→ Draft toxicological profile for glyphosate

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The Agency for Toxic Substances and Disease Registry is looking for comments on ‘the Draft Toxicological Profile for Glyphosate. All toxicological profiles issued as “Drafts for Public Comment” represent [the Agency’s'] best efforts to provide important toxicological information on priority hazardous substances.’ The Agency for Toxic Substances and Disease Registry ‘is seeking public comments and additional information or reports on studies about the health effects of glyphosate for review and potential inclusion in the profile… [and] considers key studies for these substances during the profile development process. This document solicits any relevant, additional studies.’ The Agency ‘will evaluate the quality and relevance of such data or studies for possible inclusion into the profile. ‘

→ Review of Confidential Business Information claims for TSCA chemicals

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‘The 2016 amendments to the Toxic Substances Control Act require the [Environmental Protection Agency] to establish a plan to review all confidential business information claims for specific chemical identity asserted in a Notice of Activity Form A.’ The plan ‘would require substantiation of confidential business information claims for specific chemical identity from any reporters who asserted such a claim as part of the NOA Form A submission, but did not provide (voluntary) upfront substantiation at that time.’ The Environmental Protection Agency ‘is proposing a rule to establish the plan, including the procedures for substantiating and reviewing these claims.’

→ Prioritization under the Toxic Substances Control Act

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As required under the Toxic Substances Control Act, the Environmental Protection Agency ‘is initiating the prioritization process for 20 chemical substances as candidates for designation as High Priority Substances for risk evaluation and 20 chemical substances as candidates for designation as Low Priority Substances for risk evaluation. This document provides the identity of the chemical substances being initiated for prioritization, a general explanation of why the Agency chose these chemical substances and information on the data sources that the Environmental Protection Agency plans to use to support the designation.’ The agency is calling for comments regarding any relevant information on these chemical substances.

→ Recommendations for cleaning contaminated groundwater

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The Environmental Protection Agency (EPA) ‘is seeking public comment on a draft set of recommendations for cleaning up groundwater contaminated with’ perfluorooctanoic acid and/or perfluorooctane sulfonate. ‘When finalized, the recommendations will provide a starting point for making site-specific cleanup decisions. The guidance is based on the EPA’s current scientific understanding of per- and polyfluoroalkyl substances toxicity and is intended to provide clear and consistent guidance for federal cleanup programs, including the Comprehensive Environmental Response, Compensation, and Liability Act.’ The information in these recommendations ‘may also be useful for state and tribal cleanup programs, and in carrying out other federal regulatory authorities (e.g., federal facility cleanup programs, approved state Resource Conservation and Recovery Act corrective action programs).’

→ Substances proposed for evaluation for Toxicological Profile development

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The Agency for Toxic Substances and Disease Registry ‘is initiating the development of another set of Toxicological Profiles’ and is soliciting public nominations of substances. The Agency ‘will consider nominations from the Substance Priority List (available at https://www.atsdr.cdc.gov/SPL/)’ as well as substances ‘that may have public health implications’ which are not part of the National Priorities List under the Comprehensive Environmental Response, Compensation, and Liability Act of 1980 (CERCLA). ‘The agency will do so in order to establish and maintain an inventory of literature, research, and studies on the health effects of toxic substances, to respond to requests for consultation, and to support the site-specific response actions.’

→ Nominations for Human Studies Review Board

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The Environmental Protection Agency ‘invites nominations from a diverse range of qualified candidates with expertise in the areas of toxicology, bioethics, and statistics to be considered for appointment to its Human Studies Review Board (HSRB) federal advisory committee. HSRB vacancies will be filled in the fall of 2019. In addition to this Federal Register Notice, additional sources of nominations may be used to obtain a balanced committee.’

→ IRIS Assessment Plan for methylmercury

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The Environmental Protection Agency has released ‘the draft IRIS Assessment Plan for Methylmercury. This document communicates information on scoping needs’ for the IRIS assessment. ‘Specifically, the assessment plan outlines the objectives for each assessment and the type of evidence considered most pertinent to address the scoping needs.’ The Environmental Protection Agency is announcing a ‘30-day public comment period in advance of a public science webinar planned for May 15, 2019. The Agency encourages the public to comment on all aspects of the assessment plan, including key science issues.’

