Effect of outside air ventilation rate on VOC concentrations and emissions in a call center

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A study of the relationship between outside air ventilation rate and concentrations of VOCs generated indoors was conducted in a call center. Ventilation rates were manipulated in the building's four air handling units (AHUs). Concentrations of VOCs in the AHU returns were measured on 7 days during a 13-week period. Indoor minus outdoor concentrations and emission factors were calculated. The emission factor data was subjected to principal component analysis to identify groups of co-varying compounds based on source type. One vector represented emissions of solvents from cleaning products. Another vector identified occupant sources. Direct relationships between ventilation rate and concentrations ... continued below

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7 pages

Creation Information

Hodgson, A.T.; Faulkner, D.; Sullivan, D.P.; DiBartolomeo, D.L.; Russell, M.L. & Fisk, W.J. January 1, 2002.

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Description

A study of the relationship between outside air ventilation rate and concentrations of VOCs generated indoors was conducted in a call center. Ventilation rates were manipulated in the building's four air handling units (AHUs). Concentrations of VOCs in the AHU returns were measured on 7 days during a 13-week period. Indoor minus outdoor concentrations and emission factors were calculated. The emission factor data was subjected to principal component analysis to identify groups of co-varying compounds based on source type. One vector represented emissions of solvents from cleaning products. Another vector identified occupant sources. Direct relationships between ventilation rate and concentrations were not observed for most of the abundant VOCs. This result emphasizes the importance of source control measures for limiting VOC concentrations in buildings.

Physical Description

7 pages

Notes

OSTI as DE00792964

Source

  • Indoor Air 2002 - The 9th International Conference on Indoor Air Quality and Climate, Monterey, CA (US), 06/20/2002--07/05/2002

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  • Report No.: LBNL--49535
  • Grant Number: AC03-76SF00098
  • Office of Scientific & Technical Information Report Number: 792964
  • Archival Resource Key: ark:/67531/metadc737438

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  • January 1, 2002

Added to The UNT Digital Library

  • Oct. 19, 2015, 7:39 p.m.

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  • April 4, 2016, 4:06 p.m.

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Hodgson, A.T.; Faulkner, D.; Sullivan, D.P.; DiBartolomeo, D.L.; Russell, M.L. & Fisk, W.J. Effect of outside air ventilation rate on VOC concentrations and emissions in a call center, article, January 1, 2002; Berkeley, California. (digital.library.unt.edu/ark:/67531/metadc737438/: accessed August 23, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.