Skip directly to search Skip directly to A to Z list Skip directly to page options Skip directly to site content

NIOSHTIC-2 Publications Search

Search Results

Indoor particulate reactive oxygen species concentrations.

Authors
Khurshid-SS; Siegel-JA; Kinney-KA
Source
Environ Res 2014 Jul; 132:46-53
NIOSHTIC No.
20044903
Abstract
Despite the fact that precursors to reactive oxygen species (ROS) are prevalent indoors, the concentration of ROS inside buildings is unknown. ROS on PM2.5 was measured inside and outside twelve residential buildings and eleven institutional and retail buildings. The mean (+/- s.d.) concentration of ROS on PM2.5 inside homes (1.37 +/- 1.2 nmoles/m(3)) was not significantly different from the outdoor concentration (1.41 +/- 1.0 nmoles/m(3)). Similarly, the indoor and outdoor concentrations of ROS on PM2.5 at institutional buildings (1.16 +/- 0.38 nmoles/m(3) indoors and 1.68 +/- 1.3 nmoles/m(3) outdoors) and retail stores (1.09 +/- 0.93 nmoles/m(3) indoors and 1.12 +/- 1.1 nmoles/m(3) outdoors) were not significantly different and were comparable to those in residential buildings. The indoor concentration of particulate ROS cannot be predicted based on the measurement of other common indoor pollutants, indicating that it is important to separately assess the concentration of particulate ROS in air quality studies. Daytime indoor occupational and residential exposure to particulate ROS dominates daytime outdoor exposure to particulate ROS. These findings highlight the need for further study of ROS in indoor microenvironments.
Keywords
Indoor-air-pollution; Indoor-environmental-quality; Air-quality; Hydroperoxides; Environmental-exposure; Organic-compounds; Particulates; Outdoors; Pollutants; Pollution; Author Keywords: Air quality; Commercial; Ozone; PM(2.5); Residential
Contact
Shahana S. Khurshid, 301 E. Dean Keeton Street, Stop C1786, Austin, TX 7871
CODEN
ENVRAL
CAS No.
7782-44-7
Publication Date
20140701
Document Type
Journal Article
Email Address
shahana@utexas.edu
Funding Type
Grant
Fiscal Year
2014
NTIS Accession No.
NTIS Price
Identifying No.
Grant-Number-T42-OH-008421; M082014
ISSN
0013-9351
Source Name
Environmental Research
State
TX
Performing Organization
University of Texas, Health Science Center, Houston, Texas
TOP