What's New

NERL News

Please visit the National Exposure Research Laboratory recent additions page to view more new items.

April 10, 2007

A page for business opportunities has been added to the site.

January 5, 2007

A page was added to describe work on green turtle disease on the ilsand of Culebra in Puerto Rico.

July 17, 2006

An applet has been added to the OnSite on-line calculators that performs an automated uncertainty analysis for the Johnson-Ettinger Vapor Intrusion model.

June 24, 2006

Maps showing gasoline requirements added to the leaking underground storage tank research page.

January 31, 2006

Seminar listings have been added for public seminars held at the Division. Please check topics and instructions for checking in at the guard's desk.
The page describing leaking underground storage tank research has been updated with links to projects throughout ORD.

October 11, 2005

EPA reports have been added to the web site that describe fiscal year 2004 deliverables (called "Annual Performance Measures" (APMs)). These cover a variety of topics including: pesticides, vapor intrusion, fecal indicator bacteria. These and prior years' reports are available for download from the downloadable publications page.

September 30, 2005

Unit conversions for indoor air concentrations have been added. These address the differences between concentrations given on a mass basis and those given as parts per million or parts per billion.

May 22, 2005

Estimates of chemical properties for petroleum hydrocarbons and oxygenated additives have been developed using the SPARC Performs Automated Reasoning in Chemistry (SPARC) calculator. These results were used in evaluating the potential environmental impacts from gasoline in the U.S. This data set can be searched for chemicals of interest at temperatures relevant for shallow ground water (5 ^oC to 25 ^oC).

March 20, 2005

The diffusion coefficient estimator has been split into two parts. The first contains predefined input data for petroleum hydrocarbons and oxygenated additives. The second allows input of all parameters and can serve a wider range of chemicals.

November 30, 2004

New research pages have been added that describe work on the SuperMUSE supercomputer, leaking underground storage tanks (LUST), the ERD gasoline composition study, and intrusion of contaminated vapors (vapor intrusion) into buildings.

An organizational chart of the division has been added to the web site.

November 15, 2004

EPA reports have been added to the web site that describe fiscal year 2004 deliverables (called "Annual Performance Measures" (APMs)). These cover a variety of topics, including oil spills, leaking underground storage tanks, mercury, . These and prior years' reports are available for download from the downloadable publications page.

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