→ Systematic Review Protocol for the Hexavalent Chromium IRIS Assessment

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The Environmental Protection Agency ‘is announcing a 45-day public comment period associated with the release of the Systematic Review Protocol for the Hexavalent Chromium IRIS Assessment. This document communicates the rationale for conducting the assessment of [Hexavalent Chromium], describes screening criteria to identify relevant literature, outlines the approach for evaluating study quality, and describes the process of evidence synthesis/integration and dose-response methods. The protocol includes the list of studies currently considered in the assessment.’ The Environmental Protection Agency will also hold a public science webinar on April 24, 2019.

→ Revised definition of "Waters of the United States"

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The Environmental Protection Agency and the Department of the Army are collecting public comment on a ‘proposed rule defining the scope of waters federally regulated under the Clean Water Act. This proposal is the second step in a comprehensive, two-step process intended to review and revise the definition of “waters of the United States” [put forth in a 2015 rule] consistent with the Executive Order signed on February 28, 2017, “Restoring the Rule of Law, Federalism, and Economic Growth by Reviewing the `Waters of the United States' Rule.” ’ The proposal would restrict the definition of “waters of the United States” to ‘Traditional navigable waters, including the territorial seas; tributaries that contribute perennial or intermittent flow to such waters; certain ditches; certain lakes and ponds; impoundments of otherwise jurisdictional waters; and wetlands adjacent to other jurisdictional waters.’

→ Reconsideration of National Emission Standards for Hazardous Air Pollutants

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The Environmental Protection Agency is proposing that it is not “appropriate and necessary” to regulate mercury and hazardous air pollutants produced by coal- and oil-fired power plants (‘electric generating units’) under the Clean Air Act. This proposal comes ‘after considering the cost of compliance relative to the… benefits of regulation,’ from which the Agency concluded that the costs outweighed the benefits of regulation. The Agency is soliciting comments ‘on whether the [Environmental Protection Agency] has the authority or obligation to delist [electric generating units]’ and / or ‘rescind the National Emissions Standards for Hazardous Air Pollutants for Coil- and Oil-Fired Electric Generating Units, commonly known as the Mercury and Air Toxics Standards.’

The Environmental Protection Agency is also accepting comments on ‘establishing a subcategory for emissions of acid gas hazardous air pollutants from existing coal refuse.’

→ Significant New Use Rules on Certain Chemical Substances

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The Environmental Protection Agency is ‘proposing significant new use rules (SNURs) under the Toxic Substances Control Act for 66 chemical substances which were the subject of premanufacture notices… This action would require persons who intend to manufacture (defined by statute to include import) or process any of these 66 chemical substances for an activity that is proposed as a significant new use to notify [the Environmental Protection Agency] at least 90 days before commencing that activity.’ Notifying the Environmental Protection Agency will allow the agency ‘to assess risks that may be presented by the intended uses and, if appropriate, to regulate the proposed use before it occurs .’

→ Call for Drinking Water Contaminants for the Fifth Contaminant Candidate List

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The Environmental Protection Agency ‘is requesting nominations of chemical and microbial contaminants that are not currently regulated, for possible inclusion on the fifth drinking water Contaminant Candidate List.’ The existing list consists of 97 chemicals and 12 microbial contaminants. Nominations should include ‘information showing the nominated contaminant is known or anticipated to occur in public water systems and indicating the nominated contaminant may require regulation due to the potential for adverse effects on the health of persons.’

→ Opportunity to Comment On Chemicals Listed in the Toxic Substances Control Act Work Plan

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The Environmental Protection Agency is opening 74 public dockets, one for each of the 73 remaining chemicals on the 2014 Update to the [Toxic Substances Control Act] Work Plan for Chemical Assessments… and an additional general docket for chemicals not on the Work Plan. Te Work Plan provides a list of existing chemicals for assessment under the Toxic Substances Control Act. The Environmental Protection Agency is also ‘interested in the public's input on chemicals not on the 2014 Update to the [Toxic Substances Control Act] Work Plan for Chemical Assessments for consideration as potential candidates for prioritization’ under the Act. ‘By providing the public with a venue for submitting use, hazard, and exposure information on these chemicals, the Environmental Protection Agency is facilitating the sharing of information by stakeholders and the general public that could update the information EPA currently has on the chemicals on the 2014 Update to the [Toxic Substances Control Act] Work Plan for Chemical Assessments. EPA will use this data to inform [Toxic Substances Control Act] prioritization and risk evaluation for these chemicals.’

