The healthy building intervention study: Objectives, methods and results of selected environmental measurements

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Description

To test proposed methods for reducing SBS symptoms and to learn about the causes of these symptoms, a double-blind controlled intervention study was designed and implemented. This study utilized two different interventions designed to reduce occupants` exposures to airborne particles: (1) high efficiency filters in the building`s HVAC systems; and (2) thorough cleaning of carpeted floors and fabric-covered chairs with an unusually powerful vacuum cleaner. The study population was the workers on the second and fourth floors of a large office building with mechanical ventilation, air conditioning, and sealed windows. Interventions were implemented on one floor while the occupants on ... continued below

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49 p.

Creation Information

Fisk, W.J.; Faulkner, D. & Sullivan, D. February 17, 1998.

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Description

To test proposed methods for reducing SBS symptoms and to learn about the causes of these symptoms, a double-blind controlled intervention study was designed and implemented. This study utilized two different interventions designed to reduce occupants` exposures to airborne particles: (1) high efficiency filters in the building`s HVAC systems; and (2) thorough cleaning of carpeted floors and fabric-covered chairs with an unusually powerful vacuum cleaner. The study population was the workers on the second and fourth floors of a large office building with mechanical ventilation, air conditioning, and sealed windows. Interventions were implemented on one floor while the occupants on the other floor served as a control group. For the enhanced-filtration intervention, a multiple crossover design was used (a crossover is a repeat of the experiment with the former experimental group as the control group and vice versa). Demographic and health symptom data were collected via an initial questionnaire on the first study week and health symptom data were obtained each week, for eight additional weeks, via weekly questionnaires. A large number of indoor environmental parameters were measured during the study including air temperatures and humidities, carbon dioxide concentrations, particle concentrations, concentrations of several airborne bioaerosols, and concentrations of several microbiologic compounds within the dust sampled from floors and chairs. This report describes the study methods and summarizes the results of selected environmental measurements.

Physical Description

49 p.

Notes

OSTI as DE98056104

Source

  • Other Information: PBD: 17 Feb 1998

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  • Other: DE98056104
  • Report No.: LBNL--41546
  • Grant Number: AC03-76SF00098
  • DOI: 10.2172/674933 | External Link
  • Office of Scientific & Technical Information Report Number: 674933
  • Archival Resource Key: ark:/67531/metadc701929

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • February 17, 1998

Added to The UNT Digital Library

  • Sept. 12, 2015, 6:31 a.m.

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  • Aug. 4, 2016, 6:59 p.m.

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Fisk, W.J.; Faulkner, D. & Sullivan, D. The healthy building intervention study: Objectives, methods and results of selected environmental measurements, report, February 17, 1998; United States. (digital.library.unt.edu/ark:/67531/metadc701929/: accessed July 19, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.