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β Attenuation Method PM10/2.5 Automated Dichotomous Monitor Model SPM-613D

β Attenuation Method PM10/2.5 Automated Dichotomous Monitor Model SPM-613D. SPM continuous particulate analyzer developed by joint patent with Japan Science and Technology department of government, Kimoto and Tisch Environmental

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β Attenuation Method PM10/2.5 Automated Dichotomous Monitor Model SPM-613D

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  1. β Attenuation MethodPM10/2.5 Automated Dichotomous MonitorModel SPM-613D • SPM continuous particulate analyzer developed by joint patent with Japan Science and Technology department of government, Kimoto and Tisch Environmental • Black Carbon feature originated from work of DRI/EPA and measurement of OC/EC

  2. Features • Ambient PM2.5, or fine fraction is what medical and epidemiological researcher are concerned about for health effects • Ambient PM10, PM2.5 and Optical Black Carbon can be measured simultaneously on continuous basis. PM Coarse is calculated and reported as PM10 - PM2.5 = PMC • Use of virtual impactor enables two measurements of both Fine and Coarse particles simultaneously with a Japan patented system* • Monitor uses proprietary fluorocarbon membrane filter which reduces gas and moisture effect to minimum, and assures high sensitivity • Sample spots on fluorocarbon membrane filter useful for analyses of ion components and metal components after mass and Carbon direct measurement

  3. Structure of SPM-613D

  4. Virtual Impactor PM10 and PM2.5 Simultaneously

  5. Validation and Calibration Device for Particle Size-Cut Testing Particle generator and aerosol mixing chamber to test inlet separators and virtual impactors for size-cut and penetration curves

  6. Cut off curves

  7. Fig. 1 Comparison of Virtual Impactor vs WINS Impactor. (1-hour value) Fig. 2. Comparison of SPM-613D vs EPA FRM sampler. (24-hour average) WINS vs. VI and FRM vs. Continuous

  8. Fig. 3. Comparison of GRIMM, TEOM (at 50 ℃ controlled) vs SPM-612D. (- hour value) Fig. 4. Comparison of EC by DRI method vs OBC by SPM-613D. (1-hour value)

  9. Fig.5. A daily plot of continuous ambient PM measurements

  10. Element analysis

  11. Time series Chemical Compositon

  12. Gas and Particles

  13. N & S

  14. Winter Time Series/Chemical composition

  15. Summer Time series/Chemical compositoin

  16. Sampling time comparisons

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