Chlorpyrifos Protects

EPA Denial of Chlorpyrifos Ban Sets Pro-Science Precedent

08/10/2017 -“EPA Administrator Scott Pruitt’s action in denying the petition to effectively ban chlorpyrifos was clearly a defense of sound science, halting an activist-driven effort to use junk science in order to justify an unwarranted chemical ban."

U.S. EPA Denies Activist Petition and Retains all Chlorpyrifos Tolerances

03/29/2017 -In its release today, the U.S. Environmental Protection Agency (EPA) announced that it would not proceed forward at this time with any restrictions for chlorpyrifos or changes to U.S. tolerances, and that in doing so it was rejecting a petition from activist groups which had sought a ban on all food crop uses of the product.

Dow AgroSciences, U.S. Farmers Disagree with U.S. EPA Proposal to Revoke Chlorpyrifos Tolerances

11/10/2016 -In its release today of a pre-publication copy of the Notice of Data Availability (NODA) related to its assessment of the human health risks associated with the insecticide chlorpyrifos, the U.S. Environmental Protection Agency (EPA) took another step toward finalizing its proposal to revoke all food tolerances for this critical tool for U.S. agriculture.

Stakeholders Provide Feedback for US EPA’s Draft Biological Evaluations for Endangered Species

6/13/2016 - During June of 2016, Dow AgroSciences, CropLife America, and many other stakeholders submitted comments to U.S. EPA concerning ...

Objections Voiced by EPA SAP to Use of “Single Study” Epidemiology Data in Setting Chlorpyrifos Health and Safety Standards

04/28/2016 -Dow AgroSciences appreciated the opportunity to observe and participate in EPA’s recent Scientific Advisory Panel (SAP) proceedings on the use of epidemiology data in setting health and safety standards for the regulation of chlorpyrifos and other insecticides in the future....

Dow AgroSciences Statement Concerning US EPA’s Announcement of Proposed Future Chlorpyrifos Tolerance (MRL) Changes

04/25/2016 (updated) -On October 30, 2015, U.S. EPA announced that they were partially granting an NGO petition and would soon open a public comment period on a proposed withdrawal of all U.S. food tolerances (MRLs) for the insecticide chlorpyrifos-ethyl. ....

Chlorpyrifos Benefits Highlighted by U.S. Dept. of Agriculture, Academia, and Industry Groups

03/18/2016 -The U.S. Department of Agriculture, major research and extension universities, and industry groups have provided EPA with extensive information concerning the benefits and importance of chlorpyrifos...

Dow AgroSciences Statement Concerning US EPA’s Announcement of Proposed Future Chlorpyrifos Tolerance (MRL) Changes

10/30/2015 -On October 30, 2015, U.S. EPA announced that they are partially granting an NGO petition and will open a public comment period on a proposed withdrawal of all U.S. food tolerances (MRLs) for the insecticide, chlorpyrifos-ethyl....

Chlorpyrifos Celebrates its 50th Year

9/28/2015 - Some fifty years after its commercial introduction, chlorpyrifos continues to be one of the most widely-used active ingredients for agricultural insect control in the world. First registered in the U.S. in September 1965...

EPA Concludes Chlorpyrifos Poses no Endocrine Disruption Risks

7/01/2015 - Following review of a battery of new studies and completion of a “weight of evidence” assessment, EPA has concluded that chlorpyrifos poses no endocrine disruption risks and is recommending no further testing...

EPA's Most Recent Status Report to the Ninth Circuit Court of Appeals on Its Progress in Responding to Acitvist Petition

6/30/2015 -On June 30, 2015, the U.S. Environmental Protection Agency (EPA) filed a status report with the Ninth Circuit Court of Appeals describing the Agency’s plans to respond to an activist petition filed in 2007 seeking the cancellation of chlorpyrifos registrations ...

EPA Revised Human Health Assessment Published for Comments

1/14/2015 -Today EPA published in the Federal Register, the notice of availability of the revised human health assessment for chlorpyrifos and the opening of the docket for a 60-day public comment period...

CA DPR Opens Comment Period for State Restricted Material Classification for Chlorpyrifos

10/06/2014 - The California Department of Pesticide Regulation (DPR) has opened a 45-day comment period (until 5:00 p.m. on November 12, 2014) for stakeholder input on a proposal to make chlorpyrifos a State Restricted Material. ...

EPA Rejects Call For Interim Buffer Zones for Organophosphates, Other Pesticides

4/01/2014 - Reaffirming a commitment to “case-by-case chemical-specific risk assessment,” EPA has rejected (March 2014) a petition filed by pesticide opponents calling for interim buffer zones for entire classes of pesticides in order to further limit potential bystander exposure to airborne off-target movement while the Agency is completing its assessments on individual organophosphate...

