Science & Technology
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Standard Operating Procedure for Using the NAFTA Guidance to Calculate Representative Half-life Values and Characterizing Pesticide Degradation
Results of the degradation kinetics project and describes a general approach for calculating and selecting representative half-life values from soil and aquatic transformation studies for risk assessment and exposure modeling purposes.
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Indirect Dietary Residential Exposure Assessment Model (IDREAM) Implementation
The Indirect Dietary Residential Exposure Assessment Model (IDREAM) estimates indirect ingestion exposure to disinfectants used in residential settings on hard surfaces where there may be inadvertent transfer to edible items prepared on those surfaces.
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KABAM Version 1.0 User's Guide and Technical Documentation - Appendix A - Description of Bioaccumulation Model
The purpose of this model is to estimate chemical concentrations (CB) and BCF and BAF values for aquatic ecosystems. KABAM is a simulation model used to predict pesticide concentrations in aquatic regions for use in exposure assessments.
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Presidential Green Chemistry Challenge: 1996 Greener Synthetic Pathways Award
Presidential Green Chemistry Challenge 1996 award winner, Monsanto Company, developed a safer synthesis for DSIDA, a key building block for the herbicide RoundUp. The synthesis uses no ammonia, cyanide, or formaldehyde.
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NAFTA Guidance for Evaluating and Calculating Degradation Kinetics in Environmental Media :DD Memo
Signed Division Director memo, December 17, 2012, with original announcement to EFED scientists of tools and approaches for evaluating and calculating degradation kinetics in environmental media. There is more updated information that this available.
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Additional Guidance for Evaluating and Calculating Degradation Kinetics in Environmental Media
EFED compiled examples where the PestDF (version 0.8.4), the tool used most commonly by USEPA to conduct kinetic analysis following the NAFTA guidance, results required additional interpretation. Here are some of these examples.
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PFAM 2.0 - Documentations
The advanced capabilities of PFAM include accounting for water and pest management practices and for degradation in soil and aquatic environments, as well as for post processing of discharged paddy waters to a user-defined receiving water.
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2016 e-CDRweb User Guide – Secondary Authorized Official
This document presents the user guide for the Office of Pollution Prevention and Toxics’ (OPPT) 2016 e-CDRweb tool. This document is the user guide for the Secondary Authorized Official (AO) user of the 2016 e-CDR web tool.
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Improving Labels to Reduce Pesticide Drift
We encourage pesticide manufacturers to state on their product labels that applicators should use DRT-rated technologies in applying pesticide products. The page includes information on how to obtain approval to add these instructions.
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Sample: TSCA §8(a) Reporting for Chemical Substances When Manufactured or Processed as Nanoscale Materials: Data Submission Form
The form to be used for reporting as prescribed in 40 CFR 704.20.
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Final Risk Evaluation for n-Methylpyrrolidone (NMP)
Materials supporting and explaining initial risk determination for NMP
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Meeting Materials for OECD Expert Meeting on Categorization of Manufactured Nanomaterials on September 17-19, 2014
Here are materials for the OECD Working Party on Nanomanufactured Materials Expert Meeting on Categorization of Nanomaterials (developing nanomaterial categories) took place on September 17-19, 2014 in Washington, D.C hosted by U.S. EPA.
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Optimization Model for reducing Emissions of Greenhouse Gases from Automobiles (OMEGA)
OMEGA is a free, desktop computer application which estimates the technology cost for automobile manufacturers to achieve variable fleet-wide levels of vehicle greenhouse gas (GHG) emissions.
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SmartWay Aerodynamics Verification Letters
These documents provide information on SmartWay’s trailer and aerodynamic device program and how you can save fuel.
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Water Reuse Action Plan: Online Platform
National Water Reuse Action Plan: Online Platform
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Safer Chemicals Research
EPA's Chemical Safety research protects human health and the environment by evaluating chemicals for potential risk and providing tools and guidance for improved chemical production that supports a sustainable environment.
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Value of Information (VOI) Case Study on ETAP
Page describing the results of the value of information case study on the EPA Transcriptomic Assessment product
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Aromatase Assay SEP and DEST
Standard Evaluation Procedure (SEP) and Data Entry Spreadsheet Table (DEST) for the Aromatase (Human Recombinant) Assay.
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Technical Clarifications about the Endocrine Disruptor Screening Program Tier 1 Assays
Endocrine Disruptor Screening Program (EDSP) Clarifications on Technical Aspects of the Tier 1 Assays
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Universe of Chemicals for Potential Endocrine Disruptor Screening and Testing
The Universe of Chemicals was developed by the EPA to provide guidance to staff and managers regarding the universe of chemicals for potential endocrine disruptor screening and testing.