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Posted on October 01, 2020 by editor
This week's All Things Chemical™ Podcast will be of interest to readers of the Pesticide Law & Policy Blog®. A brief description of the episode written by Lynn L. Bergeson is below.
This week, I sat down with Jim Aidala, Senior Government Affairs Consultant at B&C and its consulting affiliate, The Acta Group. As a former Assistant Administrator in what is now the U.S. Environmental Protection Agency’s (EPA) Office of Chemical Safety and Pollution Prevention, Jim has a keen sense of how EPA prepares for and transitions to changes in Administrations. As we prepare for the November elections, we thought it would be good to check-in with Jim and get a sense of how our colleagues at EPA are faring. After reviewing key topics in the pesticide world, Jim walks us through how and when pesticide registrants and others in the commercial value chain can prepare for any forthcoming transition, consequential or otherwise. Jim discusses whether regulated entities can expect policy changes occasioned by a new Administration, regardless of who wins. Jim also addresses the implications of changes in the Supreme Court in light of Justice Ginsburg’s death. Jim’s insights in these areas is spot on and timely.
ALL MATERIALS IN THIS PODCAST ARE PROVIDED SOLELY FOR INFORMATIONAL AND ENTERTAINMENT PURPOSES. THE MATERIALS ARE NOT INTENDED TO CONSTITUTE LEGAL ADVICE OR THE PROVISION OF LEGAL SERVICES. ALL LEGAL QUESTIONS SHOULD BE ANSWERED DIRECTLY BY A LICENSED ATTORNEY PRACTICING IN THE APPLICABLE AREA OF LAW.
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Posted on July 19, 2019 by Lisa M. Campbell
By Lisa M. Campbell, Timothy D. Backstrom, James V. Aidala, and Lisa R. Burchi
On July 18, 2019, the U.S. Environmental Protection Agency (EPA) issued a pre-publication version of a Federal Register notice announcing a final order denying the Pesticide Action Network North America’s (PANNA) and the Natural Resources Defense Council’s (NRDC) 2007 Petition requesting that EPA revoke all tolerances and cancel all registrations for chlorpyrifos (Order). This Order constitutes final Agency action denying all of the Petitioners’ objections to EPA’s previous refusal to revoke the tolerances for chlorpyrifos. This Order also constitutes final administrative action concerning all parts of the 2007 Petition that were not previously addressed by EPA. Given the previous extensive chlorpyrifos litigation, this latest action by EPA will likely lead to further litigation challenging EPA’s decision to allow continued use of chlorpyrifos under the Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA) and the Federal Food, Drug, and Cosmetic Act (FFDCA).
The FIFRA registrations and related tolerances for chlorpyrifos have a complicated regulatory and legal history, as discussed in previous blogs available here.
EPA’s new Order denies objections made by PANNA and NRDC under the FFDCA to EPA’s March 29, 2017, order denying the request by PANNA and NRDC that EPA revoke all tolerances for chlorpyrifos and cancel all chlorpyrifos product registrations. In the Order, EPA begins by summarizing its prior responses to the 2007 Petition, in which EPA denied each of ten claims raised in support of the Petitioners’ request that EPA revoke all chlorpyrifos tolerances and cancel all chlorpyrifos registrations. The ten claims are:
- EPA has ignored genetic evidence of vulnerable populations.
- EPA has delayed a decision regarding endocrine disrupting effects.
- EPA has ignored data regarding cancer risks.
- EPA’s 2006 cumulative risk assessment (CRA) for the organophosphates misrepresented risks and failed to apply the Food Quality Protection Act (FQPA) 10X safety factor.
- EPA over-relied on registrant data.
- EPA has failed to address properly the exporting hazard in foreign countries from chlorpyrifos.
- EPA has failed to incorporate quantitatively data demonstrating long-lasting effects from early life exposure to chlorpyrifos in children.
- EPA has disregarded data demonstrating that there is no evidence of a safe level of exposure during pre-birth and early life stages.
- EPA has failed to cite or incorporate quantitatively studies and clinical reports suggesting potential adverse effects below 10 percent cholinesterase inhibition.
