Data and Tools
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Section 1: Regulatory Context of the HRS
Learn about the regulatory context of the Hazard Ranking System (HRS), the primary tool that EPA uses to place sites on the National Priorities List (NPL).
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Ecotoxicology (ECOTOX) Knowledgebase Resource Hub
ECOTOX is a source for locating single chemical toxicity data for aquatic life, terrestrial plants and wildlife.
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Addendum for: Rapid Method for Sodium Hydroxide Fusion of Limestone Matrices Prior to Americium, Plutonium, Strontium, Radium, and Uranium Analyses for Environmental Remediation Following Radiological Incidents
This document contains information which is intended to inform radioanalytical laboratories of newly developed EPA radiochemistry methods.
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Training
EPA has been developing training to support successful renewable projects on contaminated lands, landfills and mine sites.
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Wellhead Analytic Element Model (WhAEM) Release Notes
Release notes for the Wellhead Analytic Element Model (WhAEM) groundwater geohydrology computer program. Shows Corrections & Improvements to Prior Versions
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AQUATOX v3.1 Installation Guide
Additional details on installation may be found in the aquatox installation guide.
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PRZM Release Notes
Release notes for PRZM3, a one-dimensional, finite-difference software model that accounts for pesticide and nitrogen fate in the crop root zone.
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Financing Alternatives Comparison Tool
FACT is a financial analysis tool that helps identify the most cost-effective method to fund a wastewater or drinking water management project. It produces a comprehensive analysis that compares various financing options.
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EPA Pacific Southwest (Region 9) RTOC Workgroup Session/Agenda Request
Form for requesting agenda topics or workgroup sessions at EPA Pacific Southwest (Region 9) RTOC meetings.
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Water Quality Standards Regulations: Ohio
Ohio Water Quality Standards approved or otherwise in effect for Clean Water Act purposes.
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Build Earthquake Resilience at Your Water or Wastewater Utility
tools to help drinking water and wastewater utilities prepare for, respond and recover from all-hazards.
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Ozone Designations Mapping Tool Demonstration - Webinar March 23, 2016
Ozone designations mapping tool demonstration - presentation slides
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State/Territory-Designated Top-Priority National Priorities List (NPL) Sites
Section 300.425(c) of the National Contingency Plan allows States or Territories to designate its top-priority site without the need to apply the Hazard Ranking System. Learn about States and Territories that have designated their one top-priority site.
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Niagara River AOC Boundary Map
This page presents various maps of the Niagara River AOC.
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Land Revitalization Toolkit
This page provides a list of land revitalization tools for communities.
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Lead at Superfund Sites: United States Geological Survey (USGS) Background Soil-Lead Survey
Learn about the USGS background soil-lead survey. Use the interactive map to learn about lead levels in your state.
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AirData - Daily Air Quality Tracker (PDF Report)
This tool plots recent daily AQI values relative to the long-term high/low and recent 5-year average for a specific location and time period.
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AirData - Ozone Exceedances
This tool compares 8-hour ozone exceedances between two years or multi-year periods for a city or county.
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AirData - Concentration Map
Make a map of daily concentrations over several days. The daily air quality can be displayed in terms of the Air Quality Index or in concentration ranges for certain PM species like organic carbon, nitrates, and sulfates.
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AirData - Concentration Plot
This tool makes a time series plot for a specific location and time period. This tool displays daily air quality summary statistics for the criteria pollutants by monitor.