(Beyond Pesticides, September 22, 2008) A study published in the September issue of Environmental Health Perspectives finds that low-dose, short-term exposure to esfenvalerate, a synthetic pyrethroid pesticide, delays the onset of puberty in rats at doses two times lower than U.S. EPA’s stated no observable effect level (NOEL) of 2.0 mg/kg/day. Synthetic pyrethroids are used for everything from lawn care and household insecticides, to mosquito control and agriculture. There are currently 348 pesticide products registered by the U.S. EPA. The researchers conclude: “Although the exact mechanism of action is unknown at this time, we observed the effects at dosage levels below the NOEL established through chronic dietary exposure studies in rats. The U.S. EPA (1998) http://www.epa.gov/fedrgstr/EPA-PEST/1998/April/Day-29/p11372.htm stated that ”˜There is no evidence of additional sensitivity to young rats or rabbits following pre- or postnatal exposure to esfenvalerate.’ The present study shows that immature female rats exposed to 1.0 mg/kg/day are sensitive to this pesticide, as evidenced by their delay in the onset of puberty. Delayed pubertal onset in humans has been associated with low bone mass density (Ho and Kung 2005), and estrogen is necessary for bone mineral acquisition in both girls and boys (Yilmaz et al. 2005). Importantly, a […]

(Beyond Pesticides, September 19, 2008) Adding to the body of epidemiologic evidence linking pesticides to Parkinson’s Disease (PD), a recent study shows a correlation between 100 PD patients and the use of the pesticide rotenone. The study was conducted by physicians and researchers at The University of Texas Health Science Center at Tyler (UTHSCT) and an East Texas Medical Center physician.The study’s lead author is Aman Dhillon, MD, MS, assistant professor of occupational and environmental medicine at UTHSCT. Rotenone is highly toxic to fish and insects, but mildly toxic to warm-blooded animals and humans. It is made from the roots of tropical plants and is used in home gardens and in fisheries management to remove unwanted fish species, said Jeffrey Levin, MD, MSPH, chair of UTHSCT’s Department of Occupational Health Sciences. Dr. Levin is a co-author of the study, published recently in the peer-reviewed Journal of Agromedicine. A total of 184 people participated in the study: 100 had Parkinson’s disease and 84 did not, though they had other neurological disorders. All were patients of George M. Plotkin, MD, Ph.D., a neurologist with a special interest in Parkinson’s disease. Dr. Plotkin, medical director of the ETMC Movement Disorder Center, treats about […]

(Beyond Pesticides, September 17, 2008) A new study has found a link between total chemical contamination in the bodies of pregnant women and the risk of cryptorchidism in their male babies. Mothers whose babies were born with the defect had the highest concentrations of persistent organic pollutants (POPs), mostly organochlorines like PCB and DDE, in their breast milk. The study, entiltled “Cryptorchidism at birth in Nice area (France) is associated with higher prenatal exposure to PCBs and DDE, as assessed by colostrum concentrations,” and published in the journal Human Reproduction, compared prebirth exposure to chemicals, as measured through their mother’s milk, and the risk of undescended testicles or cryptorchidism, during a three-year period. 164 mother/infant pairs were used and within 3-5 days of delivery, the researchers collected samples of colostrums, or “first milk” from the mother. Colostrum is a form of breast milk that is produced late in pregnancy and immediately after birth before the more creamy milk comes in. It is used as a proxy for what was circulating in the mother’s body and in her fetus during pregnancy. The colostrum was analyzed for three different chemical pollutants including seven polychlorinated biphenyls (PCBs), dichloro-diphenyl-trichloro-ethylene (DDE) and dibutyl phthalate (DBP). […]

(Beyond Pesticides, September 10, 2008) Following the report released by the National Marine Fisheries Service that identified 37 pesticides that pose risks to salmon and steelhead, Oregon state officials are moving ahead to set new safety benchmarks for seven pesticides of priority concern. A team from the Oregon Water Quality Pesticide Management Program identified seven priority hazardous pesticides: azinphos-methyl, chlorpyrifos, dacthal, diazinon, endosulfan, simazine and ethoprop, based on water-quality monitoring in five Oregon watersheds, including the Pudding River near Salem, as well as the Clackamas, Yamhill, Hood and Walla Walla watersheds. Three pesticides, azinphos-methyl, diazinon and chlorpyrifos have been detected at concentrations that exceed federal aquatic criteria in the Clackamas River Basin (See report here). Chlorpyrifos was detected at maximum levels more than twice the federal standard. The National Marine Fisheries Service report on the ecological damage associated with pesticide use reveals “overwhelming evidence” to suggest that 37 pesticides, including these seven, increase the chance of extinction for protected salmon and steelhead. The state is now turning to its own team of experts to set stringent benchmarks based on existing research on these chemicals of concern. Generally the U.S. Environmental Protection Agency (EPA) is charged with developing water quality standards […]

