Data and Tools
-
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.
-
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.
-
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.
-
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.
-
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.
-
Chemical Fate Half-Lives for Toxics Release Inventory (TRI) Chemicals
provides chemical fate half-lives for Toxic Release Inventory (TRI) chemicals
-
Series 850 - Ecological Effects Test Guidelines
links to series 850 guidelines in docket
-
NHDPlus South Atlantic North Data (Vector Processing Unit 03N)
NHDPlus data for the South Atlantic North vector processing unit.
-
NHDPlus Upper Colorado Data (Vector Processing Unit 14)
NHDPlus data for the Upper Colorado vector processing unit.
-
HFC Allowances
The American Innovation and Manufacturing (AIM) Act was enacted by Congress on December 27, 2020. The AIM Act directs the U.S. Environmental Protection Agency (EPA) to address the environmental impact of HFCs.
-
Estuary Data Mapper (EDM) Special Topics and Videos
This page links out to several use cases, tutorial videos, and specific applications of Estuary Data Mapper that may be of interest to the advanced EDM user.
-
About Estuary Data Mapper (EDM)
Estuary Data Mapper is a tool for geospatial data discovery, visualization, and data download for any of the approximately 2,000 estuaries and associated watersheds in and along the five US coastal regions.
-
Troubleshooting RSIG
Remote Sensing Information Gateway, a tool that allows scientists, researchers and decision makers to access a variety of multi-terabyte, environmental datasets and to subset the data and obtain only needed variables, greatly improving the download time.
-
Ecosystem Rarity Toolbox
This page describes the concept of ecosystem rarity and provides a download link for the Ecosystem Rarity toolbox.
-
Environmental Education: Water Purification by Evaporation and Condensation
A class activity to illustrate how the water cycle helps to purify water.
-
Thirstin’s Ground Water Movement Activity
An in class lesson demonstrating groundwater movement.
-
Tracking Pollution: A Hazardous Whodunit Teacher's Guide
This teacher's guide contains instructions and talking points for the "Hazardous Whodunit" Activity.
-
Petitions
Administrative, statutory, or guidance petitions submitted to EPA for rulemaking review.
-
LaPlace, Louisiana - Preliminary Air Sampling
Preliminary air sampling data for chloroprene in LaPlace, LA
-
How to Access and Use ATTAINS Web Services
This document explains how to use ATTAINS Web Services to access public ATTAINS data, including how to generate the URL to query an ATTAINS REST service. It provides the base URL for each service, and the query parameters available for that service.