Data and Tools
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Sampling and Analysis Plan Outline for Environmental Samples Potentially Containing Pathogens
This SAP outline provides a general description of the sections that would be included in a Sampling and Analysis Plan (SAP) generated using the MicroSAP tool, as well as a general description of the essential features that should be included in a SAP.
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Learn About RSEI
Basic information about the EPA Risk-Screening Environmental Indicators (RSEI) model
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Modeling Air Releases in RSEI
Information on how RSEI models air releases to produce scores and other RSEI metrics
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RSEI Results Definitions
A list of RSEI Results definitions
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Modeling Water Releases in RSEI
Information on how RSEI models water releases to produce scores and other RSEI metrics
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RSEI Data Dictionary: Chemical Data
The chemical table contains data for chemicals reported to TRI, including toxicity, physico-chemical properties, and flag fields to facilitate user selections.
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RSEI Data Dictionary: Maximum Contaminant Level (MCL) Data
MCLs are used to cap maximum concentrations in drinking water systems.
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RSEI Data Dictionary: Releases Data
This table contains data for each chemical release. There can be multiple release records per submission record.
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EasyRSEI Online Help
Help and instruction for using EasyRSEI, a dashboard on Qlik Sense
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RSEI Data Dictionary: Elements Data
The Elements table contains the calculated results for each release. There can be multiple elements records for each release.
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RSEI Data Dictionary: Media Data
The media table provides descriptions for the media codes used in the Release table.
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RSEI Data Dictionary: Category Data
The Category table describes the codes used in the Elements table to indicate the release pathway.
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RSEI Data Dictionary: Off-site Data
The Off-site table contains the condensed list of quasi-unique off-site facilities to which TRI reporters transfer waste.
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RSEI Data Dictionary: North American Industry Classification System (NAICS) Data
NAICS codes are collected by TRI.
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Risk-Screening Environmental Indicators (RSEI) Technical Appendices
Technical appendices for the Risk-Screening Environmental Indicators screening tool version 2.3.9
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RSEI Queries
RSEI Queries online help page - tips and instructions
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3 - Identify Potential Partners
Information related to Develop Risk Communication Programs for Fish and Shellfish Consumption Advisories - 3 - Identify Potential Partners
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NHDPlus Versioning
NHDPlus has a dual versioning system and the most recent version for each component is always available.
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EPA white papers and memos for 2015 SAB Economy-Wide Modeling panel
These papers were developed to inform the deliberations of the SAB Panel on the technical merits and
challenges of economy-wide modeling for an air regulation. They are not official U.S. Environmental
Protection Agency (EPA) reports -
User’s Manual for the CO - Benefits Risk Assessment (COBRA) Screening Model
Use COBRA to estimate the impact of air pollution emission changes on ambient particulate matter (PM) air pollution concentrations.