Toxicity Effects of Chemically-Dispersed Crude Oil on Fish
作者： Kenneth Lee , Thomas King , Brian Robinson , Zhengkai Li , Les Burridge
DOI: 10.7901/2169-3358-2011-1-163
关键词: Corexit 、 Toxicity 、 Atlantic herring 、 Light crude oil 、 Chemistry 、 Pacific herring 、 Fraction (chemistry) 、 Dispersant 、 Herring 、 Environmental engineering 、 Environmental chemistry
摘要: ABSTRACT Studies were conducted to: (1) evaluate the toxicity of polycyclic aromatic hydrocarbons (PAHs), water accommodated fraction (WAF) and chemically enhanced (CEWAF) from Alaska North Slope (ANS), Medium South American (MESA) Arabian Light (AL) crude oils on life stages commercially valuable herring cod; (2) use biomarkers as indicators exposure effects; (3) assess environmental, physical, chemical, biological temporal factors affecting toxicity; (4) compare data using identical protocols for different dispersants (Corexit 9500 SPC-1000). Chronic LC50s Pacific embryos 3 (ANS) 1.5 mg-petroleum-hydrocarbons/L. ANS was 2.5–3 times more toxic than AL to Atlantic embryos. The apparent greater a medium compared light might have been due higher concentration increased degree alkyl PAHs with three or rings, but difference not statistically significant. Incr...
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