AI Article Synopsis
- Researchers analyzed the levels of polycyclic aromatic hydrocarbons (PAHs) and polychlorinated biphenyls (PCBs) in the waters of two marine protected areas in Sardinia, Italy.
- They used semi-permeable membrane devices (SPMDs) to detect very low concentrations of these contaminants, even in parts per trillion.
- The study found notable differences in PAH concentrations between the two sites, indicating varied pollution sources, while PCBs were mostly present below the detection threshold.
Article Abstract
Aqueous concentrations of individual polycyclic aromatic hydrocarbons (PAHs) and polychlorinated biphenyls (PCBs) were determined in coastal sites of two marine protected areas (MPAs), that is, Asinara and the La Maddalena Archipelago, in Sardinia (Western Mediterranean Sea). The use of semi-permeable membrane devices (SPMDs) enabled the detection of dissolved PAHs and PCBs, even in very low concentrations of (pgL(-1)), in seawater. The results reveal significant differences between the two sampling areas relative to the concentration of the individual PAHs, which provide information concerning the pollution sources affecting relatively pristine environments. The PCBs were generally observed at levels below the detection limits of the utilised method.
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| http://dx.doi.org/10.1016/j.marpolbul.2013.08.004 | DOI Listing |
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