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Measuring Particle Pollution ITEP Air Quality Training Lower Kalskag 2014. Mansel Nelson & Bob Morgan ITEP & ADEC. What Are We Measuring And Why?. Particles suspended in air that can have a significant effect on a person’s health and welfare.

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measuring particle pollution itep air quality training lower kalskag 2014

Measuring Particle PollutionITEP Air Quality TrainingLower Kalskag 2014

Mansel Nelson & Bob Morgan

ITEP & ADEC

what are we measuring and why
What Are We Measuring And Why?
  • Particles suspended in air that can have a significant effect on a person’s health and welfare.
  • In terms of protecting human health, we are measuring particles of a size range that penetrate deep into lungs.
why size matters pm 10 pm 2 5

PM10

(10 µm)

PM2.5

(2.5 µm)

Why Size Matters PM10/ PM2.5

Hair cross section (60 µm)

Human Hair

(60 µmdiameter)

things that all particulate samplers have in common
Things That All Particulate Samplers Have In Common
  • Size-selective sampling inlet (which separates out large dust particles from small particles that penetrate deep into lungs)
  • Filter or electronic sensing device
  • Electronics to maintain precision flow control
  • Vacuum source (vacuum motor or vacuum pump)
types of measurement methods
Types Of Measurement Methods
  • Filter Based Methods
  • Automated Electronics-Based Methods
differences in method characteristics
Differences In Method Characteristics
  • Filter-Based Measurements
    • Requires laboratory analysis
    • Typically provides 24-hour avg value
    • Results are accurate and precise
    • Used for EPA-type measurements
  • Electronics-Based Measurements
    • Provides real-time results or near-real-time results
    • More portable (most of the time)
    • Good indicator of pollutant levels
    • Not as accurate
types of filter based samplers
Types Of Filter-based Samplers
  • PM10 Hi-Volume Sampler
  • PM10 Low-Volume Sampler
examples of automated electronic monitors
Examples Of Automated Electronic Monitors

Dust Trak™

Laser - Light Scattering Sensor

Beta Attenuation Monitor (BAM)

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