Abstract Title:

The effect of different oil spill remediation techniques on petroleum hydrocarbon elimination in Australian bass (Macquaria novemaculeata).

Abstract Source:

Arch Environ Contam Toxicol. 2001 Feb;40(2):264-70. PMID: 11243329

Abstract Author(s):

A M Cohen, D Nugegoda, M M Gagnon

Article Affiliation:

Department of Applied Biology and Biotechnology, RMIT, Victoria, Australia. adam.cohen@rmit.edu.au

Abstract:

Petroleum hydrocarbons were investigated in juvenile Australian bass, Macquaria novemaculeata, following exposure to the water accommodated fraction (WAF) of Bass Strait crude oil, chemically dispersed crude oil, and burnt crude oil. Each treatment was administered for 16 days either through the water column or through the diet (amphipod, Allorchestes compressa). Polycyclic aromatic hydrocarbon (PAH) elimination was determined by measuring biliary benzo(a)pyrene (B(a)P) and naphthalene-type metabolites. Biliary PAH-type metabolite concentrations varied with the type of oil spill remediation technique, route of exposure (food versus water), and exposure concentration. Fish exposed to chemically dispersed crude oil via the water exhibited the highest PAH-type biliary metabolite concentrations, relative to fish exposed to other treatments. In fish exposed via the diet, the highest concentration of both types of biliary metabolites also appeared in the dispersed oil-exposed individuals. The results suggest that chemically dispersing oil may have the greatest effect on bioavailability of hydrocarbons, both through waterborne and food chain exposures.

Study Type : Animal Study
Additional Links
Problem Substances : Dispersants : CK(55) : AC(30)

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