PMID- 24817159
OWN - NLM
STAT- MEDLINE
DCOM- 20151109
LR  - 20140808
IS  - 1475-3162 (Electronic)
IS  - 0003-4878 (Linking)
VI  - 58
IP  - 7
DP  - 2014 Aug
TI  - Metrological assessment of a portable analyzer for monitoring the particle size 
      distribution of ultrafine particles.
PG  - 860-76
LID - 10.1093/annhyg/meu025 [doi]
AB  - Adverse health effects caused by worker exposure to ultrafine particles have been 
      detected in recent years. The scientific community focuses on the assessment of 
      ultrafine aerosols in different microenvironments in order to determine the 
      related worker exposure/dose levels. To this end, particle size distribution 
      measurements have to be taken along with total particle number concentrations. 
      The latter are obtainable through hand-held monitors. A portable particle size 
      distribution analyzer (Nanoscan SMPS 3910, TSI Inc.) was recently commercialized, 
      but so far no metrological assessment has been performed to characterize its 
      performance with respect to well-established laboratory-based instruments such as 
      the scanning mobility particle sizer (SMPS) spectrometer. The present paper 
      compares the aerosol monitoring capability of the Nanoscan SMPS to the laboratory 
      SMPS in order to evaluate whether the Nanoscan SMPS is suitable for field 
      experiments designed to characterize particle exposure in different 
      microenvironments. Tests were performed both in a Marple calm air chamber, where 
      fresh diesel particulate matter and atomized dioctyl phthalate particles were 
      monitored, and in microenvironments, where outdoor, urban, indoor aged, and 
      indoor fresh aerosols were measured. Results show that the Nanoscan SMPS is able 
      to properly measure the particle size distribution for each type of aerosol 
      investigated, but it overestimates the total particle number concentration in the 
      case of fresh aerosols. In particular, the test performed in the Marple chamber 
      showed total concentrations up to twice those measured by the laboratory 
      SMPS-likely because of the inability of the Nanoscan SMPS unipolar charger to 
      properly charge aerosols made up of aggregated particles. Based on these 
      findings, when field test exposure studies are conducted, the Nanoscan SMPS 
      should be used in tandem with a condensation particle counter in order to verify 
      and correct the particle size distribution data.
CI  - Published by Oxford University Press on behalf of the British Occupational 
      Hygiene Society 2014.
FAU - Stabile, Luca
AU  - Stabile L
AD  - 1.Department of Civil and Mechanical Engineering, University of Cassino and 
      Southern Lazio, via Di Biasio 43, 03043 Cassino (FR), Italy.
FAU - Cauda, Emanuele
AU  - Cauda E
AD  - 2.U.S. Department of Health and Human Services, Public Health Service, Centers 
      for Disease Control and Prevention, National Institute for Occupational Safety 
      and Health, Office of Mine Safety and Health Research, 626 Cochrans Mill Road, 
      Pittsburgh, PA 15236, USA ecauda@cdc.gov.
FAU - Marini, Sara
AU  - Marini S
AD  - 1.Department of Civil and Mechanical Engineering, University of Cassino and 
      Southern Lazio, via Di Biasio 43, 03043 Cassino (FR), Italy.
FAU - Buonanno, Giorgio
AU  - Buonanno G
AD  - 1.Department of Civil and Mechanical Engineering, University of Cassino and 
      Southern Lazio, via Di Biasio 43, 03043 Cassino (FR), Italy 3.International 
      Laboratory for Air Quality and Health, Institute of Health and Biomedical 
      Innovation, Queensland University of Technology, GPO Box 2434, Brisbane, QLD 
      4001, Australia.
LA  - eng
PT  - Comparative Study
PT  - Journal Article
PT  - Research Support, Non-U.S. Gov't
DEP - 20140510
PL  - England
TA  - Ann Occup Hyg
JT  - The Annals of occupational hygiene
JID - 0203526
RN  - 0 (Aerosols)
RN  - 0 (Air Pollutants)
RN  - 0 (Air Pollutants, Occupational)
RN  - 0 (Particulate Matter)
SB  - IM
MH  - Aerosols/adverse effects/analysis
MH  - Air Pollutants/analysis
MH  - Air Pollutants, Occupational/analysis
MH  - Environmental Monitoring/*instrumentation/methods
MH  - Humans
MH  - Inhalation Exposure/analysis
MH  - Particle Size
MH  - Particulate Matter/adverse effects/*analysis
MH  - Spectrum Analysis/*instrumentation
OTO - NOTNLM
OT  - Nanoscan SMPS
OT  - diesel particulate matter
OT  - dioctyl phthalate particles
OT  - laboratory SMPS
OT  - metrological assessment
OT  - occupational aerosol
OT  - particle size distribution
OT  - portable analyzer
OT  - total particle number concentration
OT  - ultrafine particles
EDAT- 2014/05/13 06:00
MHDA- 2015/11/10 06:00
CRDT- 2014/05/13 06:00
PHST- 2014/05/13 06:00 [entrez]
PHST- 2014/05/13 06:00 [pubmed]
PHST- 2015/11/10 06:00 [medline]
AID - meu025 [pii]
AID - 10.1093/annhyg/meu025 [doi]
PST - ppublish
SO  - Ann Occup Hyg. 2014 Aug;58(7):860-76. doi: 10.1093/annhyg/meu025. Epub 2014 May 
      10.