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Occurrence, Source and Ecological Assessment of Baseline Hydrocarbons in the Intertidal Marine Sediments Along the Shoreline of Douglas Channel to Hecate Strait in British Columbia

Occurrence, Source and Ecological Assessment of Baseline Hydrocarbons in the Intertidal Marine Sediments Along the Shoreline of Douglas Channel to Hecate Strait in British Columbia

Zeyu Yang, Bruce P Hollebone, Sonia Laforest, Patrick Lambert, Carl E Brown, Chun Yang, Keval Shah, Mike Landriault, Michael Goldthorp

Mar Pollut Bull. 2017 Sep 15;122(1-2):450-455.

PMID: 28552253

Abstract:

The occurrence, source and ecological assessment of baseline hydrocarbons in the intertidal zone along the northern British shoreline were evaluated based on analyzing total petroleum hydrocarbons (TPH), n-alkanes, petroleum related biomarkers such as terpanes and steranes, and polycyclic aromatic hydrocarbons (PAHs) including non-alkylated and alkylated homologues (APAHs). The TPH levels, n-alkanes, petroleum biomarkers and PAHs in all the sampling sites, except for Masset Harbor/York Point at Gil Island were low, without obvious unresolved complex mixture (UCM) and petroleum contamination input. Specifically, n-alkanes showed a major terrestrial plants input; PAHs with abundant non-alkylated PAHs but minor APAHs showed a major pyrogenic input. However, obvious petroleum-derived hydrocarbons have impacted Masset Harbor. A historical petroleum input was found in York Point at Gil Island, due to the presence of the low level of petroleum biomarkers. Ecological assessment of 13 non-alkylated PAHs in Masset Harbor indicated no potential toxicity to the benthic organisms.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
CS35563	TPH in Water (low level)			Price

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