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Archive for the 'spinosad' Category


Farmworkers Face Highest Risk of Pesticide Poisonings, EPA Worker Protection Standards Failing

(Beyond Pesticides, December 8, 2008) A new study by a National Institute for Occupational Safety and Health (NIOSH) researcher finds the pesticide poisoning incidence rate among U.S. agricultural workers is thirty-nine times higher than the incidence rate found in all other industries combined. The study, “Acute Pesticide Poisoning Among Agricultural Workers in the United Sates, 1998-2005,” published in the December issue of the American Journal of Industrial Medicine, is believed to be the first detailed multi-state assessment of acute pesticide poisonings among agricultural workers. From 1998 to 2005, a total of 3,271 cases of acute occupational pesticide-related illness/injury among agricultural workers were identified in ten states. According to EPA, the Worker Protection Standards are designed to reduce the risk of injury or illness to agricultural field workers resulting from exposure to pesticides. Although the WPS was expanded in 1995 and in 2005 EPA developed a new WPS How to Comply (HTC) Manual, the NIOSH findings indicate that agricultural workers continue to have an elevated risk for acute pesticide poisoning. Furthermore, female agricultural workers experienced nearly twice the risk of pesticide poisoning of male agricultural workers. The most common factors that contributed to pesticide exposure included off-target drift, early reentry into […]



Medflies Found in California Prompt Quick Action

(Beyond Pesticides, September 17, 2007) Mediterranean fruit flies were discovered last week in Dixon, California, and federal, state, and county agencies rushed to respond with traps, biopesticide treatment, and sterile mates to prevent the insect from infesting local agriculture. A total of eight Medflies have been found so far, and the three-pronged attack started with an effort to monitor the presence of the Medfly. California Department of Food and Agriculture (CDFA) employees have placed 1,700 fruit fly-targeted detection traps in an 81-square-mile grid. Next, residents within 200 meters of the original finding had their yards treated with the organic compound Naturalyte, the active ingredient of which is spinosad, a naturally occurring extract from bacteria. The pesticide, made by Dow, is approved for use on organic crops, yet the vast majority of its ingredients (so-called “inerts”) are not disclosed. As another biological control, more than 3 million sterile male flies were released last Friday in a 12-square-mile area around Dixon. The sterile males will be deployed on a weekly basis to mate with wild females, helping to eradicate the Medfly population. This is the first Medfly case in Solano County, according to county agriculture officials. Agriculture Commissioner Jerry Howard said that […]