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Comparative assessment of four ballast water compliance monitoring devices with natural UV-treated water using IMO's monitoring approaches
Marine Pollution Bulletin ( IF 5.3 ) Pub Date : 2024-11-07 , DOI: 10.1016/j.marpolbul.2024.117193
Leonardo Romero-Martínez, Cees van Slooten, Michiel van Harten, Enrique Nebot, Louis Peperzak

Compliance Monitoring Devices (CMDs) are instruments indicating if the 10–50 μm organism abundance in ballast water complies with the International Maritime Organizations' discharge standard. For that, they trade the presumed accuracy of detailed methods for speed and simplicity. In an experiment using UV-treated water, four CMDs were compared, using a Cohen's kappa analysis (ISO 3725), with two detailed methods: Fluorescence Microscopy (FM) and the Most Probable Number (MPN). Of two CMDs, BallastWISE and B-QUA ATP, the standard (non)-compliance limits were adapted. Correlated to FM (non)-compliance results, ranking resulted in: 1) BallastWISE, 2) MPN, 3) Ballast-Check-2 and 4) WALZ-PAM. The ATP method had too few data for this ranking. MPN proved problematic: the abundance of 10–50 μm organism decreased while that <10 μm organisms increased. It is concluded that in case of UV-treatment, the outcome of CMD-validations will depend on the detailed method, the CMD instrument, and the (non)-compliance limits chosen.

中文翻译:


使用 IMO 的监测方法对四种压载水合规性监测设备与天然紫外线处理水进行比较评估



合规监测装置 (CMD) 是指示压载水中 10-50 μm 生物丰度是否符合国际海事组织排放标准的仪器。为此,他们用详细方法的假定准确性来换取速度和简单性。在使用紫外线处理水的实验中,使用 Cohen 的 kappa 分析 (ISO 3725) 比较了四种 CMD,并采用了两种详细的方法:荧光显微镜 (FM) 和最可能数 (MPN)。在两个 CMD BallastWISE 和 B-QUA ATP 中,标准(非)合规限值进行了调整。与 FM(非)合规性结果相关,排名结果为:1) BallastWISE,2) MPN,3) Ballast-Check-2 和 4) WALZ-PAM。ATP 方法的数据太少,无法进行此排名。MPN 被证明是有问题的:10-50 μm 生物体的丰度降低,而 <10 μm 生物体的丰度增加。结论是,在紫外线处理的情况下,CMD 验证的结果将取决于详细方法、CMD 工具和所选的(不)合规限值。
更新日期:2024-11-07
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