Data and Tools
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Chemical and Products Database (CPDat)
CPCat (Chemical and Product Categories) is a database containing information mapping more than 43,000 chemicals to a set of terms categorizing their usage or function.
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What is the Enhancing State and Tribal Programs Initiative?
Information about state and tribal wetlands programs.
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Hydrocarbon Spill Screening Model (HSSM)
The model is intended to address the problem of LNAPL flow and transport from the ground surface to a water table aquifer.
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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 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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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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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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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
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Seller's Disclosure of Information on Lead-Based Paint and/or Lead-Based Paint Hazards
Form for realtors to use in sales transactions when sellers of residential real property are required to disclose to the buyer any known information on the property's lead-based paint hazards.