Polycyclic Aromatic Hydrocarbons (PAHs) and Hopanes in Plastic Resin Pellets as Markers of Oil Pollution via International Pellet Watch Monitoring

摘要: Oil pollution in the marine environment is an unavoidable problem due to chronic input from local sources, particularly urban areas and oil spills. not only causes immediate physical damages surrounding wildlife but also some components, including higher molecular weight PAHs, can persist for many years pose insidious threats ecosystem. Long-term nontargeted monitoring of important. This paper examines ability International Pellet Watch (IPW) initial identification by analysing PAHs hopanes plastic pellet samples collected globally volunteers. PAH concentrations with sum 28 parent methyl vary geographically, ranging 0.035 24.4 µg/g-pellet, line presence or absence such as refineries spill sites. suggests that be used monitor petroleum IPW. A colour-coded categorization within IPW established facilitate data presentation understanding. are generally Western Europe, especially around North Sea shorelines, moderate East Asia America, lower South Asia, Oceania, Africa. Hopane concentrations, a smaller spatial variation (1.7–101 µg/g-pellet), showed no pattern. result poor correlation between suggest hopane alone unsuited identify pollution. However, compositions fingerprinting sources Thus, both allow low cost, remote global