A Pilot Indoor-Outdoor Study of Organic Particulate Matter and Particulate Mutagenicity

Lioy, Paul J.; Avdenko, Michael; Harkov, Ronald; Atherholt, Thomas B.; Daisey, Joan M.

doi:10.1080/00022470.1985.10465943

Cited by 9 publications

(4 citation statements)

References 7 publications

(8 reference statements)

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“…The indoor/outdoor concentration ratio (I /0) is a parameter that has been widely used for studying the indoor and outdoor relationships, the sources, and the exposure patterns of a pollutant (Lioy et al, 1985b;Santanam et al, 1990;Hisham and Grosjean, 1991). Based upon the fact that ozone has no significant indoor sources, the indoor ozone concentration can be simply obtained by multiplying the outdoor ozone concentration by an 1/0 ratio; the I /O ratio of ozone has received particular attention.…”

Section: Indoor/outdoor Ratiosmentioning

confidence: 99%

Ozone in Residential Air: Concentrations, I/O Ratios, Indoor Chemistry, and Exposures

Zhang

Lioy

1994

Indoor Air

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Ozone concentrations were measured in indoor and outdoor residential air during the summer of 1992. Six homes located in a New Jersey suburban area were chosen for analysis, and each home was monitored for 6 days under different ventilation and indoor combustion conditions. The 5‐hour average ozone concentration outdoors over the monitoring period was 95 ± 36 ppbv. One third of the days exceeded the National Ambient Air Quality Standard (NAAQS), one‐hour maximum concentration of 120 ppb. The mean indoor to outdoor (I/O) ratios of ozone concentration ranged from 0.22 ± 0.09 to 0.62 ± 0.11, depending upon ventilation rate and indoor gas combustion. The presence of indoor gas combustion can significantly decrease the I/O ratio. Because of the great amount of time that people spend indoors, the indoor residential exposures were estimated to account for 57% of the total residential exposures. One type of the possible gas‐phase reactions for indoor ozone, the reaction of ozone with a volatile organic compound containing unsaturated carbon‐carbon bonds, is discussed with some supporting evidence provided in the study.

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Section: Indoor/outdoor Ratiosmentioning

confidence: 99%

Ozone in Residential Air: Concentrations, I/O Ratios, Indoor Chemistry, and Exposures

Zhang

Lioy

1994

Indoor Air

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“…Certain cell culture methods have been applied to test particulates for mutagenicity of the indoor air (47)(48). Rats have also been exposed to indoor pollutants for risk assesment providing information about hepatoxicity with organic solvents (49).…”

Section: Methods To Evaluate and Develop Healthy Building Materialsmentioning

confidence: 99%

Proposal of methods for developing healthy building materials: Laboratory and field experiments

Wolkoff¹

1990

Environmental Technology

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The state-of-the-art of testing building materials for the emission of volatile organic compounds are reviewed and a set of methods to develop healthy building materials arc presented. Results of this laboratory showed that potential polluting building materials may be identified by comparison of headspace analyses of building materials with sampling of the indoor air. Qualitative GC/MS headspace analysis of building materials revealed that some materials acted as a sink for VOC emitting elsewhere in a building. The analysis also provided information of undesirable organic compounds emitting from materials. The combination of headspace analysis and sniffing of the eluting VOC provided a tool for substitution of malodorants, and development of an odourless building sealant.

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“…Methods for assessing personal exposure to indoor air pollutants are not as well developed as those for ambient air monitoring (73,14). Lioy et al (15) and Lewtas et al (16) have reported the use of medium-volume samplers (0.70 and 0.21 m3/min, respectively) and relatively large sampling times (8 and 24 h, respectively) to collect sufficient indoor air particulate matter to allow their mutagenicity to be determined. A study by Mumford et al (7 7) employed high-(1.1 m3/min) and medium-volume (0.11 m3/min) samplers in relatively high particulate laden indoor environments for sampling periods of 6-40 min to collect sufficient particulate matter for mutagenicity testing.…”

Section: Introductionmentioning

confidence: 99%

Mutagenicity of indoor air containing environmental tobacco smoke: evaluation of a portable PM-10 impactor sampler

Georghiou¹,

Blagden²,

Snow³

et al. 1991

Environ. Sci. Technol.

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An indoor air sampling impactor (IASI) was used to sample inhalable suspended particulate matter in indoor air. The unit, which is convenient to use, light weight and portable, was compared in a controlled indoor setting with a Sierra-Andersen dichotomous sampler (DICHOT) equipped with a PM-10 inlet. The two samplers were used for coreplicate sampling in the same test room both in the presence of and in the absence of environmental tobacco smoke (ETS). Gravimetric analyses and mutagenicity testing of solvent extracts of the particulate matter, using the microsuspension modification of the Salmonella typhimurium mutagenicity test, were used to compare the two samplers. In a limited field trial of the IASI sampler in various residential indoor environments containing low and high ETS levels, PM-10 concentrations ranged from 20 to 3000 gg/m3. Mutagenic responses in the presence of the S9 metabolizing system ranged from 13 to 13000 revertants/m3.

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A Pilot Indoor-Outdoor Study of Organic Particulate Matter and Particulate Mutagenicity

Cited by 9 publications

References 7 publications

Ozone in Residential Air: Concentrations, I/O Ratios, Indoor Chemistry, and Exposures

Ozone in Residential Air: Concentrations, I/O Ratios, Indoor Chemistry, and Exposures

Proposal of methods for developing healthy building materials: Laboratory and field experiments

Mutagenicity of indoor air containing environmental tobacco smoke: evaluation of a portable PM-10 impactor sampler

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