WO2013063426A3 - Aerosol exposure monitoring - Google Patents

Aerosol exposure monitoring Download PDF

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Publication number
WO2013063426A3
WO2013063426A3 PCT/US2012/062167 US2012062167W WO2013063426A3 WO 2013063426 A3 WO2013063426 A3 WO 2013063426A3 US 2012062167 W US2012062167 W US 2012062167W WO 2013063426 A3 WO2013063426 A3 WO 2013063426A3
Authority
WO
WIPO (PCT)
Prior art keywords
aerosol exposure
aerosol
impactor
collection filter
exposure monitoring
Prior art date
Application number
PCT/US2012/062167
Other languages
French (fr)
Other versions
WO2013063426A2 (en
Inventor
Charles E. RODES
J. Randall Newsome
Original Assignee
Research Triangle Institute, International
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Research Triangle Institute, International filed Critical Research Triangle Institute, International
Priority to EP12791892.8A priority Critical patent/EP2771664B1/en
Priority to US14/354,426 priority patent/US9304117B2/en
Priority to ES12791892T priority patent/ES2848204T3/en
Publication of WO2013063426A2 publication Critical patent/WO2013063426A2/en
Publication of WO2013063426A3 publication Critical patent/WO2013063426A3/en
Priority to US15/060,573 priority patent/US9709541B2/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004—Gaseous mixtures, e.g. polluted air
    • G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/02—Devices for withdrawing samples
    • G01N1/22—Devices for withdrawing samples in the gaseous state
    • G01N1/2273—Atmospheric sampling
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
    • G01N15/02—Investigating particle size or size distribution
    • G01N15/0255—Investigating particle size or size distribution with mechanical, e.g. inertial, classification, and investigation of sorted collections
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/47—Scattering, i.e. diffuse reflection
    • G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
    • G01N21/51—Scattering, i.e. diffuse reflection within a body or fluid inside a container, e.g. in an ampoule
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/47—Scattering, i.e. diffuse reflection
    • G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
    • G01N21/53—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004—Gaseous mixtures, e.g. polluted air
    • G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/0011—Sample conditioning
    • G01N33/0016—Sample conditioning by regulating a physical variable, e.g. pressure, temperature

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Immunology (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Medicinal Chemistry (AREA)
  • Food Science & Technology (AREA)
  • Dispersion Chemistry (AREA)
  • Biomedical Technology (AREA)
  • Molecular Biology (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)

Abstract

A gas processing device such as an aerosol exposure monitor is configured for acquiring chronic data, acute data, or both simultaneously, and may include a pump and a noise dampening device. The noise dampening device may include an elastomeric membrane between an inlet chamber and an outlet chamber. In another aspect, an aerosol exposure monitor may include an impactor, a collection filter, and a nephelometer that includes a sample chamber integrated with an aerosol flow path associated with the impactor and collection filter.
PCT/US2012/062167 2011-10-26 2012-10-26 Aerosol exposure monitoring WO2013063426A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP12791892.8A EP2771664B1 (en) 2011-10-26 2012-10-26 Aerosol exposure monitoring
US14/354,426 US9304117B2 (en) 2011-10-26 2012-10-26 Aerosol exposure monitoring
ES12791892T ES2848204T3 (en) 2011-10-26 2012-10-26 Aerosol exposure monitoring
US15/060,573 US9709541B2 (en) 2011-10-26 2016-03-03 Gas processing device with noise dampening

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201161551660P 2011-10-26 2011-10-26
US61/551,660 2011-10-26

Related Child Applications (2)

Application Number Title Priority Date Filing Date
US14/354,426 A-371-Of-International US9304117B2 (en) 2011-10-26 2012-10-26 Aerosol exposure monitoring
US15/060,573 Division US9709541B2 (en) 2011-10-26 2016-03-03 Gas processing device with noise dampening

Publications (2)

Publication Number Publication Date
WO2013063426A2 WO2013063426A2 (en) 2013-05-02
WO2013063426A3 true WO2013063426A3 (en) 2013-07-11

Family

ID=47258079

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2012/062167 WO2013063426A2 (en) 2011-10-26 2012-10-26 Aerosol exposure monitoring

Country Status (4)

Country Link
US (2) US9304117B2 (en)
EP (1) EP2771664B1 (en)
ES (1) ES2848204T3 (en)
WO (1) WO2013063426A2 (en)

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Also Published As

Publication number Publication date
EP2771664B1 (en) 2020-12-16
US9709541B2 (en) 2017-07-18
EP2771664A2 (en) 2014-09-03
ES2848204T3 (en) 2021-08-05
US20140347663A1 (en) 2014-11-27
US20160258916A1 (en) 2016-09-08
WO2013063426A2 (en) 2013-05-02
US9304117B2 (en) 2016-04-05

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