(Beyond Pesticides, September 8, 2008) Inorganic arsenic may increase the risk of developing type 2 diabetes, according to a study published in the Journal of the American Medical Association by researchers at the Johns Hopkins Bloomberg School of Public Health. Common sources of inorganic arsenic exposure include dietary exposure, drinking water pollution, and contamination associated with arsenic wood preservatives such as sawdust, smoke, direct contact, and hazardous waste sites. The study found that individuals with diabetes have higher levels of arsenic in the urine compared to individuals without diabetes. Researchers examined randomly selected urine samples taken from 788 U.S. adults 20 years or older that participated in a 2003-2004 National Health and Nutrition Examination Survey. The results were adjusted for diabetes risk factors, including body mass index and for organic arsenic compounds found in seafood. “Our findings suggest that low levels of exposure to inorganic arsenic may play a role in diabetes,” said Ana Navas-Acien, MD, PhD, lead author of the study and assistant professor with the Bloomberg School’s Department of Environmental Health Sciences. “While prospective studies are needed to establish whether this association is causal, these findings add to the existing concerns about the long-term health consequences of low […]

(Beyond Pesticides, September 5, 2008) On the night of August 28, a pesticide waste tank exploded at Bayer’s Institute, West Virginia plant. One worker was killed, another injured, and the blast was heard in Mink Shoals, more than ten miles away. Despite individual accounts of the resulting air pollution, Bayer officials assured the public that no chemicals had escaped the plant. An investigation of Bayer’s safety history and the area’s emergency response reveals a shaky safety record.. The tank involved in the explosion contained waste products from the production of Bayer’s insecticide, thiodicarb, which is banned in the European Union. Included in those were methyl isobutyl ketone (MIBK), hexane, methomyl, and dimethyl disulfide, all of which are acutely toxic to humans. According to chief of homeland security and emergency response for the state Department of Environmental Protection, Mike Dorsey, “The thing that blew up was the least dangerous of the stuff that’s there.” Jeannie Young, who lives near the plant, said that following the blast, “My daughter and I have headaches.” When taking her dogs outside half an hour following the explosion, “They acted really funny. They wanted to come right back in the house.” In spite of a noticeable […]

(Beyond Pesticides, September 2, 2008) In new research findings by a Pennsylvania State University team, honey bees are exposed to a wide variety of pesticides outside of their hives. Add the outside assault to the pesticides already in the waxy structure of the hive, and bee researchers see a problem difficult to evaluate. However, an innovative approach may mitigate at least some beeswax contamination. The researchers presented their analysis of pollen, brood, adult bees and wax samples on August 18 at the 236th national American Chemical Society meeting in Philadelphia. Those results show unprecedented levels of fluvalinate and coumaphos – pesticides used in the hives to combat varroa mites – in all comb and foundation wax samples. They also find lower levels of 70 other pesticides and metabolites of those pesticides in pollen and bees. “Everyone figured that the acaricides (anti-varroa mite chemicals) would be present in the wax because the wax is reprocessed to form the structure of the hives,” says Maryann Frazier, senior extension associate. “It was a bit of a shock to see the levels and the widespread presence of these pesticides.” While the researchers expected the presence of the chemicals available to treat varroa mites in […]