New Study on Bee Larvae Diet Does Not Reflect Real-World Pesticide Exposures

2/14/2014 -Why honey bee colonies are reportedly disappearing in the U.S. and Europe at faster rates today than previously is a question increasingly being asked. Every month, new reports emerge advancing theories on why this phenomenon – popularly known as colony collapse disorder – seems to be occurring. ...

Chlorpyrifos Weight of the Evidence Shows No Potential for Endocrine-Mediated Effects

6/14/2013 -Chlorpyrifos has “no potential to interact with the endocrine system,” particularly in light of current authorized uses, according to a recently published, peer-reviewed, weight of the evidence evaluation of all relevant studies. The report considers an 11-assay battery of tests designed by EPA...

Court Sets Aside BiOp, Finds Proposed Salmon-Related Restrictions “Arbitrary and Capricious”

3/13/2013 - In February 2013, the U.S. Fourth Circuit Court of Appeals vacated a federal agency’s call for new salmon-related restrictions on chlorpyrifos and two other pesticides under the Endangered Species Act (ESA), deeming the restrictions “arbitrary and capricious” and “not the product of reasoned decision-making...”

Chlorpyrifos and Bystander Exposure – EPA Seeking Input on Preliminary Assessment of Volatility and Bystander Exposure

2/11/2013 - As part of its ongoing pesticide regulatory review process, EPA has offered for public comment a preliminary risk assessment projecting a need for significantly increased buffer zones to protect bystanders from potential exposure to chlorpyrifos volatility arising from treated areas following product application...

EPA Announcement on Chlorpyrifos and Spray Drift

7/18/2012 - Dow AgroSciences acknowledges recent EPA actions reaffirming regulatory authorizations for the continued use of the insecticide chlorpyrifos in U.S. agriculture. In today’s actions, the Agency has rejected a number of key historical objections offered by pesticide opponents; clarified chlorpyrifos use relative to the potential for bystander exposure; and reaffirmed EPA’s long-standing commitment to transparent, science-based regulatory policies in requiring weight-of-the-evidence evaluations to address inconsistencies in the findings of epidemiology and animal research...

Perspective – Recent Claims About Links Between Chlorpyrifos and Brain Anomalies

5/4/2012 - Dow AgroSciences is evaluating closely a recent publication by Columbia University researchers claiming to have noted links between prenatal chlorpyrifos exposure and subtle changes in brain development (Proceedings of the National Academy of Sciences, published ahead of print, April 30, 2012). The study focuses on differences in MRI scans between two groups of 20 children that the study authors believe had “high” vs. “low” prenatal chlorpyrifos exposure...

EPA to Convene New Scientific Advisory Panel Review of Chlorpyrifos

3/26/2012 - As part of the ongoing Registration Review process for chlorpyrifos, EPA has announced that it will be convening a Scientific Advisory Panel (SAP) meeting during April 10-13 to seek expert guidance on the best way to integrate research findings for chlorpyrifos in a data-rich environment with studies conducted by different methods, in different fields (e.g., toxicology vs. epidemiology), for different purposes and with different limitations. Dow AgroSciences is encouraged that EPA is actively seeking to use the best available science in its evaluation of chlorpyrifos...

Agricultural Stakeholders Tell EPA Why They Need Chlorpyrifos Uses Retained

11/2/2011 - Continued access to the insecticide chlorpyrifos is important for successful production of a wide range of U.S. crops, according to public comments submitted by agricultural stakeholders on a preliminary EPA chlorpyrifos regulatory assessment released during July of 2011...

Dow AgroSciences Responds to EPA's Preliminary Chlorpyrifos Human Health Assessment

10/18/2011 - In a detailed, 900-page response to EPA’s preliminary chlorpyrifos human health assessment (submitted October 5), Dow AgroSciences notes significant areas in which the current EPA assessment represents an advance over past assessments of chlorpyrifos completed by the Agency -- as well as some areas for improvement...

Dow AgroSciences Offers a Brief Review of EPA’s Preliminary Chlorpyrifos Human Health Assessment

7/28/2011 - In its upcoming submission to the EPA docket, Dow AgroSciences will be responding in detail to all of the parts of the draft chlorpyrifos human health assessment that the Agency has posted thus far...

Dow AgroSciences Requests Extension of Public Comment Period for EPA Human Health Assessment of Chlorpyrifos

7/22/2011 - Dow AgroSciences (DAS) is requesting extension of the public comment period for the preliminary human health assessment for chlorpyrifos , which was recently released by EPA as part of its Registration Review program. This opened a 60-day public comment period on the preliminary human health risk assessment which will close on September 6, 2011...

