Largest Internet Search Engine
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Search Engine with Newest Information
http://www.alltheweb.com

Yahoo Directory - The most popular portal on the Internet
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MSN.com - Major Search Engine and portal on the Internet
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The largest industrial search engine in the US.
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Patsorn Open Directory
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PopularSites.com
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Business Resource Guide
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MainSeek.com - metasearch engine
http://main-seek.yellowpages.pl

Websecrets- Best Sites on the Web
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Dynamic Directory
http://www.maximumedge.com

1001 Searches Directory
http://www.searches.org

Ecosystems Management
http://www.eco-m.com

Society of Environmental Toxicology
and Chemistry
http://www.setac.org

Society of Toxicology
http://www.toxicology.org

RD Instruments
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Coastal Guide - A quick reference to coastal engineering
http://www.coastal-guide.com

Enivronmental equipment rental
www.jolly.com

Journal dedicated to ecology.
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Land surveying and Mapping Services
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Hudson Delaware Setac
http://www.hdsetac.org

SETAC Europe
http://www.setaceu.org

Toxicology Resources and Products
http://www.toxsci.org

Stevens Instute of Technology, Dept. of
Environmental and Coastal Engineering
http://www.dl.stevens-tech.edu