(Beyond Pesticides, August 28, 2008) The German Coalition Against Bayer Dangers has filed legal action in Germany against Bayer for its role in marketing insecticides that the coalition believes company officials knew were toxic to honey bees. The suit follows recent action by the Natural Resources Defense Council (NRDC) against the Environmental Protection Agency (EPA) to force the agency into compliance with its Freedom of Information Act request for scientific studies relating to clothianidin, one of the Bayer-manufactured pesticides tied to bee toxicity. In May, Germany suspended the approval of eight pesticides linked to a massive bee die-off. Six of the eight suspended are manufactured by Bayer, the other two by Syngenta. Two of the primary active ingredients of concern are clothianidin and imidacloprid, both in the neonicotinoid family of chemicals. They are systemic pesticides, meaning the chemical is incorporated into plant tissue and can therefore be present in pollen and nectar, which is of particular importance to bees. They also have long persistence in the soil and can be absorbed by multiple generations of crops, increasing the likelihood of exposure for bees. Attorney Harro Schultze, who represents the Coalition Against Bayer Dangers said, “The public prosecutor [in Germany] needs […]

(Beyond Pesticides, August 26, 2008) On August 20, 2008, the 9th U.S. Circuit Court of Appeals reversed a 2006 ruling by the U.S. District Court for the Eastern District of California (Sacramento) that required the state of California to establish limits on air pollution associated with pesticide use. The Appeals Court found that the lower court did not have jurisdiction to impose solutions under the Clean Air Act. According to the plaintiffs represented by the Center for Race, Poverty and the Environment (CPRE), an environmental justice litigation organization based in San Francisco, pesticides are the fourth largest source of smog-forming volatile organic compound (VOC) emissions in California’s San Joaquin Valley. Prior to 2005, the state did not regulate this source of pollution from the politically powerful agriculture industry, even though the state had made a promise to reduce VOC emissions from pesticides by 20% more than a decade earlier in its Ozone State Implementation Plan, a smog clean up plan adopted pursuant to the Clean Air Act. El Comité para el Bienestar de Earlimart and the Association of Irritated Residents, represented by CRPE, filed suit (El Comité para el Bienestar de Earlimart, et al. v. Warmerdam, et al.) in U.S. […]

(Beyond Pesticides, August 25, 2008) A recent study by Spanish researchers has found a connection between an ncreased risk of childhood obesity and exposure to the organochlorine pesticide and contaminant hexachlorobenzene (HCB) before birth. Entitled “Exposure to hexachlorobenzene during pregnancy increases the risk of overweight in children aged 6 years,” the article was published online by Acta Paediatrica at the end of July. Found as a contaminant in the wood preservative pentachlorophenol, widely used in the U.S., HCB is extremely persistent in the environment. The Environmental Protection Agency (EPA) says it “has been listed as a pollutant of concern to EPA’s Great Waters Program due to its persistence in the environment, potential to bioaccumulate, and toxicity to humans and the environment.” Researchers studied 405 infants in Menorca, Spain. They measured persistent organic pollutants (HCB, PCBs, p,p’-DDE, and p,p’-DDT) in their cord blood and then measured each child’s height and weight at 6.5 years of age. “Overweight” was defined as the 85 percentile or higher on the US National Center for Health Statistics/WHO reference body mass index (BMI). They also took into account information about the mothers, such as age, education, socio-economic status, smoking, alcohol use, weight, and diet. All 405 […]

(Beyond Pesticides, August 22, 2008) The Environmental Protection Agency (EPA) is accepting comments on letters sent from the Pesticide Action Network North America (PANNA) and Natural Resources Defense Council (NRDC) requesting that EPA revoke all tolerances for the toxic pesticide endosulfan. In addition, EPA is accepting information on endosulfan residues on commodities consumed by Alaskan natives. PANNA’s August 12 letter stated: “We are particularly concerned about the effects of endosulfan on prenatal and child development. Peer-reviewed science demonstrates that endosulfan is both an endocrine disruptor and a neurotoxicant.” The letter followed up on a February 2008 petition signed by 13,300 people across the country, a legal petition filed by the National Resources Defense Council that same month, three letters sent to the Agency on May 19, 2008 signed by 111 nonprofit environmental groups, 55 scientists, and 5 coalitions of Indigenous groups and tribes, and a lawsuit filed on behalf of PAN, environmental and farmworker groups on July 24. “Endosulfan poses a threat to the health of children in the U.S.,” the letter concluded. “This antiquated DDT-era organochlorine has already been phased out of agriculture in the European Union and at least 20 other countries. It is high time for the […]