EPA Human Health Assessment of Chlorpyrifos to be Released July 1

7/1/2011 - EPA is expected to post a preliminary human health assessment of chlorpyrifos on its Website by the end of Friday,  July 1. This is the first full human health assessment for a pesticide to be completed under EPA’s Registration Review program, which was first initiated for chlorpyrifos in 2009 and which is expected to conclude in 2015...

Weight of the Science Offers Little Basis for Links Between OP Exposure and Reduced IQ

4/29/2011 - Three epidemiological papers were published April 21 claiming prenatal or early exposure to organophosphate pesticides are associated with adverse affects on children’s cognitive development. Despite media attention to the three recent publications, the weight of the scientific evidence from decades of research offers little support for claims that exposures of pregnant women to organophosphate pesticides (OPs) could lead to their children having reduced scores on IQ or developmental tests...

Court Calls for Judicial Review of Agency's Biological Opinion for Salmon

3/2/2011 - A highly controversial National Marine Fisheries Service (NMFS) assessment concluding that farmers in California and the Pacific Northwest need to adopt stringent new restrictions in order to protect salmon from exposure to pesticides will now undergo judicial review, based on a recent ruling by the U.S. Court of Appeals for the Fourth Circuit...

EPA Science Advisory Panel to Use Chlorpyrifos Data for Improving Health Risk Assessment Exposure Modeling

1/5/2011 - A panel of independent scientific advisors convened by EPA under the Federal Insecticide, Rodenticide and Fungicide Act is scheduled to meet in February to evaluate a new approach to health risk assessment, using data on chlorpyrifos as a case study. The new approach is believed to offer regulators more refined, more scientifically defensible risk assessments, thus reducing scientific uncertainties and potentially diminishing the use of extreme, worst-case assumptions in regulatory decision-making...

Response to PANNA’s renewed call for regulatory authorities to halt current uses of the insecticide chlorpyrifos

10/14/2010 - The perspectives of the Pesticide Action Network North America (PANNA) on pesticides, and on chlorpyrifos in particular, are well known and have been thoroughly evaluated by regulatory authorities in the past. The concerns raised in a letter to EPA Administrator Lisa Jackson, orchestrated by PANNA, are already being evaluated by EPA in the normal course of regulatory review...

EPA Seeks Public Comment on Industry Petition for Endangered Species Process Improvements

7/28/2010 - The U.S. EPA has asked for public comment on an industry petition calling for more transparent procedures in the establishment of pesticide use restrictions under the Endangered Species Act (ESA). Dow AgroSciences, Cheminova and Makhteshim-Agan of North America filed the petition in January 2010...

Perspective: Activists File Suit Against EPA Over Chlorpyrifos Registrations and Tolerances

7/23/2010 -Earthjustice announced Thursday, July 22, 2010, that the Natural Resources Defense Council and the Pesticide Action Network have filed suit against EPA in an attempt to force a court-ordered response to their 2007 petition to the Agency to take regulatory action against the insecticide chlorpyrifos. The following offers Dow AgroSciences’ perspective on that action...

Impasse Reached on West Coast Endangered Species Act Restrictions

05/10/2010 - Four crop protection product manufacturers – Dow AgroSciences, Makhteshim-Agan of North America, Cheminova and Gharda Chemicals Ltd. – advised EPA on Friday, May 7, 2010, that they would not voluntarily agree to new restrictions based on a National Marine Fisheries Service (NMFS) assessment on the use of the insecticides chlorpyrifos, diazinon and malathion in the Western U.S.

CropLife America and Three Registrants Give Notice That They Are Prepared to Sue EPA Over Endangered Species Act Restrictions

04/16/2010 - CropLife America and three pesticide registrants – Cheminova, Inc.; Dow AgroSciences; and Makhteshim Agan of North America – have filed notice that they are prepared to sue the U.S. Environmental Protection Agency (EPA) over its failure to fulfill its statutory obligations under the Federal Insecticide, Fungicide and Rodenticide Act (FIFRA) and the Endangered Species Act (ESA), specifically as it relates to salmon habitat in the western U.S.

From Capitol Press: States Weigh in on EPA’s No-spray Buffers

03/21/2010 - The directors of Washington and Oregon state agriculture departments have made it very clear to the EPA that the agency has not been diligent about following the dictates of the Endangered Species Act where it concerns impact to the agricultural industry...

Dow AgroSciences, Makhteshim-Agan and Cheminova Petition EPA to Consider Ag Stakeholder Input on Endangered Species Restrictions

01/20/2010 - Three crop protection product manufacturers – Dow AgroSciences, Makhteshim-Agan of North America and Cheminova – have filed a petition calling on EPA to adopt transparent procedures allowing public notice and comment on Endangered Species Act decisions. The petition is prompted by the essentially ad hoc process that EPA is currently using to impose label amendments and county-specific restrictions related to salmon in more than 112 million acres of key agricultural and timber production areas of Washington, Oregon, Idaho and California...