What Others Are Saying EPA recommends atrazine re-registration
"The Agency has determined that atrazine products are eligible for reregistration…"
US Environmental Protection Agency
Revised Atrazine Interim Re-registration Eligibility Decision
October 31, 2003
"Further we have concluded that during the period of data collection and risk mitigation measures called for in this document, the benefits of continued use of atrazine will outweigh any potential ecological risk."
US Environmental Protection Agency
Revised Atrazine Interim Re-registration Eligibility Decision
October 31, 2003
EU science review is favorable
"It is expected that the use of atrazine…will not have any harmful effects on human or animal health or any unacceptable effects on the environment."
Scientific Committee on Plants, United Kingdom, 1996
Comment from a science review conducted for the European Union
Atrazine is not related to cancer
Atrazine is "not classifiable as to carcinogenicity to humans."
World Health Organization,
International Agency for Research on Cancer, 1998
"EPA concludes that atrazine is ‘not likely to be a human carcinogen.’"
US Environmental Protection Agency
Revised Atrazine Interim Re-registration Eligibility Decision,
October 31, 2003
"…the epidemiological data provided support for the absence of a carcinogenic potential for atrazine."
Australian Pesticides & Veterinary Medicines Authority, 2004
"We found no associations between cancer incidence and atrazine exposure...."
Agricultural Health Study, 2004
Conducted by National Cancer Institute, University of Iowa, Centers for Public Health Research & Evaluation, US EPA, National Institute for Environmental Health Sciences, IMS Inc.
Data show no association between atrazine exposure and prostate cancer.
Agricultural Health Study, 2003
Conducted by National Cancer Institute, University of Iowa, Centers for Public Health Research & Evaluation, US EPA, National Institute for Environmental Health Sciences, IMS Inc.
"These and other additional analysis did not support a finding of association between prostate cancer and atrazine exposure."
US EPA, 2004, in evaluating a study conducted with workers at an atrazine manufacturing plant.
Data show no association between atrazine exposure and breast cancer.
Agricultural Health Study, 2005
Conducted by National Cancer Institute, University of Iowa, Centers for Public Health Research & Evaluation, US EPA, National Institute for Environmental Health Sciences, IMS Inc.
"The Meeting concluded that atrazine is not likely to pose a carcinogenic risk to humans."
"Pesticide residues in food 2007"
Report of the Joint Meeting of the FAO Panel of Experts on Pesticide Residues in Food and the Environment and the WHO Core Assessment Group on Pesticide Residues, Geneva, Switzerland, 18–27 September 2007
Research does not support the claim that atrazine is an endocrine disruptor in humans
"Atrazine is unlikely to be an endocrine disruptor in humans based on the known mechanism of action in Sprague Dawley rats."
Australian Pesticides & Veterinary Medicines Authority, 2004
"EPA does not agree that available frog research emphatically shows the effects of atrazine on the frog endocrine system and thus the likelihood of similar outcomes in humans."
Anne Lindsay, Deputy Director, Office of Pesticide Programs
US Environmental Protection Agency, March 2005
Fish, reptiles & birds?
Fish: No reproductive effects at long durations (life cycle) and environmentally relevant concentrations.
Macek, 1976, and Dionne, 1995
Alligators: No effect on sex ratio with direct exposure to nested eggs.
Gross, 1999
Birds: Standard EPA reproduction studies show no effects on eggs, embryos, hatching success & survival at exposures higher than realistic exposures.
EPA Database
Frog deformities pre-date atrazine
"Our study demonstrates that endocrine disruption and intersexuality were present in cricket frogs long before the advent of atrazine."
Reeder et al., "Intersexuality and the Cricket Frog Decline: Historic and Geographic Trends," Environmental Health Perspectives, March 2005
No link between atrazine & frog deformities
"EPA has concluded that atrazine does not adversely affect amphibian gonadal development based on a thorough review of 19 laboratory and field studies, including studies submitted by the registrant and others in the public literature. At this time, EPA believes that no additional testing is warranted to address this issue."
"Furthermore, frog populations do not appear to be affected from season to season by exposure to atrazine, indicating that low level exposure in the environment is not likely to be having any long-term effects on amphibians."
"Atrazine final review report and regulatory decision: The reconsideration of the active constituent, registration of products containing Atrazine and approvals of their associated label"
Australian Pesticides & Veterinary Medicines Authority, March 2008
"…it is unlikely that atrazine is impacting adversely on populations of Australian amphibians at current levels of exposure."
"The issue of atrazine and amphibians should be revisited if these additional data demonstrate that atrazine may be likely to impact on frog populations at realistic levels of exposure, but such outcomes are not considered likely."
Australian Pesticides & Veterinary Medicines Authority, 2004
"Breeding pond adjacency to row crop agriculture, by itself, had little measurable effect on amphibian species richness or reproductive success in our study."
Knutson et al., 2004
USGS study on frogs in Minnesota
"There is not sufficient scientific evidence to indicate that atrazine consistently produces effects across the range of amphibian species examined."
US Environmental Protection Agency, May 2003
In a white paper submitted to the Scientific Advisory Panel
"The Panel agreed with this conclusion."
EPA Scientific Advisory Panel Report, August 2003
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