Science & Technology
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TIM Version 3.0 beta Technical Description and User Guide - Appendix H - Dermal Toxicity Estimation
A limited set of data exists for evaluating the relationship between dermal toxicity and oral toxicity in birds. Regression analysis was used to predict the dermal LD50 based on the oral LD50.
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TIM Version 3.0 beta Technical Description and User Guide - Appendix D - Avian Data to Support Generic and Custom Species
TIM Appendix D summarizes avian census studies from pesticide registrant submissions and literature. The purpose of this review is to identify avian species that are representative of those that commonly visit agricultural fields.
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TIM Version 3.0 beta Technical Description and User Guide - Appendix A - User's Guidance for TIM v.3.0(beta)
Provides detailed guidance to the user on how to select input parameters for running the Terrestrial Investigation Model (TIM) and recommendations for default values that can be used when no chemical-specific or species-specific information are available.
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TIM Version 3.0 beta Technical Description and User Guide - Appendix F - Approach for Calculating Juvenile Dietary Exposure
Use the available information on the relationship between juvenile body weights and energetic requirements to develop a general approach for calculating juvenile dietary exposure doses appropriate for a range of avian species.
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TIM Version 3.0 beta Technical Description and User Guide - Appendix G - Equation for Calculating Home Range for Insect Eating Birds
Depicts the data reported by Schoener 1968 for species identified in field surveys associated with agricultural fields/orchards and adjacent habitats that are described in Appendix D.
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TIM Version 3.0 beta Technical Description and User Guide - Appendix B - Example input file for TIMv3.0
Terrestrial Investigation Model, TIM, has several appendices to its user guide. This is the appendix that includes an example input file in its preserved format. Both parameters and comments defining them are included.
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TIM Version 3.0 beta Technical Description and User Guide - Appendix C -Parameters used in TIM v3.0
Table of parameter symbols, definitions, variable types and units for TIM Version 3.0.
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Exposure Surrogate Reference Table for Pesticide Risk Assessment - Previous Versions
Previous Exposure Surrogate Reference Tables March 12 - November 2016
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Determining the Chemical Substances Subject to the CDR Rule
These Frequent Questions (FQs) are intended to clarify the reporting requirements for Chemical Data Reporting for the 2016 reporting period.
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Chemical Fate Half-Lives for Toxics Release Inventory (TRI) Chemicals
provides chemical fate half-lives for Toxic Release Inventory (TRI) chemicals
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Multi-chamber Concentration and Exposure Model (MCCEM) Questions and Answers
Questions and answers for how to download, access, and operate the Multi-Chamber Concentration and Exposure Model
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Tier-Based Testing for the Effects of Proteinaceous Insecticidal Plant-Incorporated Protectants
Summary scientific and regulatory information on nontarget invertebrate testing and evaluation of new products expressing insecticidal proteins in an ecological risk assessment.
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Final Rule Clarifying Toxicology Data Requirements for Antimicrobial Pesticides Used on Food Contact Surfaces
EPA issued a final rule clarifying data requirements for antimicrobial pesticides in 40 CFR Part 158 Subpart W (158W), making the registration process for these pesticides more efficient and transparent.
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FIFRA SAP Minutes and Final Reports for November 2017 Meetings on Alternative High-Throughput Screens to Determine Endocrine Disruption Now Available on the Web
The minutes and final reports for the November 6, 2017, FIFRA SAP virtual preparatory meeting and the November 28-29, 2017 are now available.
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Series 850 - Ecological Effects Test Guidelines
links to series 850 guidelines in docket
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EPA Calls for Applications for the 2023 Safer Choice Partner of the Year Awards
EPA is accepting applications for the 2023 Safer Choice Partner of the Year Awards through May 31, 2023. The Safer Choice program works with businesses to help consumers and commercial buyers identify cleaning products with safer chemical ingredients.
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Desinfectantes para patógenos virales emergentes (EVP, por sus siglas en inglés): Lista Q
Productos con especificaciones para agentes patógenos virales emergentes
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Guidance for Pesticide Ecological Risk Assessments and Human Assessments Health Drinking Water Assessments
List of current guidance documents and the context in which EPA/EFED uses them to conduct ecological risk assessments for pesticides.
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Water Quality Standards Regulations: Maine
Information related to Water Quality Standards for Maine.
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ERLN Water Focus Area
The Water Laboratory Alliance (WLA), within Environmental Response Laboratory Network, maintains analytical capability and capacity in the event of intentional and unintentional water contamination with chemical, biological and radiochemical contaminants.