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  2. Risk-Screening Environmental Indicators (RSEI) Model

RSEI Data Dictionary: Media Data

The following tables provide descriptions for each field in each table. Note that for the Geographic Microdata, "Other Geographies" includes block groups, census tracts, and ZIP code files.  For more information, see the RSEI methodology document and the RSEI Microdata documentation. 

                                                               Tables in the RSEI Data Dictionary
Facility Chemical Disaggregated Grid Cell Geographic Microdata Aggregated Grid Cell Geographic Microdata for States
Off-site MCL Aggregated Grid Cell Geographic Microdata Water Geographic Microdata
Submissions Releases Disaggregated Geographic Microdata for Other Geographies Grid Shapefiles
Elements Media Aggregated Geographic Microdata for Other Geographies Census Crosswalks
NAICS Category Geographic Microdata Shapefiles for Other Geographies Population Data

The media table provides descriptions for the media codes used in the Releases table.

RSEI Media Table (Spreadsheet) (xlsx)

RSEI Media Table (Text Format) (csv)

Media Data

Variable

Description

Media (RSEI Media Code)

Code associated with the media and/or method of release, as reported by facility in TRI Reporting Form R, except that "M" is replaced with "7" in the code for off-site transfers.

MediaText (Short Description)

Descriptions of receiving media associated with Media Code.

TRIEnvironmentalMedium

Text abbreviation describing media used in TRI data files.

Itw

“1” if environmental medium is assigned the inhalation toxicity weight for RSEI hazard calculations.

Otw

“1” if environmental medium is assigned the oral toxicity weight for RSEI hazard calculations.

Mtw

“1” if environmental medium is assigned the maximum toxicity weight for RSEI hazard calculations.

TRICode

Code associated with the media and/or method of release, as reported by facility in TRI Reporting Form R.

TRICategory

TRI-assigned waste treatment category.

LongDescription

Longer version of media text field.

AggDescription Description of aggregated  category for environmental medium; e.g., fugitive and stack air releases are both assigned "Air Releases".

Risk-Screening Environmental Indicators (RSEI) Model

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Contact Us About the RSEI Model
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Last updated on March 4, 2025
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