(Beyond Pesticides, August 20, 2008) The Natural Resources Defense Council (NRDC) filed a lawsuit on Monday to uncover critical information that the U.S. government is withholding about the risks posed by pesticides to honey bees. NRDC legal experts and a leading bee researcher are convinced that the U.S. Environmental Protection Agency (EPA) has evidence of connections between pesticides and the mysterious honey bee die-offs reported across the country. The phenomenon has come to be called “colony collapse disorder,” or CCD, and it is already proving to have disastrous consequences for American agriculture and the $15 billion worth of crops pollinated by bees every year. EPA has failed to respond to NRDC’s Freedom of Information Act request for agency records concerning the toxicity of pesticides to bees, forcing the legal action. “Recently approved pesticides have been implicated in massive bee die-offs and are the focus of increasing scientific scrutiny,” said NRDC Senior Attorney Aaron Colangelo. “EPA should be evaluating the risks to bees before approving new pesticides, but now refuses to tell the public what it knows. Pesticide restrictions might be at the heart of the solution to this growing crisis, so why hide the information they should be using to […]

(Beyond Pesticides, August 19, 2008) Three toxic pesticides used heavily in the United States ”” chlorpyrifos, diazinon, and malathion ”” harm children and farmworkers, poison wildlife, and taint food and drinking water, and despite well-documented hazards, the Environmental Protection Agency (EPA) allows homeowners, farmers and others to use these poisons in ways that harm salmon and steelhead. Coupled with public pressure, a recent scientific analysis from the National Marine Fisheries Service (NMFS) could force EPA to adopt new restrictions on the use of these pesticides in the Pacific Northwest and California. In a draft study — called a “biological opinion” — released on July 31, 2008, NMFS concluded that chlorpyrifos, diazinon, and malathion are contaminating rivers and streams jeopardizing protected salmon and steelhead. Please urge NMFS and EPA to adopt strong measures to protect Pacific salmon from these poisons. It is their responsibility under the Endangered Species Act. Please send an email addressed to both: Jim Lecky Director of Office of Protected Resources, NMFS [email protected] James Gulliford Assistant Administrator, US EPA Headquarters [email protected] You can be sure that chemical companies are working to ensure the unabated use of their products. Make sure the voice of the public is heard. Harmful […]

(Beyond Pesticides, August 14, 2008) The first report released by the National Marine Fisheries Service (NMFS) as a result of a lawsuit (NCAP et al. v. NMFS, No. 07-1791 RSL) settlement reveal “overwhelming evidence” to suggest that the pesticides chlorpyrifos, malathion, and diazinon increase the chance of extinction for protected salmon and steelhead. The report on the three pesticides and their effects on threatened fish is the first in what is expected to be a four year review process of 37 pesticides. “These are pesticides that EPA [the Environmental Protection Agency] has swept under the rug for years. These are three that stood out as the nastiest of the (pesticides) that are still in widespread use,” said Joshua Osborne-Klein, an attorney for Earthjustice who represented the plaintiff, Northwest Coalition for Alternatives to Pesticides (NCAP). The 377-page report is clear in its conclusion that current use patterns of these three toxic pesticides threaten the salmon and steelhead protected by the Endangered Species Act, but it does not delineate the next steps to reduce the risk. A report on mitigation measures, which could include restrictions or bans, is expected in the next few months. The timing of the report coincides with other […]

(Beyond Pesticides, August 8, 2008) University of California Davis Cancer Center physicians recently released results of research showing that Vietnam War veterans exposed to Agent Orange have greatly increased risks of prostate cancer and even greater risks of getting the most aggressive form of the disease as compared to those who were not exposed. The findings, which appear online now and will be published in the September 15 issue of the journal Cancer, are the first to reliably link the herbicide with this form of cancer by studying a large population of men in their 60s and the prostate-specific antigen (PSA) test to screen for the disease. “While others have linked Agent Orange to cancers such as soft-tissue sarcomas, Hodgkin’s disease and non-Hodgkin’s lymphoma, there is limited evidence so far associating it with prostate cancer,” said Karim Chamie, lead author of the study and resident physician with the UC Davis Department of Urology and the VA Northern California Health Care System. “Here we report on the largest study to date of Vietnam War veterans exposed to Agent Orange and the incidence of prostate cancer.” Chamie also said that, unlike previous studies that were either too small or conducted on men […]

