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American Chemical Society's Weekly Presspac -- June 17, 2009
Date:6/22/2009

Here is the latest American Chemical Society (ACS) Weekly PressPac from the Office of Public Affairs. It has news from ACS' 34 peer-reviewed journals and Chemical & Engineering News. Please credit the individual journal or the American Chemical Society as the source for this information.

ARTICLE #1 FOR IMMEDIATE RELEASE

Many floors in U. S. homes have "measurable" levels of pesticides
Environmental Science & Technology

Insecticides used in and around homes including products voluntarily removed from the market years ago were measured on the floors of U.S. residences, according to the first study large enough to generate national data on pesticide residues in homes. It is scheduled for the June 15 issue of ACS' semi-monthly journal Environmental Science & Technology.

Scientists at the U.S. Environmental Protection Agency (EPA) and the U.S. Department of Housing and Urban Development (HUD) collected samples with surface wipes from U.S. kitchen floors. Additionally, occupants were surveyed regarding pesticide use and housing factors. The most frequently detected pesticides, after permethrin (89 percent), were chlorpyrifos (78 percent); chlordane (74 percent); piperonyl butoxide (52 percent); cypermethrin (46 percent); and fipronil (40 percent). While in most cases, the pesticide concentrations measured were low, the insecticides may serve as a potential source of exposure to occupants.

Scientists launched the study to understand the frequency and concentration of pesticide residues that might be found in U.S. homes. EPA and HUD scientists plan to further investigate these findings and the study's questionnaire results to explore the relationships between pesticide concentrations found in homes and housing factors (age of home, housing type, occupancy, etc.), geographical location, pet treatments, and recent home pesticide applications.

ARTICLE #1 FOR IMMEDIATE RELEASE
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Contact: Michael Woods
m_woods@acs.org
202-872-6293
American Chemical Society
Source:Eurekalert  

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