Science & Technology
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Regional Removal Management Levels (RMLs) for Chemical Contaminants
The generic regional removal management levels for chemicals are available from this site for download in MS Excel and PDF format.
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Regional Screening Levels (RSLs) - What's New
Regional Screening Level RSL what’s new page informs risk assessors of the biannual updates to the website and the calculator for the assessment of human Health.
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Regional Screening Levels (RSLs) - User's Guide
Regional Screening Level RSL user guide provides extensive guidance for risk assessors doing Chemical Risk Assessment preliminary remediation goal PRG risk based concentration RBC and rick calculations for the assess
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Regional Screening Levels (RSLs)
Regional Screening Level RSL Home Page introduces risk assessors to Chemical Risk Assessment preliminary remediation goals PRG risk based concentration RBC and risk calculations for the assessment of human Health.
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Low Liquid Level UST Containment Sump Testing Procedures
Review the procedures for low liquid level hydrostatic testing as one method of meeting the requirements in 40 CFR 280.35 for periodically testing the integrity of certain containment sumps.
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Guide to Login for SeqAPASS Users
Login guide for external SeqAPASS users.
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Seismic Refraction
seismic refraction basic concepts
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Time-Domain/Transient Electromagnetics (TDEM/TEM)
Time-Domain/Transient Electromagnetics (TDEM/TEM) surface geophysical method
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Nuclear Methods
surface nuclear methods discription
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Geophysical Methods Introduction
Brief into to geophysical methods in the About panel
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Frequency Domain Electromagnetic (FDEM)
In the frequency domain method, the transmitter emits a sinusoidally varying current at a specific frequency.
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Water Facts Answer and Question Game
A card game to print and cut apart the individual cards. The game is played by one team reading the Answer from the card and the other team guessing the correct Question that relates to it.
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RadNet Databases and Reports
EPA’s RadNet data are available for viewing in a searchable database or as PDF reports. Historical and current RadNet monitoring data are used to estimate long-term trends in environmental radiation levels.
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Data, Models, and Other Technical Resources for a Watershed Approach
Technical memorandum as a series of publications designed to assist watershed projects, particularly those addressing nonpoint sources of pollution.
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Nonpoint Source Pollution: National Management Measures
A central listing of the various guidance on different nonpoint source topics.
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Understanding the Science behind EPA’s Pesticide Decisions
Science is key to EPA’s decision-making. EPA scientists review these data to determine whether to register a pesticide product or use and any need for specific restrictions. EPA maintains a transparent, public process in assessing potential human health ri
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Graduating from Sustainable Futures
This page describes how companies can earn Sustainable Futures graduation and become eligible for regulatory relief for prescreened new chemical notices
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EPA ExpoBox: Other Tools
Other tools besides the searchable database for performing an exposure assessment as well as links to useful resources for terminology.
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About the Exposure Factors Handbook
Information about the Exposure Factors Handbook: 2011 Edition, including the history of the document, highlights documents, tables and spreadsheets, and more recent updates.
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Sanitary Sewer Overflow Analysis and Planning (SSOAP) Toolbox
The SSOAP toolbox is a suite of computer software tools used for the quantification of RDII and help capacity analysis and condition assessment of sanitary sewer systems.