- EPA has failed to incorporate inhalation routes of exposure.
EPA’s Order next focuses on the June 2017 objections to the March 29, 2017, Denial Order that were filed by several public interest groups and states. The three main objections, and EPA’s response, are as follows:
- Claims Regarding the Legal Standard for Reviewing Petitions to Revoke: Objectors assert that EPA’s Denial Order applied the wrong legal standard. Objectors assert that neither “scientific uncertainty” nor the October 2022 deadline for registration review under FIFRA Section 3(g), nor the widespread agricultural use of chlorpyrifos, provide a basis for denying petitions to revoke. Objectors claim that EPA has unlawfully left chlorpyrifos tolerances in place without making the safety finding required by the FFDCA.
- EPA Response: In its Order, EPA denies the objections related to Petitioners’ claims regarding neurodevelopmental toxicity, stating that the objections and the underlying Petition are not supported by valid, complete, and reliable evidence sufficient to meet the Petitioners’ burden under the FFDCA, as set forth in EPA’s implementing regulations. Specifically, EPA states that Objectors have not met their regulatory burden to provide “reasonable grounds” for revocation, including an assertion of facts to justify the modification or revocation of the tolerance (40 C.F.R. § 180.32(b)) or the initial evidentiary burden for persons seeking revocation to come forward with sufficient evidence to show that pesticide tolerances to be modified or revoked are not safe. After summarizing its review of available epidemiologic data, including feedback from the 2012 and 2016 FIFRA Scientific Advisory Panel (SAP) meetings, EPA states that “the epidemiologic studies are central to the Petitioner’s claims regarding neurodevelopmental effects, yet the Petitioners and Objectors rely only on summaries in publications to present their case. Petitioners have not presented the raw data from the epidemiology studies for consideration of their claims.” EPA “concludes that the information yet presented by Petitioners is not sufficiently valid, complete, and reliable to support abandoning the use of AChE inhibition as the critical effect for regulatory purposes under the FFDCA section 408” and also that Petitioners have “failed to meet their initial burden of providing sufficiently valid, complete, and reliable evidence that neurodevelopmental effects may be occurring at levels below EPA’s current regulatory standard and no information submitted with the objections addresses this shortcoming of the Petition.”
- Objections Asserting that EPA Has Found Chlorpyrifos to Be Unsafe: Objectors assert that EPA has previously found that chlorpyrifos tolerances are unsafe and has not disavowed those findings. Specifically, they claim that EPA has found that chlorpyrifos results in unsafe drinking water exposures and results in adverse neurodevelopmental effects to children and that EPA must therefore revoke the tolerances.
- EPA Response: EPA denies making any regulatory findings that chlorpyrifos tolerances are not safe, stating that its statements in its 2015 proposed tolerance revocation was not a final action. EPA states: “Proposed rules are just that -- proposals; they do not bind federal agencies. Indeed, EPA made clear it was issuing the proposal because of the court order, without having resolved many of the issues critical to EPA’s FFDCA determination and without having fully considered comments previously submitted to the Agency.” Regarding those objections related to drinking water, EPA states that since the Petition did not identify drinking water exposure as a basis for seeking tolerance revocation, the Objectors cannot now raise that concern as a basis for challenging EPA’s denial of the Petition. EPA also states: “The mere fact that EPA is considering the potential impact of chlorpyrifos exposures in drinking water in the Agency’s FIFRA section 3(g) registration review does not somehow provide Petitioners and Objectors with a vehicle for introducing that topic in the objections process on the Petition denial.” EPA instead will continue its FIFRA Section 3(g) registration review and complete its evaluation of drinking water exposures to chlorpyrifos, and address these issues in its upcoming registration review decision.
