Persistant organochlorines in the Hudson River watershed

哈德逊河流域的持久性有机氯

• 批准号: 6587640
• 负责人: RICHARD BOPP
• 金额: $ 8.37万
• 依托单位: ICAHN SCHOOL OF MEDICINE AT MOUNT SINAI
• 依托单位国家: 美国
• 财政年份: 2002
• 资助国家: 美国
• 起止时间: 2002-04-15 至 2003-03-31
• 项目状态: 已结题
• 来源: https://reporter.nih.gov/project-details/6587640
• 关键词: chlordane; chlorohydrocarbon; dichlorodiphenyltrichloroethane; dioxins; environmental contamination; environmental toxicology; environmental transport; fish; halobiphenyl /halotriphenyl compound; hazardous substances; industrial waste; radionuclides; soil pollution; soil sampling; water environment; water pollution

Manufacture and use of PCBs, DDT and other persistent chlorinated hydrocarbons have ceased in the United States. However, large quantities of these toxic compounds remain dispersed in the environment where their distribution and fate are imperfectly characterized. Moreover, additional PCBs and other organochlorines continue to be added to the environment, particularly to natural waters where they contaminate the sediments and can be taken up by fish and then by humans. To investigate the sources and fate of organochlorine contaminants in the natural waters of the Hudson watershed, analyses of dated sediment core sections will be performed. Results from our initial funding period, have defined several areas of particular focus. A major source of chlordane to western NY/NJ harbor will be traced into the Hackensack and Passaic River watersheds. Chlordane is a significant contaminant of fish from this area and its residues have been found at elevated levels in local anglers (project 5). DDT-derived compounds will be measured in soils from urban parks. Our data from Central Park Lake sediments will be investigated using stable chlorine isotope rations. To our knowledge, this will be the first application of this powerful technique to the study of PCBs. This project will also involve interpretation of fish contaminant level data from the NYS Department of Environmental Conservation (DEC) that will produce a strong tie to a project , the urban anglers' study. Extracts of representative sediments will be supplied for use in biomedical projects 2 and 3. Our study of dioxin sources will link us closely to the EPA Superfund investigation of 80 Lister Avenue on the lower Passaic River. The closest collaboration will be with a project 6 which will provide the trace metal component of our multi-contaminant approach to persistent pollution in the Hudson watershed. As in the past, sediment sample collections will done jointly with scientists from project 6 and from the NYSDEC and all samples will be shared.

多氯联苯、滴滴涕和其他持久性氯化碳氢化合物的生产和使用 在美国已经停止了。然而，大量的这些有毒物质 化合物仍然分散在环境中， 命运是不完美的。此外，额外的多氯联苯和其他 有机氯继续被添加到环境中，特别是 天然沃茨，污染沉积物，并可被 鱼，然后是人。去调查 哈德逊流域天然沃茨中的有机氯污染物， 将对过时的沉积物岩心剖面进行分析。源自我们的 初步筹资期间，确定了几个特别重点领域。一 纽约州/新泽西州西部港口的主要氯离子来源将被追踪到 Hackensack和Passaic河流域。叶绿素是一种重要的 该地区的鱼类污染物及其残留物已被发现， 当地钓鱼者的水平升高（项目5）。DDT衍生化合物将 在城市公园的土壤中测量。我们从中央公园湖泊沉积物中获得的数据 将使用稳定的氯同位素比率进行研究。据我们所知， 这将是这项强大的技术首次应用于研究 PCB。本项目还将涉及鱼类污染物水平的解释 纽约州环境保护部（DEC）的数据， 与城市垂钓者研究项目有着紧密的联系。提取物 将提供代表性沉积物用于生物医学项目2， 3.我们对二恶英来源的研究将使我们与环境保护署超级基金紧密联系在一起 调查帕塞伊克河下游利斯特大道80号最近的 将与项目6合作，该项目将提供痕量金属 我们的多污染物方法的组成部分， 哈德逊流域。与以往一样， 与项目6和NYSDEC的科学家一起， 将被分享。