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  • Title: Antifouling booster biocides in coastal waters of Panama: First appraisal in one of the busiest shipping zones.
    Author: Batista-Andrade JA, Caldas SS, de Oliveira Arias JL, Castro IB, Fillmann G, Primel EG.
    Journal: Mar Pollut Bull; 2016 Nov 15; 112(1-2):415-419. PubMed ID: 27496683.
    Abstract:
    A baseline study for antifouling booster biocides in coastal waters of Panama is presented. Solid Phase Extraction (SPE) was used for extraction and Liquid Chromatography tandem Mass Spectrometry (LC-MS/MS) was applied for the quantification of irgarol 1051, diuron, (2-thiocyanomethylthio)benzothiazole (TCMTB), 4,5-dichloro-2-n-octyl-4-isothiazolin-3-one (DCOIT) and dichlofluanid. TCMTB, DCOIT and dichlofluanid were not detected in any seawater sample, while irgarol 1051 and diuron were found in four out of thirteen areas (<0.3 to 5.0ngL-1 and <2.7 to 70ngL-1, respectively). Although the hotspots were identified in areas influenced by marinas and in one of the ports, diuron and irgarol 1051 levels were all lower than the threshold levels set by the Environmental Quality Standard of United Kingdom. However, this is only a snapshot of the status of costal water contamination by antifouling booster biocides and a more comprehensive assessment is needed to assess risks associated to long term exposure.
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