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首页> 外文会议>Annual conference of the International Society of Exposure Science >HEALTH RISK ASSESSMENT OF CHILDREN IN THE ENVIRONMENTALLY ENDANGERED AREA OF KARDZHALI FOR THE PERIOD 1991-2013
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HEALTH RISK ASSESSMENT OF CHILDREN IN THE ENVIRONMENTALLY ENDANGERED AREA OF KARDZHALI FOR THE PERIOD 1991-2013

机译：1991-2013年期间喀尔扎里州生态环境恶化地区儿童的健康风险评估

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Background More than 55 years of Kardzhali is environmentally risky area in Bulgaria due to intense pollution from mining-processing, metallurgical industry and processing of non-metallic minerals. The main source of pollution in those years is OCK-AO (Lead and Zinc Complex), but from 2011 to 2012 was gradually stopped respectively lead and zinc production. One of the mechanisms to assess the health risk among the population is to conduct biological monitoring, ie making biological materials to determine the concentration of heavy metals in them. The most vulnerable group are children. Aims The aim of this study is to benchmark the results of the biological monitoring of children aged 9 to 14 years in the city of Kardzhali for the period 1991-2013. Methods Biological monitoring includes determination of lead in the blood of 356 children from two schools in the city of Kardzhali (located near and far away from OCK-AD) and one in Krumovgrad (for control). Results According to the individual results for the period 1991-2002, when OCK has worked, in 71% of the children in Kardzhali values of lead in the blood are below 100 μg/l, in 24% between 100 and 200 μg/l and in 5% over 200 μg/l. In 2013, when the company ceased operation in 92% of surveyed children the levels of lead in the blood is below 100 μg/l, in 7% from 100 to 200 μg/l and in 1% above 200 μg/l. Conclusions The results indicate a link between air pollution with lead aerosols and the level of lead in the blood of children: - In the intensive work of the plant during 1991-2002 years in 29% of children amounts of lead in the blood is above 100 μg/l; - In 2013 (when closed proceedings) only 8% of children are with lead content in the blood of more than 100 μg/l; -The blood of the children in the control group demonstrated no lead content at 100% of children.
机译：背景技术由于采矿加工，冶金工业和非金属矿物加工产生的严重污染，保加利亚超过55年的卡德扎里（Kardzhali）地带是具有环境风险的地区。那些年的主要污染源是OCK-AO（铅锌复合物），但从2011年到2012年逐渐停止了铅和锌的生产。评估人群健康风险的机制之一是进行生物监测，即制作生物材料以确定其中的重金属浓度。最弱势的群体是儿童。目的本研究的目的是对1991-2013年期间在克尔贾利市（Kardzhali）进行的9至14岁儿童的生物监测结果进行基准测试。方法生物监测包括测定Kardzhali市两所学校（靠近和远离OCK-AD）和Krumovgrad中一所学校（用于控制）的356名儿童的血铅。结果根据OCK工作的1991-2002年期间的个人结果，在Kardzhali的儿童中，有71％的儿童血液中铅的含量低于100μg/ l，在100至200μg/ l之间的占24％。超过200μg/ l的5％。 2013年，当该公司停止对92％的被调查儿童进行操作时，血液中的铅含量低于100μg/ l，7％从100至200μg/ l，超过1％高于200μg/ l。结论结果表明，气溶胶中的铅污染与儿童血液中铅的含量之间存在联系：-在1991-2002年间工厂的密集工作中，有29％的儿童血液中铅的含量超过100微克/升; -2013年（非公开程序中），只有8％的儿童血液中铅含量超过100μg/ l; -对照组儿童的血液在100％的儿童中无铅含量。

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