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Author Hodgson, A. T. ♦ Daisey, J. M. ♦ Grot, R. A.
Source United States Department of Energy Office of Scientific and Technical Information
Content type Text
Language English
Subject Keyword ENVIRONMENTAL SCIENCES ♦ OFFICE BUILDINGS ♦ AIR POLLUTION MONITORING ♦ AUTOMOBILES ♦ CHEMICAL COMPOSITION ♦ HYDROCARBONS ♦ INDOOR AIR POLLUTION ♦ ORGANIC COMPOUNDS ♦ POLLUTANTS ♦ POLLUTION SOURCES ♦ AIR POLLUTION ♦ BUILDINGS ♦ MONITORING ♦ POLLUTION ♦ VEHICLES ♦ Environment, Atmospheric- Chemicals Monitoring & Transport- (1990-)
Abstract This study was conducted at a newly constructed federal office building in Portland, Oregon. The primary objectives were to identify the major sources of volatile organic compounds (VOC) in the building and to measure both long-term (one year) and short-term (several day) variations in concentrations and source strengths. Samples for VOC were collected on four occasions over a period of 14 months starting with the first month of occupancy. During the final sampling period, samples were collected over four days (Friday-Monday). The samples were analyzed for individual compounds and for total VOC (TVOC). The results were expressed as specific source strengths, as well as concentrations, to facilitate comparisons of measurements made under different ventilation conditions. The primary source of VOC in the building was identified as liquid-process photocopiers and plotters which emitted a characteristic mixture of C{sub 10}-C{sub 11} isoparaffinic hydrocarbons. The specific source strength of TVOC, which was dominated by the emissions from these office machines, remained relatively constant over the course of the study. Motor vehicles in the below-ground parking garage were implicated as another major source of hydrocarbons in the building. Over the final four-day sampling period, the specific source strength of TVOC varied by about a factor of five, predominantly reflecting occupant use of office machines.
ISSN 10473289
Educational Use Research
Learning Resource Type Article
Publisher Date 1991-11-01
Publisher Place United States
Journal Journal of the Air and Waste Management Association
Volume Number 41
Issue Number 11


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