Semipermeable membrane devices link site-specific contaminants to effects: PART II - A comparison of lingering Exxon Valdez oil with other potential sources of CYP1A inducers in Prince William Sound, Alaska

被引：19

作者：

Short, Jeffrey W. ^{[1
]}

Springman, Kathrine R. ^{[2
]}

Lindeberg, Mandy R. ^{[1
]}

Holland, Larry G. ^{[1
]}

Larsen, Marie L. ^{[1
]}

Sloan, Catherine A. ^{[3
]}

Khan, Colin ^{[4
]}

Hodson, Peter V. ^{[4
]}

Rice, Stanley D. ^{[1
]}

机构：

[1] NOAA, Alaska Fisheries Sci Ctr, Natl Marine Fisheries Serv, Juneau, AK 99801 USA

[2] Univ Calif Davis, Davis, CA 95616 USA

[3] NOAA, Natl Marine Fisheries Serv, NW Fisheries Sci Ctr, Seattle, WA 98112 USA

[4] Queens Univ, Kingston, ON K7L 3N6, Canada

来源：

MARINE ENVIRONMENTAL RESEARCH | 2008年 / 66卷 / 05期

关键词：

Pollution monitoring; Oil spills; Sources; PAH; PCB; SPMD;

D O I：

10.1016/j.marenvres.2008.08.007

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

We deployed semipermeable membrane devices (SPMDs) on beaches for 28 days at 53 sites in Prince William Sound (PWS), Alaska, to evaluate the induction potential from suspected sources of cytochrome P450 1A(CYP1A)-inducing contaminants. Sites were selected to assess known point sources, or were chosen randomly to evaluate the region-wide sources. After deployment, SPMD extracts were analyzed chemically for persistent organic pollutants (POPs) and polycyclic aromatic hydrocarbons (PAH). These results were compared with hepatic CYP1A enzyme activity of juvenile rainbow trout injected with the same extracts priorto clean-up for the chemical analyses. Increased CYP1A activity was strongly associated with PAH concentrations in extracts, especially chrysene homologues but was not associated with POPs. The only apparent sources of chrysene homologues were lingering oil from Exxon Valdez, asphalt and bunker fuels released from storage tanks during the 1964 Alaska earthquake, creosote leaching from numerous pilings at one site, and PAH-contaminated sediments at Cordova Harbor. Our results indicate that PWS is remarkably free of pollution from PAH when nearby sources are absent as well as from pesticides and PCBs generally. Published by Elsevier Ltd.

引用

页码：487 / 498

页数：12

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