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구미 불산 누출사고 지점 주변 식물의 불소화합물 농도 분포 및 공기 중 불화수소 농도 추정에 관한 연구
구슬기,최인자,김원,선옥남,김신범,이윤근,Gu, Seulgi,Choi, Inja,Kim, Won,Sun, Oknam,Kim, Shinbum,Lee, Yungeun 한국환경보건학회 2013 한국환경보건학회지 Vol.39 No.4
Objectives: The goal of this study is to identify the distribution of the foliar fluorine content of vegetation surrounding the area where hydrofluoric acid was accidently released in Gumi, Gyeongsangbuk-do on September 27, 2012. In addition, it also aims to estimate the concentration of hydrogen fluoride in the air on the day of the accident. Methods: Samples of plant leaves were collected on October 7, 2012 within 1 km from the site where the accident occurred. These samples were analyzed for soluble fluorine ion with an ion selective electrode. The ambient concentration of hydrogen fluoride was calculated using the fluoride content in the plant via the dose-rate equation (${\Delta}F$=KCT). Results: The arithmetic and geometric means of the concentrations were 2158.2 and 1183.7mg F $kg^{-1}$ for leaves and, 2.4 and 1.1 ppm HF for the air, respectively. The highest concentration of hydrogen fluoride in the air was 14.7 ppm, which is higher than the maximum concentration reported by the government (1 ppm) and the exposure limit (ceiling, 3 ppm). The concentrations of both fluorine and hydrogen fluoride decreased with increasing distance from the accident site and showed a significant decrease outside of a 500m radius from the site (p <0.05). Conclusions: The area around the accident site was highly polluted with hydrogen fluoride according to the results of this study. Considering the persistency of hydrogen fluoride in the environment, long-term monitoring and environmental impact assessment should be pursued.
임지애,권호장,김신범,최영은,구슬기,정회성,김명한,최경호,Lim, Ji-Ae,Kwon, Ho-Jang,Kim, Shinbum,Chou, Youngeun,Gu, Seulgi,Jeong, Hoi-Seong,Kim, Myung Han,Choi, Kyungho 한국환경보건학회 2014 한국환경보건학회지 Vol.40 No.5
Objectives: The purpose of this study is to introduce the establishment process and results of the Seoul Metropolitan Government's road map on environmental health policy. Methods: The process consisted of expert group meetings, civic participation, research, and questionnaire survey for priority environmental health policy agenda items in Seoul. Results: The announced vision for the environmental health policy was "a healthy environment, safety in Seoul". This policy was established in order to define environment health policy initiatives for a period of five years with an aim to protect Seoul citizens' health from hazardous environmental factors. The resulting Seoul environmental health policy consisted of four areas and 16 key agenda items. The four areas were "Protection for children against hazardous materials", "Enhancement of health and safety of all", "Carcinogen-free and endocrine-disrupting chemical-free Seoul (reducing environmental exposure to hazardous materials), and "Establish the foundation of environmental health policy". Sixteen key agenda items include the enhancement of management of spaces for children, certification of environmental health status at schools, establishment of a unit responsible for the environmental health of children, strengthening environmental health management for susceptible populations (children, the aged, and the socioeconomically vulnerable), management of hazardous materials, physical hazardous factors (noise, radiation, etc.), indoor air quality, and the enhancement of monitoring, research, and regulation of environment health. Conclusion: The Seoul Metropolitan Government established an environmental health policy road map for a five-year period (2013-2017). To implement this environmental health policy, budget allocation, and detailed execution plans are required.
서울시 백화점 내 조리지역과 비조리지역의 입자상 물질(Ultrafine Particles, PM2.5, PM10) 노출
조혜리(Hyeri Cho),구슬기(Seulgi Gu),김정훈(Jeonghoon Kim),김샛별(Satbyul Kim),이기영(Kiyoung Lee) 한국환경보건학회 2013 한국환경보건학회지 Vol.39 No.2
Objectives: Cooking activity in indoor environments can generate particulate matter. The objective of this study was to determine the concentrations of ultrafine particles (UFP), PM2.5, and PM10 in cooking and non-cooking areas of major department stores in Seoul. Methods: Eighteen department stores in Seoul, Korea were measured for concentrations of particulate matter. Using real-time monitors, concentrations of UFP, PM2.5 and PM10 were simultaneously measured in cooking and non-cooking areas on the floor with a food court and a non-cooking floor. Results: The concentrations of UFP, PM2.5 and PM10 were significantly higher in cooking areas than in noncooking areas and non-cooking floors (p<0.05). UFP and PM2.5 were significantly correlated in cooking areas and non-cooking areas but not in non-cooking floors. PM2.5 were consisted of approximately 81% in PM10 and highly correlated with PM10 in all places. Conclusion: A higher correlation between UFP and PM2.5 was shown on cooking floor than on non-cooking floor in department stores. High levels of fine particles were caused by cooking activities at food courts. The further management of PM is needed to improve the indoor PM levels at food courts in department stores.
도시 시각정보의 생산과 유통의 통합체계 연구 : 서울시 시각정보 현황을 중심으로
백서영 ( Se Young Baek ),전기현 ( Gi Hyun Jeon ),이재원 ( Chae Lee ),구슬기 ( Seul Gi Gu ),오병근 ( Byung Keun Oh ) 디자인융복합학회 2013 디자인융복합연구 Vol.12 No.1
서울시 시각정보체계의 목표는 시각정보의 생산과 적용과정의 프로세스를 체계화하여 정보, 생산자, 사용자간의 유기적 통합을 통해 도시의 정체성을 드러내는 통합적 시스템을 구축하는 것이다. 본 연구는 먼저 도시 공공시각정보의 정의와 구성요소, 시각화의 구성, 전달형식과 방법에 대한 이론적 틀을 제시하였다. 그리고 현재 서울시 시각정보의 생산 및 유통 현황을 시각 정보의 유형에 따라 파악하고, 행정주체별 분절적 시각정보 생산에 따른 현황과 문제점을 분석하였다. 또한 사용자 여정평가를 통해 정보 사용자의 입장에서 시각정보 환경을 파악하고 시각정보 유통의 연계성을 향상시키기 위한 평가요소들을 제시하였다. 이러한 과정을 통해 사용자 중심의 시각정보의 전달의 일관성과 연계성, 통합적 관점에서 시각정보의 생산과 유통을 통합적으로 관리할 수 있는 체계의 수립을 제안하였다. The purpose of integrated systems for visual information of Seoul is systematizing the process of production and distribution of it so that the identity of Seoul can be promoted through the integrated organization among information, builder, and user. First, this study suggests an theoretical frame about the definition of urban visual information, its elements, the process of visualization, and medium. This study also analyzes the situation of production and distribution of visual information of Seoul, and finds the absence of consistency caused by administrative agencies` separative management. This study understands the real state of visual information of Seoul from user standpoint through user itinerary evaluation, and suggests an evaluation checklist for seamless distribution of visual information. Thus this study proposes to establish an effective integrated system to develop the consistency and seamlessness of production and distribution of visual information.