(Beyond Pesticides, August 4, 2008) According to a new Center for Public Integrity investigation, Perils of the New Pesticides, pyrethrins and pyrethroids were responsible for more than 26 percent of all major and moderate human incidents involving pesticides in the United States in 2007, up from just 15 percent in 1998 ”” a 67 percent increase. This is based on an analysis of adverse reaction reports filed with the Environmental Protection Agency by pesticide manufacturers. As a result of the Center’s investigation, the director of the EPA’s Office of Pesticide Programs said the agency would begin a broad study of the human health effects of these chemicals this year. “The alarming rise of pesticide-related incidents attributed to pyrethrin and pyrethroid affiliated products is a serious concern for the millions of households that use them,” said Center Executive Director Bill Buzenberg. “The Center for Public Integrity uncovered this public safety issue through more than a dozen Freedom of Information Act requests and crunching the data. This should be basic public information if the EPA were doing its job.” Data from the American Association of Poison Control Centers reveals a similar trend that supports the EPA data analyzed by the Center. The […]

(Beyond Pesticides, August 1, 2008) The Oregon Department of Agriculture has released the 2007 Pesticide Use Reporting System (PURS) annual report, summarizing data collected last year -making it the first report to include information from a mandatory electronic reporting of pesticide use statewide. The requirement to report online applies to anyone using a registered pesticide or pest control product in the course of business, for a government entity, or in a public place. The 2007 annual report also includes data from a household pesticide use survey. The release comes nine years after being authorized by the state legislature, due to debate over funding and scope of the report. The required reporting is also set to expire in 2009, requiring activists to lobby for continuation of the program. For 2007, there were 5,732 reporters who filed 284,984 reports of pesticide use into PURS. The reports identified 551 active ingredients used statewide last year. The most used active ingredient, by pounds, was the soil fumigant metam-sodium (42 percent of total pounds reported), which is often used before planting potatoes to kill most soil life. The next two most commonly used active ingredients were the herbicide glyphosate (9 percent), and copper naphthenate (7 […]

(Beyond Pesticides, July 31, 2008) The Third International Biofumigation Symposium took place in Australia July 21-25, 2008, highlighting new scientific advancements in the age old practice of planting crops in the brassica family (radish, mustard, etc.) prior to growing other crops to control diseases, insects, and weeds. Research in this area reveals that in many cases, “biofumigation,” as it is called, provides disease and pest control comparable to that of pesticides commonly used as soil fumigants, and does not have the negative health and environmental effects associated with these fumigants. Growing interest in biofumigation is spurred by the international phase-out of the toxic soil fumigant methyl bromide (for its role in ozone depletion) under the Montreal Protocol. Unfortunately, even though the environmental and health risks of methyl bromide and other soil fumigants have been documented, and non-toxic alternatives such as biofumigation exist, the U.S. Environmental Protection Agency (EPA) has essentially ignored the Montreal Protocol and continued to allow the use of methyl bromide under “exemptions.” In the most recent EPA action on the subject, the agency released proposed rules and risk mitigation measures for five toxic soil fumigants on July 10, 2008. These rules fall short of the hopes of […]

(Beyond Pesticides, July 29, 2008) On July 28, 2008, a coalition of farmworker, public health, and environmental groups -including Beyond Pesticides- filed a lawsuit challenging the Environmental Protection Agency’s (EPA) decision to allow continued use of the toxic pesticide diazinon. “The lack of action on diazinon is yet another example of EPA’s failure to fully consider the risks to farmworkers, children, and the environment from pesticides,” said Jay Feldman, executive director of Beyond Pesticides. The lawsuit is part of the coalition’s multi-year campaign to protect children, farmworkers, and wildlife from the most dangerous pesticides and to reform EPA’s lackadaisical regulation of public and environmental health. The coalition has filed a series of lawsuits targeted at the worst poisons on the market: diazinon is near the top of that list. “EPA’s system for protecting the public from the dangers of pesticides like diazinon is broken,” said Joshua Osborne-Klein, an attorney for Earthjustice, the public interest law firm that represents the coalition. “The agency should be protecting farmworkers and children, not the profits of pesticide manufacturers.” Diazinon is an organophosphate pesticide that originates from nerve gases the Nazis developed during World War II. Farmworkers who are exposed to diazinon can suffer muscle […]

