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Toxic Pesticides Above "Safe" Levels in Many U.S. Residents
May 11, 2004

Many U.S. residents carry toxic pesticides in their bodies above government assessed "acceptable" levels, according to Chemical Trespass: Pesticides in Our Bodies and Corporate Accountability a report released today by Pesticide Action Network North America (PANNA) and partner groups in more than 20 cities. Analyzing pesticide-related data collected by the U.S. Centers for Disease Control and Prevention (CDC) on levels of chemicals in 9,282 people nationwide, the report reveals that government and industry have failed to safeguard public health from pesticide exposures.

"None of us choose to have hazardous pesticides in our bodies," said Kristin Schafer of PANNA and lead author of the report. "Yet CDC found pesticides in 100% of the people who had both blood and urine tested. The average person in this group carried a toxic cocktail of 13 of the 23 pesticides we analyzed."

Many of the pesticides found in the test subjects have been linked to serious short- and long-term health effects including infertility, birth defects and childhood and adult cancers. "While the government develops safety levels for each chemical separately, this study shows that in the real world we are exposed to multiple chemicals simultaneously," explained Margaret Reeves, of PANNA. "The synergistic effects of multiple exposures are unknown, but a growing body of research suggests that even at very low levels, the combination of these chemicals can be harmful to our health."

Chemical Trespass found that children, women and Mexican Americans shouldered the heaviest "pesticide body burden." For example, children -- the population most vulnerable to pesticides -- are exposed to the highest levels of nerve-damaging organophosphorous (OP) pesticides. The CDC data show that the average 6 to11 year-old sampled is exposed to the OP pesticide chlorpyrifos at four times the level U.S. Environmental Protection Agency (U.S. EPA) considers "acceptable" for long-term exposure. Chlorpyrifos, produced principally by Dow Chemical Corporation and found in numerous products such as Dursban™, is designed to kill insects by disrupting the nervous system. Although U.S. EPA restricted chlorpyrifos for most residential uses in 2000, it continues to be used widely in agriculture and other settings. In humans, chlorpyrifos is also a nerve poison, and has been shown to disrupt hormones and interfere with normal development of the nervous system in laboratory animals.

The report also found that women have significantly higher levels of three of the six organochlorine (OC) pesticides evaluated. These pesticides are known to cross the placenta during pregnancy with multiple harmful effects including disruption of brain development, which can lead to learning disabilities and other neurobehavioral problems, as well as reduced infant birth weight. This ability of organochlorine pesticides to pass from mother to child puts future generations at serious risk.

PAN's analysis found that Mexican Americans carry dramatically higher body burdens of five of the 17 evaluated pesticides in urine samples, including a breakdown product of methyl parathion, a neurotoxic, endocrine-disrupting insecticide. Mexican Americans also had significantly higher body burdens of the breakdown products of the insecticides lindane and DDT than those found in other ethnic groups.

Chemical Trespass argues that pesticide manufacturers are primarily responsible for the problem of pesticide body burden. "The pesticides we carry in our bodies are made and aggressively promoted by agrochemical companies," stated Skip Spitzer at PANNA. "These companies also spend millions on political influence to block or undermine regulatory measures designed to protect public health and the environment." The report introduces the Pesticide Trespass Index (PTI), a new tool for quantifying responsibility of individual pesticide manufacturers for their "pesticide trespass." Using the PTI, the report estimates that Dow Chemical is responsible for at least 80% of the chlorpyrifos breakdown products found in the bodies of those in the U.S.

Chemical Trespass offers a series of recommendations. The U.S. Congress should investigate corporate responsibility and liability for pesticide body burdens and develop financial mechanisms to shift health and environmental costs of pesticides to the corporations that produce them. U.S. EPA should ban pesticides known to be hazardous and pervasive in the environment and our bodies including immediate phase outs of all uses of chlorpyrifos and lindane. U.S. EPA should also require that manufacturers bear the burden of proof for demonstrating that a pesticide does not harm human health before it can be registered. Working with the U.S. Department of Agriculture, U.S. EPA should promote least-toxic pest control methods. Individuals should pressure government officials and corporations to implement these changes while seeking alternatives to pesticide use and buying organic products whenever possible.

Chemical Trespass: Pesticides in Our Bodies and Corporate Accountability is available on the PANNA website at http://www.panna.org. The report's executive summary is also available in Spanish and French.

Source: Chemical Trespass: Pesticides in Our Bodies and Corporate Accountability, Kristin S. Schafer, Margaret Reeves, Skip Spitzer, Susan Kegley, Pesticide Action Network North America, May, 2004.

Contact: PANNA

PANUPS is a weekly email news service providing resource guides and reporting on pesticide issues that don't always get coverage by the mainstream media. It's produced by Pesticide Action Network North America, a non-profit and non-governmental organization working to advance sustainable alternatives to pesticides worldwide.

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