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Daily News Blog

Archive for the 'Alachlor' Category


14
May

DDT Metabolite (DDE) and Other Banned Pesticides Found in Blood Sample of African American Women in Detroit

(Beyond Pesticides, May 14, 2020) Four banned organochlorine pesticides (OCP) are present in over 60% of a cohort of reproductive-age, black women in Detroit, according to a study published in Environmental Research by Boston University School of Public Health (BUSPH). OCPs are lipophilic (fat combining/dissolving), environmentally steadfast chemicals linked to harmful health effects. This study stresses the importance of monitoring pesticide accumulation, particularly regarding environmentally persistent chemicals and their metabolization via indirect exposure routes. Lead author Olivia Orta, Ph.D., a postdoctoral research associate in the Department of Epidemiology at BUSPH, highlights the significance of water monitoring—especially in light of historically disproportionately high hazards for people of color (e.g., Flint, Michigan)—and testing sources prone to OCP contamination. She remarks, “The sources that we identified as potential OCP correlates should be tested for pesticide contamination,[…] especially drinking water.” Environmental contaminants, like organochlorine pesticides (OCP), can persist in the environment decades after use stops, as OCPs have greater chemical stability and gradual attenuation. Minority populations are at higher exposure risk of environmental contaminants (i.e., pesticide) exposure that can catalyze adverse health and birth effects, especially in metropolitan areas. Although black women endure higher body burdens than other U.S. populations, there remains a lack of research surrounding the association. Boston University researchers enrolled […]

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23
Jan

Acute Pesticide Incidents May Lead to Loss of Smell

(Beyond Pesticides, January, 23, 2019) Individuals that have been acutely poisoned by pesticides at some time in their life may be more likely to lose their sense of smell, according to a recent study published in Environmental Health Perspectives.  Researchers focused on the effect of high pesticide exposure events (HPEE), such as a pesticide spill or other incident, on a farmers’ ability to smell later in life. This is the first study to indicate pesticide exposure may result in olfactory impairment. Farmers from Iowa and North Carolina enrolled in an ongoing U.S. Agricultural Health Study have been asked about their pesticide use roughly every 5 to 6 years since 1993. In the most recent survey, taken from 2013-2015, farmers were asked additional questions about HPEE in their lifetime and whether they had a significantly decreased or impaired sense of smell. “Studying farmers gives us more reliable data on pesticide exposures than if we had studied the general population,” says Honglei Chen, MD, PhD, lead author and professor of epidemiology at Michigan State University in a press release. “Because they use pesticides more and it’s part of their job, they’re more likely to remember what pesticides they used and in cases […]

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17
Feb

2,4-D and Atrazine Effects on Endangered Species Focus of Another Lawsuit

(Beyond Pesticides, February 17, 2015) The Center for Biological Diversity filed a lawsuit in federal court in California February 12 against the U.S. Fish and Wildlife Service (FWS) for failing to ensure that three widely used pesticides ””atrazine, 2,4-D and alachlor”” do not jeopardize the survival of two Bay Area endangered species, the delta smelt and Alameda whipsnake. FWS has yet to act on a request from the U.S. Environmental Protection Agency (EPA) to determine whether measures are needed to protect the delta smelt and Alameda whipsnake from exposure to these pesticides. “These pesticides are known to harm wildlife even in miniscule amounts, so it’s long past time that we start taking commonsense steps to protect endangered species, our water and ourselves,” said Brett Hartl, endangered species policy director at the Center. “Putting off any analysis of the harms caused by pesticides for six years is simply unacceptable, and has set back the recovery of these two species substantially.” Scientific research has shown that atrazine can harm the development of amphibians at exposures of just a few parts per billion, is toxic to fish, reptiles, mammals and birds, and may elevate risks of birth defects in people. Up to 80 […]