(Beyond Pesticides, July 28, 2008) The U.S. Environmental Protection Agency (EPA) has announced a proposed decision that residues of carbofuran, a toxic pesticide that is used on a variety of crops, will no longer be allowed on food. This effectively means that carbofuran will have to be removed from the U.S. market, benefiting consumers and farmworkers, as well as birds, which are frequently poisoned by the deadly chemical. EPA has concluded that dietary, worker, and ecological risks are of concern for all uses of carbofuran. According to EPA’s website, all products containing carbofuran generally cause unreasonable adverse effects on humans and the environment and do not meet safety standards, and therefore are ineligible for reregistration. The agency says the notice, which is available now online, will be published in the Federal Register for a 60-day public comment period on July 30, 2008. “This is a huge victory for the environment. EPA is to be congratulated for taking such decisive action to eliminate the dangers posed by carbofuran,” said Dr. Michael Fry, American Bird Conservancy’s Director of Conservation Advocacy. “This decision is based on overwhelming scientific evidence and sends a clear signal to manufacturers that it doesn’t pay to fight the […]

(Beyond Pesticides, July 25, 2008) San Francisco, California —  On July 24, 2008,  a broad coalition of farmworker, public health, and environmental groups filed a lawsuit against the Environmental Protection Agency (EPA) to stop the continued use of a hazardous pesticide called endosulfan. The coalition is demanding action from EPA to protect children, farmworkers, and endangered species. Endosulfan is an organochlorine, part of the same family of chemicals as DDT, which EPA banned in 1972. Like other organochlorine pesticides, endosulfan is persistent in the environment and poisons humans and wildlife both in agricultural areas and in regions far from where it was applied. “This dangerous and antiquated pesticide should have been off the market years ago,” said Karl Tupper, a staff scientist with Pesticide Action Network. “The fact that EPA is still allowing the use of a chemical this harmful shows just how broken our regulatory system is.” Acute poisoning from endosulfan can cause headaches, nausea, vomiting, convulsions, and in extreme cases, unconsciousness and even death. Studies have linked endosulfan to smaller testicles, lower sperm production, and an increase in the risk of miscarriages. One glaring omission in the EPA’s decision is its failure to consider risks to children. A […]

(Beyond Pesticides, July 23, 2008) Aerial spraying for West Nile virus (WNv) over urban areas of Sacramento County, California has been halted for one week, after three days of spraying, in order to determine the success of the treatment. The results from a series of before-and-after mosquito trapping, dead bird testing and testing for infected mosquitoes are expected to take one week to complete before it is determined whether spraying should continue. The Sacramento-Yolo Mosquito and Vector Control District is hoping that previous treatments were successful in reducing infected mosquitoes and that it will not need to do more aerial spraying this season. Assistant manager, Gary Goodman, indicated that the possibility of continued spraying remains uncertain, as new data from dead bird testing, mosquito trap analyses and from human cases become available. To combat WNv, the Sacramento-Yolo district has sprayed the pesticide, Evergreen Crop Protection EC 60-6T (which contains pyrethrins) over selected urban areas. Spraying for mosquitoes over urban areas of the county started in 2005, even though aerial sprayings over agricultural fields and from the ground using trucks or hand crews have occurred for a long time. In 2005 however, WNv began spreading broadly in northern California, and Sacramento […]

(Beyond Pesticides, July 17, 2008) In a new study published in Environmental Health Perspectives, researchers have found an increased occurrence of intersex toads in areas with greater agricultural land cover. This points to a link between certain pesticides and endocrine disruption, a change in the hormonal balance that can have sexual and reproductive effects. Such results implicate pesticides in the decline of amphibian populations, and suggests that these chemicals are also adversely affecting humans. The study, which was conducted in south Florida, looked at cane toads, Bufo marinus, at five sites with differing land use patterns ranging from suburban to nearly completely agricultural (primarily sugarcane and vegetables). Researchers examined physical characteristics such as coloration, sexual organs, and forelimb length, as well as hormone concentrations, and found a higher rate of feminization for toads in agricultural areas. In these areas, glyphosate (the active ingredient in Round Up herbicide) and atrazine (an herbicide) use is common. Tyrone Hayes, PhD, was one of the first to document the endocrine disrupting effects of atrazine on frogs in a laboratory setting. Countering any doubts of why this work is important, Dr. Hayes said, “People often say, ”˜It is just frogs, so who cares?’ Well it […]