- Objections Asserting that the Denial Order Failed to Respond to Significant Concerns Raised in Comments: Objectors argue that EPA’s Denial Order committed a procedural error by failing to address significant concerns raised in the comments on EPA’s 2014 risk assessment and 2015 proposed revocation that EPA’s assessment fails to protect children. In particular, the Objectors focus on concerns raised in comments asserting that (1) EPA’s use of 10 percemt cholinesterase as a regulatory standard is not protective for effects to children’s developing brains; (2) EPA has not properly accounted for effects from inhalation of chlorpyrifos from spray drift and volatilization; and (3) EPA inappropriately used the Corteva physiologically based pharmacokinetic (PBPK) model to reduce inter- and intra-species safety factors because the model is ethically and scientifically deficient.
- EPA Response: EPA denies the objections claiming procedural error, stating it “has no obligation to respond to rulemaking comments in denying the Petition or responding to objections, both of which are adjudicatory actions that are not part of the rulemaking process. EPA also restated its prior response to the Petition that the “objections fail to meet burden of presenting evidence sufficiently valid, complete and reliable to demonstrate that chlorpyrifos results in neurodevelopmental effects that render its tolerances not safe.” EPA further “believes it is lawful and appropriate for it to consider federally enforceable chlorpyrifos product labeling restrictions in assessing the extent of bystander risk from spray drift under both the FFDCA and FIFRA.”
This latest EPA assessment appears to be more finely crafted than the earlier March 2017 response to the tolerance revocation Petition. EPA explains that it does not consider the epidemiology studies cited by the Petitioners to be persuasive sufficiently to change EPA’s fundamental approach to assessing chlorpyrifos risks. EPA notes that its current risk assessment utilizes the default 10X safety factor for infants and children specified by the FQPA, so any argument that it has not utilized this safety factor is moot. At the same time, EPA maintains that the epidemiology studies do not justify changing EPA’s point of departure for risk assessment, which remains the threshold for 10 percent acetylcholinesterase (AChE) inhibition. EPA states that there are significant problems with using the epidemiology studies for risk assessment, including lack of access to the underlying data, the absence of any known mechanism for neurodevelopmental effects below the threshold for AChE inhibition, and a lack of scientific consensus on a method for choosing an alternate point of departure based on the epidemiology studies. This interpretation of the epidemiology studies for chlorpyrifos will remain controversial and these studies will continue to be cited by those who seek to eliminate chlorpyrifos use.
EPA has also taken a position that the burden is on the Petitioners to support a petition to revoke tolerances with reliable data. What is less clear is “how much” evidence EPA considers sufficient to meet the threshold for tolerance revocation. Meanwhile, EPA will defer its assessment of possible neurodevelopmental effects of chlorpyrifos below the threshold for AChE inhibition pending completion of the registration review for chlorpyrifos. The deadline for EPA to complete registration review is October 1, 2022, although EPA states that it intends to expedite this process and to issue a proposed registration review decision by October 2020.
EPA also has included in its decision an intriguing discussion of some new animal studies for chlorpyrifos that purport to show low-level neurodevelopmental effects from chlorpyrifos. The California Department of Pesticide Regulation relied substantially on these new studies when it designated chlorpyrifos as a Toxic Air Contaminant. If these new chlorpyrifos studies are deemed credible, they could supplant efforts to use the chlorpyrifos epidemiology data in risk assessments and allow EPA to establish a new point of departure for chlorpyrifos that is not based on AChE inhibition. Rather than disregarding these new data, which were not submitted in support of the tolerance revocation Petition, EPA says affirmatively that it intends to review them in the pending registration review.
Posted on August 10, 2018 by Lisa M. Campbell
By Lisa M. Campbell and Timothy D. Backstrom
On August 9, 2018, the majority of a three-judge panel of the U.S. Court of Appeals for the Ninth Circuit (Ninth Circuit) issued an opinion in the latest chlorpyrifos case (League of United Latin American Citizens (LULAC) v. Wheeler, No. 17-71636) granting the petition for review of a 2017 order by the U.S. Environmental Protection Agency (EPA) that denied an administrative petition to revoke the tolerances for chlorpyrifos; vacating the 2017 order; and remanding the matter back to EPA with explicit directions to EPA to “revoke all tolerances and cancel all registrations for chlorpyrifos within 60 days.” A separate dissent stated that the court should have dismissed the case for lack of jurisdiction. Please see our blog item “EPA Denies Petition to Ban Chlorpyrifos” for more information on EPA’s denial of the petition in 2017.
