on ten windowless poultry houses with a vertically integrated system from July to November. PM10 was measured using personal environmental monitors and polytetrafluoroethylene (PTFE) filters with a 4 L/min-calibrated pump in selected sampling locations (two near the door and two near an exhaust fan). The endotoxin on PTFE filter was analyzed by the LAL turbidimetric method. Results: The range of geometric mean concentrations of PM10 and endotoxins for each of the 38 samples were 0.12-3.30 mg/m3 and 11.9-3553.66 EU/m3, respectively. PM10 and endotoxin concentrations varied by farm, increasing with the decrease in ventilation. The range of the coefficient of determination between PM10 and endotoxin was 0.0009-0.9249. As the atmospheric temperature decreased, it was confirmed that the concentrations of PM10 and endotoxin increased because the volume of ventilation was decreased. Conclusions: Endotoxins were more affected by time of measurement and ventilation than PM10, which means that endotoxins could be an important indicator for intervention programs for improvement of indoor environments.

주제어

표/그림 (8)

그림 Figure 1. Layout and sampling spots of a windowless poultry house
그림 Figure 2. Sampling of PM10 and endotoxin in a windowless poultry house
표 Table 1. Characteristics of the windowless poultry houses
표 Table 2. PM10 and endotoxin concentrations in windowless poultry houses by time of measurement
그림 Figure 3. Results of regression analysis between PM₁₀ and endotoxin in the windowless poultry houses
표 Table 3. Results of Duncan tests for post-hoc with ANOVA analysis (PM₁₀, mg/m³)
표 Table 4. Results of Duncan tests for post-hoc with ANOVA analysis (endotoxin, EU/m³)
그림 Figure 3. Continued

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