Wednesday, November 30, 2011

Pesticide Remnants in Chesapeake Area

http://www.sciencedaily.com/releases/2011/07/110707111031.htm

Even though certain pesticides, such as DDT, DDD, DDE, are no longer being utilized in the Chesapeake Bay area [largest estuary in the U.S.], scientists have seen its remnants lingering around the Bay's airshed. Many of the pesticides lingered within the soil, and since much of the coast is sandy it is likely to give off the pesticides more. This means that the pesticides will continue to be released within the area due to their persistent nature. Other pesticides found were lindane, chlordane products, heptachlor, and dieldrin [this is the most persistent and along with DDE, had the highest concentration found]. Some of these pesticides were even found from being as far away as 60 miles. About 30-60% of the pesticides were caused to arise from air temperature and wind. These findings will hopefully provide a sense of awareness to users of pesticides so that they know that the damage of pesticides aren't just during the time it is sprayed, or even as long as making its way to the dinner table. They can remain for decades and harm current organisms in the area, including us humans.

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