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You searched on: Author: andrew persily

Displaying records 91 to 100 of 128 records.
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91. Building Retrofits for Increased Protection Against Airborne Chemical and Biological Releases
Series: NIST Interagency/Internal Report (NISTIR)
Report Number: 7379
Published: 3/1/2007
Authors: Andrew Keith Persily, Robert E Chapman, Steven J Emmerich, William S Dols, Heather Davis, Priya D Lavappa, Amy S. Rushing
Abstract: Due to concerns about potential airborne chemical and biological (chembio) releases in or near buildings, building owners and managers and other decision makers are considering retrofitting buildings to provide some degree of protection against such ...

92. Airtightness of Commercial Buildings in the United States
Published: 9/21/2005
Authors: Steven J Emmerich, Andrew Keith Persily
Abstract: In 1998, Persily published a review of commercial and institutional building airtightness data that found significant levels of air leakage and debunked the myth of the airtight commercial building. This paper updates the earlier analysis for the U ...

93. Ventilation Rates in U.S. Office BuildingsFrom the EPA Base Study
Published: 9/1/2005
Authors: Andrew Keith Persily, J Gorfain, Greg Brunner
Abstract: The EPA BASE study involved indoor environmental measurements in 100 U.S. office buildings. This paper presents an analysis of the measured outdoor air ventilation rates, including comparisons with the requirements in ASHRAE Standard 62. The outdoor ...

94. What We Think We Know About Ventilation
Published: 9/1/2005
Author: Andrew Keith Persily
Abstract: The amount of outdoor air provided to occupied spaces is one of the most important determinants of indoor air quality, but many critical questions and misunderstandings still exist regarding outdoor air ventilation. First, given the importance of ven ...

95. Ventilation Design and Performance in U.S. Office Buildings
Published: 4/30/2005
Authors: Andrew Keith Persily, J Gorfain
Abstract: Building ventilation is a primary determinant of indoor air quality (IAQ) as it impacts contaminant concentrations and occupant comfort in terms of the perception of odor and irritation. However, relatively few measurements of office building ventila ...

96. Analysis of Ventilation Data from the U.S. Environmental Protection Agency Building Assessment Survey and Evaluation (BASE) Study. (NIST IR 7145) [SUPERSEDED BY NIST IR 7145-R, Published 3/10/2009]
Series: NIST Interagency/Internal Report (NISTIR)
Report Number: 7145
Published: 12/1/2004
Authors: Andrew Keith Persily, J Gorfain
Abstract: The U.S. Environmental Protection Agency (EPA) Building Assessment Survey and Evaluation (BASE) study included a range of measurements in 100 randomly selected U.S. office buildings for the purpose of characterizing the existing building stock with r ...

97. Impacts of Ventilation, Pressurization and Envelope Airtightness on Building Protection Against Airborne CBR Incidents
Published: 9/1/2004
Author: Andrew Keith Persily
Abstract: In receent years many individuals and organizations have advocated the use of several ventilation-based strategies to protect building occupants from accidental and intentional releases of airborne chemical, biological and radiological (CBR) agents. ...

98. A Suite of Homes Representing the U.S. Housing Stock
Published: 12/1/2003
Authors: Andrew Keith Persily, Dennis D Leber
Abstract: In order to facilitate nationwide analysis of ventilation and indoor air quality issues in residential buildings, a set of homes has been defined to represent the housing stock of the United States. This so-called suite of homes is based on two res ...

99. Simulations of Indoor Air Quality and Ventilation Impacts of Demand Controlled Ventilation in Commercial and Institutional Buildings
Series: NIST Interagency/Internal Report (NISTIR)
Published: 12/1/2003
Authors: Andrew Keith Persily, A L Musser, Steven J Emmerich, Michael A Taylor
Abstract: Carbon-dioxide (CO2) based demand controlled ventilation (DCV) offers the potential for more energy efficient building ventilation compared with constant ventilation rates based on design occupancy levels. A number of questions related to CO2-based ...

100. Transient Analysis of Volatile Organic Compound Concentrations for Estimating Emission Rates
Published: 12/1/2003
Authors: Andrew Keith Persily, Cynthia H. Reed, Steven J Nabinger
Abstract: While VOC emissions rates have been obtained for building materials and furnishings in chambers, field measurements are more difficult due to the existence of multiple and time-varying sources, variations in ventilation rates, impacts of adsorption a ...

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