Response of consumer and research grade indoor air quality monitors to residential sources of fine particles
Abstract
The ability to inexpensively monitor PM2.5 to identify sources and enable controls would advance residential indoor air quality (IAQ) management. Consumer IAQ monitors incorporating low-cost optical particle sensors and connections with smart home platforms could provide this service if they reliably detect PM2.5 in homes. In this study, particles from typical residential sources were generated in a 120 m3 laboratory and time-concentration profiles were measured with 7 consumer monitors (2-3 units each), 2 research monitors (Thermo pDR-1500, MetOne BT-645), a Grimm Mini Wide-Range Aerosol Spectrometer (GRM), and a Tapered Element Oscillating Microbalance with Filter Dynamic Measurement System (FDMS), a Federal Equivalent Method for PM2.5. Sources included recreational combustion (candles, cigarettes, incense), cooking activities, an unfiltered ultrasonic humidifier, and dust. FDMS measurements, filter samples, and known densities were used to adjust the GRM to obtain time-resolved mass concentrations. Data from the research monitors and 4 of the consumer monitors—AirBeam, AirVisual, Foobot, Purple Air—were time correlated and within a factor of 2 of the estimated mass concentrations for most sources. In conclusion, all 7 of the consumer and both research monitors substantially under-reported or missed events for which the emitted mass was comprised of particles smaller than 0.3 μm diameter.
- Publication Date:
- Research Org.:
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC)
- OSTI Identifier:
- 1515774
- Alternate Identifier(s):
- OSTI ID: 1437065
- Grant/Contract Number:
- AC02-05CH11231; DOE Contract DE‐AC02‐05CH11231
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Indoor Air
- Additional Journal Information:
- Journal Volume: 28; Journal Issue: 4; Journal ID: ISSN 0905-6947
- Publisher:
- Wiley
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 47 OTHER INSTRUMENTATION
Citation Formats
Singer, B. C., and Delp, W. W. Response of consumer and research grade indoor air quality monitors to residential sources of fine particles. United States: N. p., 2018.
Web. doi:10.1111/ina.12463.
Singer, B. C., & Delp, W. W. Response of consumer and research grade indoor air quality monitors to residential sources of fine particles. United States. https://doi.org/10.1111/ina.12463
Singer, B. C., and Delp, W. W. Mon .
"Response of consumer and research grade indoor air quality monitors to residential sources of fine particles". United States. https://doi.org/10.1111/ina.12463. https://www.osti.gov/servlets/purl/1515774.
@article{osti_1515774,
title = {Response of consumer and research grade indoor air quality monitors to residential sources of fine particles},
author = {Singer, B. C. and Delp, W. W.},
abstractNote = {The ability to inexpensively monitor PM2.5 to identify sources and enable controls would advance residential indoor air quality (IAQ) management. Consumer IAQ monitors incorporating low-cost optical particle sensors and connections with smart home platforms could provide this service if they reliably detect PM2.5 in homes. In this study, particles from typical residential sources were generated in a 120 m3 laboratory and time-concentration profiles were measured with 7 consumer monitors (2-3 units each), 2 research monitors (Thermo pDR-1500, MetOne BT-645), a Grimm Mini Wide-Range Aerosol Spectrometer (GRM), and a Tapered Element Oscillating Microbalance with Filter Dynamic Measurement System (FDMS), a Federal Equivalent Method for PM2.5. Sources included recreational combustion (candles, cigarettes, incense), cooking activities, an unfiltered ultrasonic humidifier, and dust. FDMS measurements, filter samples, and known densities were used to adjust the GRM to obtain time-resolved mass concentrations. Data from the research monitors and 4 of the consumer monitors—AirBeam, AirVisual, Foobot, Purple Air—were time correlated and within a factor of 2 of the estimated mass concentrations for most sources. In conclusion, all 7 of the consumer and both research monitors substantially under-reported or missed events for which the emitted mass was comprised of particles smaller than 0.3 μm diameter.},
doi = {10.1111/ina.12463},
journal = {Indoor Air},
number = 4,
volume = 28,
place = {United States},
year = {Mon May 14 00:00:00 EDT 2018},
month = {Mon May 14 00:00:00 EDT 2018}
}
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