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首页> 外文期刊>Ground Water Monitoring & Remediation >Suggested Methods to Mitigate Bias from Nondissolved Petroleum in Ground Water Samples Collected from the Smear Zone
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Suggested Methods to Mitigate Bias from Nondissolved Petroleum in Ground Water Samples Collected from the Smear Zone

机译：从涂片区收集的地下水样品中缓解非溶解石油偏见的建议方法

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This article provides actual site data that confirm that turbid ground water samples collected from within the smear zone at petroleum release sites can be significantly biased high by the inclusion of a nondissolved component that is an artifact of the sampling process. Side-by-side comparisons show that reducing sample turbidity can result in significant reductions of reported concentrations for the ground water samples and that the lower turbidity results are more representative of the petroleum actually dissolved in the ground water. Depending on site-specific factors, ground water sample turbidity can be reduced by four field-based and two laboratory-based methods. These methods should be used routinely at sites where turbid samples with a nondissolved component are being collected.
机译：本文提供了实际的现场数据，这些数据证实了通过包含非溶解成分（这是采样过程的伪影），可以从在石油释放地点涂片区内收集的浑浊的地下水样品明显偏高。并排比较显示，降低样品的浊度可导致地下水样品的报告浓度显着降低，并且较低的浊度结果更能代表实际溶解在地下水中的石油。根据特定地点的因素，可以通过四种基于现场的方法和两种基于实验室的方法来降低地下水样品的浊度。这些方法应在收集有不溶成分的混浊样品的场所常规使用。

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