Recently, media coverages of the asbestos were gradually increased. In fact, serious problems have been found in asbestos removal. This study was performed against 375 workers from 30 asbestos removal firms from August 7 to December 10, 2010 in order to find out work conditions for asbestos removal. Then, the following results were obtained:
In terms of area, Seoul/Gyeonggi was the highest with 218 workers (58.1%). In terms of age, '41-50' was the highest among 140 workers (37.3%). The mean age was 50.3. When asked if they smoke cigarette, 272 respondents (72.5%) said 'YES.' When asked how many cigarettes they smoke a day, 11-20 (190 workers, 73.2%) was the highest, followed by 10 or less (43, 15.8%) and 'a pack or more (30, 11.0%).' In terms of average off-days per year, '1 month or less (257 workers, 68.5%)' was the highest, followed by '1-3 month(s) (77 workers, 20.5%)' and '3 months or more (41 workers, 10.9%).' In terms of annual income, 'KRW 10-20 million' was the highest with 162 workers (43.2%). No one was able to earn more than KRW 50 million. In terms of the workers' knowledge of the danger of asbestos, when asked if they were aware that asbestos can cause lung cancer, 348 respondents (92.8%) answered 'YES' while 7 workers (1.9%) said 'I am Not Sure.' According to multi-response analysis on protective clothing and gear, 369 respondents (98.9%) put on 'dust respirator' while 364 workers (97.6%) wore 'helmet.' In addition, 220 respondents (59.0%) answered that they wore 'protective clothing.' When asked how the protective clothing and gear were handled after use, 'seal them up in a designated bag and have them disposed of properly' was the response that has the highest percentage (360 respondents, 96.0%). The questionnaire consisted of 13 questions. Cronbach's alpha, which was performed to assess the reliability of the survey, was 0.858.

원자력시설 유지보수 및 해체시 다관절 매니퓰레이터 이상동작에 대한 작업자의 반응특성과 안전속도 수준을 다루고 있다. 매니퓰레이터 팔의 속도, 오류 가능성, 오류 형태와 같은 여러 가지 작업 조건에 따 라 작업자의 반응시간, 고장 경보(false alarm), 실패(miss) 횟수 등에 대한 작업자의 반응 특성을 분석하 였다. 매니퓰레이터 팔의 속도와 이상동작 형태는 반응시간에 영향을 주지만, 이상동작 가능성에 영향을 미치지 않았고, 두 요인 이상의 교호작용은 대체로 영향이 없었다. 매니퓰레이터 팔의 속도변화에 따른 반응시간 특성은 이상동작 형태에 따라 다르지만 대체로 약간 증가하는 추세를 보였다.