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포스터발표 : 상수원 수질관리 ; 신천의 수질 개선 방안 연구(2) - 신천 유역의 환경용량 평가 분석 및 수질모델링-
정연훈 ( Yeon Hoon Jung ),정종필 ( Jong Pil Jung ),김요용 ( Yo Yong Kim ),김병록 ( Byeong Lok Kim ),정은희 ( Eun Hee Jung ),박진호 ( Jin Ho Park ),김태열 ( Tae Yeul Kim ),이현진 ( Hyun Jin Lee ),김종찬 ( Jong Chan Kim ),이수구 ( S 대한상하수도학회 2006 공동춘계 학술발표회 논문집 Vol.2006 No.-
신천의 수질 개선 방안 연구(2) - 신천 유역의 환경용량 평가 분석 및 수질모델링-
정연훈 ( Yeon Hoon Jung ),정종필 ( Jong Pil Jung ),김요용 ( Yo Yong Kim ),김병록 ( Byeong Lok Kim ),정은희 ( Eun Hee Jung ),박진호 ( Jin Ho Park ),김태열 ( Tae Yeul Kim ),이현진 ( Hyun Jin Lee ),김종찬 ( Jong Chan Kim ),이수구 ( S 한국물환경학회 2006 한국물환경학회·대한상하수도학회 공동 춘계학술발표회 Vol.2006 No.-
김영환,서형주,김진만,정연훈,문경환,Kim, Young-Hwan,Suh, Hyung-Joo,Kim, Jin-Man,Jung, Yeon-Hoon,Moon, Kyong-Whan Korean Society for Food Science of Animal Resource 2008 한국축산식품학회지 Vol.28 No.5
This study was undertaken to determine the concentrations of airborne bacteria, fungi, particles, and endotoxin in swine and chicken houses. Six swine buildings and seven chicken houses were randomly selected in southern Gyonggi Province, South Korea. The geometric mean concentrations of airborne bacteria in swine and chicken houses were $2.7{\times}10^5\;CFU/m^3$ and $5.6{\times}10^7\;CFU/m^3$, respectively. The airborne bacteria concentrations in chicken houses were significantly higher than those of swine houses (p<0.05). The geometric mean concentration of airborne fungi in swine houses was $4.9{\times}10^3\;CFU/m^3$, which was higher than the value of $2.1{\times}10^3\;CFU/m^3$ found in chicken houses. The mean concentrations of airborne particles and endotoxin in swine houses were $3.48\;mg/m^3$ and $943.1\;EU/m^3$, and they were $15.43\;mg/m^3$ and $1,430.5\;EU/m^3$ in chicken houses, respectively. A significant difference between swine and chicken houses was found for total dust (p<0.05), but not for endotoxin. In this study, the concentrations of endotoxin in both swine and chicken houses as well as particles in chicken houses were high, and in about 50% of the samples exceeded the worker health safety levels of $614\;EU/m^3$ suggested in previous studies. These results may indicate a considerable respiratory hazard for workers in these environments.