考贝河沉积物中有机氯农药（OCPs）的污染情况。
Contamination of selected organochlorine pesticides (OCPs) in sediment from CauBay River, Hanoi.
机构信息
Vietnam Water Resources University, 175 Tay Son Street, Hanoi, Vietnam.
出版信息
Bull Environ Contam Toxicol. 2013 Jan;90(1):132-5. doi: 10.1007/s00128-012-0877-3. Epub 2012 Nov 7.
This work investigated the contamination status of selected organochlorine pesticides (OCPs: p,p'-DDT, p,p'-DDE, p,p'-DDD, α, β, γ, δ-HCH) in sediment of the CauBay river. Wide occurrence and remarkable residue levels of these two OCPs have been found in the study areas. ΣDDT concentrations ranged from 51.84 to 92.76 ng.g(-1) dry weight, whereas ΣHCH concentrations ranged from 4.56 to 11.39 ng g(-1) dry weight. All of the sampling sites exceeded the effects range median levels for DDT (>46.1 ng g(-1)). The analyzed results show that ΣDDT and ΣHCH displayed uniform high and low distribution, respectively. There is no recent input of DDT and HCH in the study area.
本研究调查了考贝河沉积物中选定的有机氯农药（OCPs：p,p'-DDT、p,p'-DDE、p,p'-DDD、α、β、γ、δ-HCH）的污染状况。研究区域发现这两种 OCPs 的广泛存在和显著残留水平。ΣDDT 浓度范围为 51.84 至 92.76ng.g(-1)干重，而 ΣHCH 浓度范围为 4.56 至 11.39ng.g(-1)干重。所有采样点均超过 DDT 的效应范围中值（>46.1ng.g(-1)）。分析结果表明，ΣDDT 和 ΣHCH 分别呈现均匀的高值和低值分布。研究区域近期没有 DDT 和 HCH 的输入。
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