Recent Additions
Jan 13, 2009
- TRIM.FaTE User's Guide modules 2-12, 14 and 16 have been updated.
Jan 12, 2009
- A new, multipollutant version (4.3) of the APEX model is now available. The new files can be downloaded from the TRIM.ExpoInhalation download page.
Aug 16, 2007
- An updated version (4.02) of the APEX model is now available, correcting a number of bugs in version 4.01 (dated 6/7/06). The new files can be downloaded from the TRIM.ExpoInhalation download page.
Aug 7, 2007
- A version of TRIM.Risk for probabilistic exposure response functions (TRIM.RiskHuman Health-Probabilistic) has been developed and applied in the 2007 ozone NAAQS risk assessment. Although this version is not yet available in generic form for easy use in other applications, the version used in the 2007 ozone NAAQS risk assessment is available and is described in the application user's guide on the TRIM.Risk Download page.
- The analyses performed as part of the 2007 ozone exposure, risk and impact assessments for vegetation are now available, with accompanying documentation.
May 24, 2007
- EPA has updated the HEM3 model to Version 1.1.0. The new version includes the ability to run both the ISCST3 and AERMOD air dispersion models. Updated census and meteorological data and a revised users guide are also provided.
May 25, 2006
- Volume 3 - "Community Scale Assessment"
- of the Air Toxics Risk Assessment (ATRA) Reference Library is now available.
This volume builds on ATRA Volume 1 to describe how to evaluate and reduce
cumulative air toxics risks at the local level; it also discusses other risk
factors that may affect communities, and strategies to reduce those risks.
May 23, 2006
- A link has been added to provide access to implementation
material regarding the Agency's Cancer Risk Assessment Guidelines on the
Links to EPA Risk Assessment Policy,
Guidelines, and Related Materials page.
May 12, 2006
- A correction has been made to HEM-Screen, version 2003, beta and
the corrected model has been posted on the HEM
Download page. The error, discovered in March 2006, was associated
with its use with 20 counties in Illinois and a single county in Oregon and
Oklahoma.
April 6, 2006
- The TRIM.FaTE User's Guide module on "Operation
of TRIM.FaTE in Steady State Mode" has been updated.
March 15, 2006
- Additional TRIM example applications for training
purposes have been posted. These applications involve multiple
chemicals and are posted on the TRIM.Risk
and TRIM.ExpoInhalation
download pages.
December 30, 2005
- The main link to the HEM General page has
been moved from the FERA home page to the Risk – Air
Toxics page.
The address for the HEM page is unchanged (http://www.epa.gov/ttn/fera/human_hem.html),
and it is still also accessible from the HEM
Download page.
- TRIM.Risk is now available, with information provided on the updated
TRIM. Risk page, and the model and associated
files provided on the new TRIM.Risk Download page. This
new release is accompanied by changes to all of the TRIM related FERA
pages. These changes include a new TRIM installation program on the
TRIM Installation page to
facilitate installing TRIM programs, as well as the inclusion of several
example applications
for training purposes.
- APEX 4.0 and the APEX 4.0 user’s guide are now
available.
- An updated version of the TRIM.FaTE Public Reference Library that
includes dioxins and an updated version of the TRIM.FaTE model are now
available.
August 26, 2005
- The document "Evaluation of TRIM.FaTE. Volume II: Model Performance Focusing on Mercury Test Case" is now available.
August 3, 2005
- An updated version of HAPEM (HAPEM5) has bee placed on the HAPEM download page. Documentation for HAPEM5 has been placed on the HAPEM page.
June 6, 2005
- The document "Evaluation of TRIM.FaTE. Volume III: Model Comparison Focusing on Dioxin Test Case" is now available.
June 2, 2005
- An updated version of TRIM.FaTE has been placed on
the TRIM.FaTE Download page.
This version corrects a bug regarding MySQL usage.
- Volume III of the TRIM.FaTE Evaluation Report
(Model comparison Focusing on Dioxin Test Case) has been posted on the TRIM.FaTE
page.
- An updated version (v1.0.1g) of the HEM-3 model and updated toxicity files have been posted on the HEM download page. An updated HEM-3 user's guide is also available on the HEM page. Additionally, meteorological files have been posted for 7 additional cities on the Met Data page.