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Environ Res

Title:		An evaluation of employee exposure to volatile organic compounds in three photocopy centers
Author(s):		Stefaniak AB; Breysse PN; Murray MP; Rooney BC; Schaefer J;
Address:		"Division of Environmental Health Engineering, Johns Hopkins University School of Hygiene and Public Health, 615 North Wolfe Street, Baltimore, Maryland, 21205, USA"
Journal Title:		Environ Res
Year:		2000
Volume:		83
Issue:		2
Page Number:		162 - 173
DOI:		10.1006/enrs.2000.4061
ISSN/ISBN:		0013-9351 (Print) 0013-9351 (Linking)
Abstract:		"Personal and area samples from three copy centres were collected in thermal desorption tubes and analyzed using gas chromatography-mass spectrometry. Real-time personal total volatile organic compounds (TVOC) were measured using a data-logging photoionization detector. Fifty-four different VOCs were detected in the area samples. The maximum concentration measured was 1132.0 ppb (toluene, copy center 3, day 1). Thirty-eight VOCs were detected in the personal samples and concentrations ranged from 0.1 ppb (1,1-biphenyl, p-dichlorobenzene, propylbenzene, styrene, and tetrachloroethylene) to 689.6 ppb (toluene). Real-time TVOC measurements indicated daily fluctuations in exposure, ranging from <71 to 21,300 ppb. The time-weighted average exposures for the photocopier operators on days 1 and 2 were 235 and 266 ppb and 6155 and 3683 ppb, in copy centers 2 and 3, respectively. Personal exposure measurements of individual VOCs were below accepted occupational standards and guidelines. For example, the maximum concentration was 0.3% of the permissible exposure limits (toluene, copy center 3). Exposures were highest in copy center 3; this is likely due to the presence of offset printing presses. It is concluded that photocopiers contribute a wide variety of VOCs to the indoor air of photocopy centers; however, exposures are at least 100 times below established standards"
Keywords:		"Air Pollution, Indoor/*analysis *Copying Processes Humans *Occupational Exposure Organic Chemicals/*analysis Ventilation Volatilization;"
Notes:		"MedlineStefaniak, A B Breysse, P N Murray, M P Rooney, B C Schaefer, J eng H400-858-2066/PHS HHS/ Research Support, Non-U.S. Gov't Research Support, U.S. Gov't, Non-P.H.S. Research Support, U.S. Gov't, P.H.S. Netherlands 2000/06/17 Environ Res. 2000 Jun; 83(2):162-73. doi: 10.1006/enrs.2000.4061"