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为了解我县幼托机构的污染情况,于1989年9月对涟城镇内的幼儿园进行了污染情况调查。空气污染情况用平板暴露法检测,以细菌总数<2500 cfu/m~3为合格。HBsAg污染用反向血凝试验法检验,阴性为合格。幼教人员与幼儿的手及物体表面细菌污染调查,在涂抹采样后作细菌计数培养,以细菌总数<8 cfu/m~2为合格。调查中,检测幼儿园教室的空气样本42份,合格39份,合格率为92.86％。对幼教人员与幼儿的手及物体表面采样60份检验HBsAg、结果均为阴性。检测幼教人
In order to understand the pollution situation of the kindergartens in our county, a pollution investigation was conducted on kindergartens in Liancheng Town in September 1989. Air pollution was detected by the plate exposure method, with a total bacterial count <2500 cfu / m ~ 3 as qualified. HBsAg contamination test by reverse hemagglutination test, the negative is qualified. Kindergarten children and preschool children’s hands and objects on the surface of bacterial contamination survey, smear sampling for bacterial count culture, the total number of bacteria <8 cfu / m ~ 2 as qualified. In the survey, 42 samples of air samples from kindergarten classrooms were examined, of which 39 were qualified, with a pass rate of 92.86%. For preschool children and children’s hand and object surface sampling 60 HBsAg test results were negative. Testing preschool education