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19
Jul

Federal Report Finds Stream Health Severely Degraded

(Beyond Pesticides, July 19, 2013) A recent report by the U.S. Geological Survey (USGS) examines the health of the nation’s streams over 20 years and finds that streams nationwide are severely degraded by humans, exhibiting elevated levels of pesticides and nutrients as well as streamflow modifications. Overall, the report finds that 83 percent of streams in agricultural and urban areas contain at least one aquatic community that was altered, or in other words, negatively affected. With waterways in the U.S. increasingly imperiled from various agents including agricultural and industrial discharges, nutrient loading (nitrogen and phosphorus), and biological agents such as pathogens, assessments such as these provide further impetus to protect water quality for both human health and the environment. The report, entitled “Quality of Our Nation’s Waters: Ecological Health in the Nation’s Streams, 1993-2005,” describes the health of three biological communities ””algae, macroinvertebrates, and fish”” to  measure the overall quality of streams. A stream’s ability to support these community structures can directly measure the health of waterways. The report assesses streamflow modifications and measures over 100 chemical constituents in water and streambed sediments. The report is a comprehensive assessment of the variety of factors that contribute to stream health declines, […]

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14
Feb

French Court Finds Monsanto Guilty of Pesticide Poisoning

(Beyond Pesticides, February 14, 2012) A French court has found U.S. chemical giant Monsanto Co. guilty of pesticide poisoning in the case of a French farmer who became ill after exposure to one of the company’s herbicides, according to Reuters. The case is significant in that it sets precedent for other cases alleging pesticide poisoning or negligence in reporting of potential effects on human health resulting from pesticides. The court has said it will seek an expert opinion regarding the farmer’s losses in order to determine the appropriate amount of damages he should be rewarded. The case stems from an incident in which the farmer, Paul Francois, inadvertently inhaled Monsanto’s Lasso pesticide when cleaning his sprayer tank on his farm in southern France in 2004. He then began experiencing memory loss, headaches, and stammering, among other neurological problems. This led to his decision to file suit against Monsanto, asserting that the company did not provide adequate warnings on the product label that would indicate these symptoms could result from exposure. The court agreed with Mr. Francois, stating that, “Monsanto is responsible for Paul Francois’s suffering after he inhaled the Lasso product … and must entirely compensate him,” according to Agence […]

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06
Jun

Study Shows Increased Diabetes Risk from Pesticide Exposure

(Beyond Pesticides, June 6, 2008) A recent study by the National Institutes of Health (NIH), including the National Institute of Environmental Health Sciences (NIEHS) and the National Cancer Institute (NCI), finds pesticide applicators with regular exposure to pesticides to be at a greater risk of type-2 diabetes. Published in the American Journal of Epidemiology (DOI: 10.1093/aje/kwn028), the study shows specific pesticides produce between a 20 and 200 percent increase in risk. Researchers looked at data from 31,787 pesticide applicators in North Carolina and Iowa over a period of five years. In that period, 1,171, or 3.7 percent, had developed diabetes, particularly for applicators in the highest category of lifetime days of use of any pesticide. “The results suggest that pesticides may be a contributing factor for diabetes along with known risk factors such as diabetes, lack of exercise and having a family history of diabetes,” said Dale Sandler, PhD, chief of the Epidemiology Branch of NIEHS. “Although the amount of diabetes explained by pesticides is small, these new findings may extend beyond the pesticide applicators in the study.” Freya Kamel, PhD, of NIEHS noted that “all of the seven pesticides” associated with an increased risk of type 2 diabetes are […]

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24
Aug

Wisconsin Passes Stricter Herbicide Limits

(Beyond Pesticides, August 24, 2007) The Wisconsin Natural Resources Defense Board recently passed stricter limits on allowable groundwater levels of alachlor-ESA, the breakdown product of the herbicide alachlor, cutting in half the standard to 20 parts per billion (ppb). The reduction from the previous standard of 40 ppb was prompted by the state Department of Natural Resources (DNR), which has tried to pass a similar measure in recent years, only to be blocked by the Republican-controlled Senate. Officials hope that a Democratic majority will ensure adoption of the new standard. The board voted 7-0 in favor of lowering the allowable groundwater level of alachlor-ESA, after DNR cited studies showing the chemical causes blood problems in rats. Department of Agriculture, Trade & Consumer Protection (DATCP) tests in 2001 showed alachlor-ESA in 28 percent of private wells tested, in spite of its declining use (on less than a quarter of the state’s 100,000 acres of corn). A similar proposal was rejected by the board in 2005, when DNR refused to agree to the Joint Committee for Review of Administrative Rules’ request to allow Monsanto, manufacturer of alachlor, to fund a separate study in addition to the state’s data. Monsanto, as expected, issued […]

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