→ Identifying Potential Candidate Chemicals for Prioritization under the Toxic Substances Control Act

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‘This Notice announces the availability of a document: A Working Approach for Identifying Potential Candidate Chemicals for Prioritization. The document lays out the Environmental Protection Agency's near-term approach for identifying potential chemicals for prioritization, the initial step in evaluating the safety of existing chemicals under the Toxic Substances Control Act. The document also includes a longer-term risk-based approach for considering the larger [Toxic Substances Control Act] active chemical universe.’ The Environmental Protection Agency is ‘opening a public docket to accept comments on this approach, which will inform a public meeting to be held in early 2019.’

→ Request for Nominations of Experts to Federal Insecticide, Fungicide, and Rodenticide Act Panel

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The Environmental Protection Agency ‘requests public nominations of scientific experts to be considered for ad hoc participation on the Federal Insecticide, Fungicide, and Rodenticide Act Scientific Advisory Panel… All nominees will be considered for ad hoc participation providing independent scientific advice to the EPA on health and safety issues related to pesticides. The [Panel] is comprised of biologists, statisticians, toxicologists and other experts and is assisted in their reviews by members of the Food Quality Protection Act Science Review Board.’

→ Web-based Information Collection Activity: Prenatal Assessment of Environmental Risk

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‘The Agency for Toxic Substances and Disease Registry… invites comment on a proposed information collection project titled “Prenatal Assessment of Environmental Risk”. This web-based data collection will provide information on behavioral risks for environmental exposures for patients seeking preconception and prenatal care, and for their reproductive health care clinicians.’ ‘The long-term goal is for [this] web-based information collection system to be widely adopted by obstetricians, gynecologists, and other reproductive health care professionals. Through the Prenatal Assessment of Environmental Risk, practicing clinicians will have readily accessible and reliable information, and educational resources to counsel mothers-to-be on their potential environmental exposures and associated risks. This will facilitate reduction in harm to mothers-to-be and their babies. The environmental exposure assessment results will be suitable for incorporation into patients' electronic health records and maintenance within health care provider organizations.’

→ Nominations for Toxic Substances Control Act's Science Advisory Committee on Chemicals

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The Environmental Protection Agency ‘requests public nominations of scientific experts to be considered for ad hoc participation and possible membership on the Toxic Substances Control Act (TSCA) Science Advisory Committee on Chemicals.’ Nominees will be considered for ‘ad hoc participation’ in peer reviews of the Environmental Protection Agency’s ‘risk evaluations for the first 10 chemical substances addressed under the [Toxic Substances Control Act]. In addition, all nominees may be considered for … membership to fulfill short term needs when a vacancy occurs on the chartered Committee.’ ‘Nominees should be scientists who have sufficient professional qualifications, including training and experience, to be capable of providing expert comments on the scientific issuesNo interested scientists shall be ineligible to serve by reason of their membership on any other advisory committee to a Federal department or agency or their employment by a Federal department or agency, except the [Environmental Protection Agency].’

→ Information on adverse effects of strategies for attainment and maintenance of National Ambient Air Quality Standards

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The Environmental Protection Agency 'is soliciting information to facilitate the Clean Air Scientific Advisory Committees' consideration of any adverse public health, welfare, social, economic, or energy effects which may result from various strategies for attainment and maintenance of national ambient air quality standards.'

→ Second review of the draft Integrated Science Assessment for oxides of nitrogen and sulfur, and particulate matter

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The Environmental Protection Agency (EPA) is announcing a public comment period for the second draft of the Integrated Science Assessment for oxides of nitrogen, oxides of sulfur, and particulate matter. 'The Integrated Science Assessment, in conjunction with additional technical and policy assessments, provides the scientific basis for EPA's decisions on the adequacy of the current [National Ambient Air Quality Standards] and the appropriateness of possible alternative standards.' The EPA 'is releasing this draft document to seek review by the Clean Air Scientific Advisory Committee and the public... When revising the document, EPA will consider any public comments submitted during the public comment period specified in this notice.'

→ Call for review of the National Ambient Air Quality Standards for ozone

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The Environmental Protection Agency is calling for scientific and relevant policy-related information for an Integrated Review Plan and an Integrated Science Assessment, being prepared 'as part of the review of the air quality criteria and the National Ambient Air Quality Standards for ozone (O3) and related photochemical oxidants.' The Integrated Science Assessment 'will summarize the plan for the review, including the initial identification of policy-relevant issues and questions to frame the review. It 'will build on the scientific assessment conducted for the last O3 review, focusing on assessing newly available information since the last assessment. Interested parties are invited to assist the EPA by submitting information regarding significant new O3 research and policy-relevant issues for consideration in this review of the primary (health-based) and secondary (welfare-based) O3 standards.'