EPA argued in its brief that the court lacks jurisdiction to review the 2017 order denying the petition to revoke the tolerances for chlorpyrifos because Section 408(g)(2)(C) of the Federal Food, Drug, and Cosmetic Act (FFDCA) requires EPA to rule on administrative objections to its denial of the petition to revoke the tolerances for chlorpyrifos before judicial review is available under FFDCA Section 408(h)(1).The majority opinion rejected this argument, stating that FFDCA Section 408(h)(1) “does not ‘clearly state’ that obtaining a section (g)(2)(C) order in response to administrative objections is a jurisdictional requirement.” Rather than a jurisdictional limitation, the majority construed the objections process in FFDCA as a non-jurisdictional “claims-processing rule.”In contrast, the dissenting judge agreed with EPA’s argument that the court lacks jurisdiction to review this matter until after EPA responds to the objections to the 2017 order.
After concluding that the objections process is not jurisdictional in character, the majority next considered whether the petitioners should nonetheless be required to exhaust their administrative remedies by waiting until EPA responds to their objections before obtaining judicial review.Although FFDCA Section 408(g)(2)(C) requires EPA to rule on the objections “as soon as practicable,” EPA had taken no action for 13 months after the objections were filed.The majority concluded that the exhaustion requirement should be waived “in light of the strong individual interests against requiring exhaustion and weak institutional interests in favor of it.”
EPA did not specifically address the substantive merits of the 2017 order in its brief, and the majority found that EPA has consequently “forfeited any merits-based argument.”The 2017 order was issued in the context of an administrative record in which EPA has repeatedly determined that the FFDCA standard for maintenance of chlorpyrifos tolerances (“a reasonable certainty that no harm will result from aggregate exposure to the pesticide”) could not be met because of the risk of neurodevelopmental effects. The standard for registration under the Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA) incorporates this same FFDCA standard. Although the 2017 order stated that “the science addressing neurodevelopmental effects is unresolved,” it did nothing to alter these prior EPA determinations. The majority noted that EPA’s assertion that “significant uncertainty” remains regarding the health effects of chlorpyrifos being directly at odds with the “reasonably certainty” standard and “therefore mandates revoking the tolerance under [FFDCA Section 408(b)(2)(A)(i)].” The majority concluded that the possibility that future evidence may contradict EPA’s current determinations cannot justify continued inaction, and that the failure of EPA to proceed with the revocation of the tolerances and the cancellation of the registrations for chlorpyrifos “has now placed the agency in direct contravention of the FFDCA and FIFRA.”
The court’s direct instruction requiring EPA to proceed promptly with revocation of all tolerances and cancellations of all registrations for chlorpyrifos represents an unusually aggressive judicial intervention in the administrative process.Nevertheless, this outcome must be viewed in the context of an eleven year history beginning with an administrative petition that requested the same relief, followed by a writ of mandamus in 2015 from the same court requiring EPA to make a prompt decision on the petition.Although substantial controversy remains concerning the correct interpretation of epidemiology studies with chlorpyrifos, it appears that the court believes that EPA has not taken any action that would support a change in EPA’s prior conclusion that these studies constitute evidence of potential neurodevelopmental effects in children at chlorpyrifos exposure levels below the threshold for acetylcholinesterase (AChE) inhibition. Had EPA’s 2017 denial of the administrative petition been accompanied by an amended risk assessment for chlorpyrifos which articulated a changed conclusion, the court may have been less likely to substitute its judgment for that of EPA.The court seemed to find that because the scientific assessments in the current administrative record could not support the “reasonable certainty” standard in the FFDCA, the conclusion it reached on the merits was unavoidable.
Please see our blog item “Oral Argument Held in Case Challenging EPA’s Denial of Petition to Revoke Chlorpyrifos Tolerances” for information on the oral argument that took place on July 9, 2018, and the briefing in this case. Further information on the case proceedings is available on our blog under key word chlorpyrifos.