August 2009

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BFRL and CSTLWork with PNNL to Virtually Evaluate Biosampling Strategies

NIST’s BFRL and CSTL and the Statistics and Sensor Analytics group of the Pacific Northwest National Laboratory (PNNL) collaborated under a project funded by the Department of Homeland Security to develop and demonstrate a method to evaluate biosampling strategies using building simulation. The purpose of the project was to demonstrate the use of software tools to virtually examine a wide range of biological contaminant release and dispersion scenarios and to develop a process for creating and evaluating sampling strategies. The number and locations of samples to collect within a building were determined using statistically based evaluation methods. NIST researchers used the CONTAM building airflow and contaminant transport software to simulate approximately 400 agent release scenarios on a single building. The scenarios varied by contaminant release location (indoor and outdoor) and amount, weather conditions, and building system operating conditions. These simulations produced a set of building contamination patterns that were then analyzed by researchers at PNNL using their Visual Sample Plan software. This project was a first step in demonstrating a powerful new tool that enables the use of virtual experimentation to address a wide variety of release and building operation scenarios which in turn enable pre-event planning and selection of sample designs based on knowledge of factors that affect contaminant dispersion in a building.

CONTACT:
Stuart Dols
301-975-5860

Hunston, Tan, and White Receive Adhesion Society Distinguished Paper Award

For their paper entitled “Technique for Monitoring Environmentally Induced Changes in Polymeric Sealants” Donald Hunston, Kar Tean Tan, and Christopher White received the Adhesion Society Distinguished Paper Award. They were presented this honor at the 32nd Annual Meeting of The Adhesion Society on Feb, 18, 2009, in Savannah, Ga.

CONTACT:
Jonathan Martin
301-975-6717

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