In the present study a determination of polycyclic aromatic hydrocarbons (PAH’s) in sediments and molluscs (Crassostrea virginica, C. rhizophorae and Brachidontes exustus) was made from La Grande-La Chica lagoon system, Veracruz State, Mexico by gas chromatography with capillary column and its correlation with organic carbon content (OC) and texture of...