Data and Tools
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BIOSCREEN, Natural Attenuation Decision Support System
The model is designed to simulate biodegradation by both aerobic and anaerobic reactions.
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BIOPLUME III
BIOPLUME III is a two-dimensional finite difference model for simulating the natural attenuation of organic contaminants in groundwater due to the processes of advection, dispersion, sorption, and biodegradation.
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Remediation Evaluation Model for Fuel hydrocarbons (REMFuel)
This model simulates the transient effects of groundwater source and plume remediation for fuel hydrocarbons.
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Three-Dimensional Subsurface Flow, Fate and Transport of Microbes and Chemicals (3DFATMIC) Model
This model simulates subsurface flow, fate and transport of contaminants that are undergoing chemical or biological transformations. The model is applicable to transient conditions in both saturated and unsaturated zones.
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Data Governance
EPA has a data governance body that improves data management practices and support the implantation of the Evidence Act.
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Data from the National Aquatic Resource Surveys
The following data are available for download as text (.txt) files. Each .txt data file has a companion metadata file (.txt) that lists the field labels and descriptions for each variable.
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Frequent Questions about the Enhancing State and Tribal Program Initiative
Frequently asked questions for ESTP
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AQS Use of PM2.5 FEMS and ARMs in SLAMS Networks
AQS Use of PM2.5 FEMS and ARMs in SLAMS Networks
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Registration Letters for Fuel Programs
List of registered transportation fuel and fuel additives
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Virtual Beach 3.0.7 User Guide
Virtual Beach version 3 (VB3) is a decision support tool that constructs site-specific statistical models to predict fecal indicator bacteria (FIB) concentrations at recreational beaches.
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Tools for Source Water Protection Webcast
Learn more about tools for source water protection during our March 21st webcast.
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Summary Table EPA's Response to State and Tribe Recommendations - 2015 Ozone Designations
Table sumarizind 120-day letters
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Smart Growth in Your Community
Map of EPA smart growth project locations and text version.
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Regional Grants Information
Access to any and every regional office in the United States of America. This is a one stop shop location for accessing a regional office near you.
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Electronic Preventive Maintenance Logs
Individual files of the Electronic Preventive Maintenance Logs.
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Procedure for Safe Drinking Water Act Program Detection Limits for Radionuclides
Calculations for determining drinking water detection limits for radionuclides.
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Basic Information and Answers to Frequent Questions
Healthy Watersheds Protection Home Page
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RSEI Data Dictionary: Standard Industrial Classification (SIC) Data
SIC codes are no longer collected by TRI, but RSEI maintains them because some parameters (chromium speciation and stack height) are determined by SIC code.
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Niagara River AOC Boundary Map
This page presents various maps of the Niagara River AOC.
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Divulgación del vendedor de información sobre pintura a base de plomo y/o peligros de la pintura a base de plomo
Formulario para que los agentes inmobiliarios lo usen en las transacciones de venta cuando los vendedores de inmuebles residenciales estén obligados a revelar al comprador cualquier información conocida sobre los peligros relacionados de la pintura con bas